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Overview
Comment:Refactor the control-artifact parser.
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Timelines: family | ancestors | descendants | both | experimental
Files: files | file ages | folders
SHA1: da9fcdc95a12f22394078bc12e82d422c5ae1650
User & Date: drh 2010-10-15 20:37:16
Context
2010-10-16
16:32
Bring over the latest bug fixes from trunk. check-in: b2175857 user: drh tags: experimental
2010-10-15
20:37
Refactor the control-artifact parser. check-in: da9fcdc9 user: drh tags: experimental
17:13
Replace all malloc() calls with fossil_malloc(). The fossil_malloc() routine panics rather than return a NULL pointer. check-in: 8f41b2fa user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/branch.c. 

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  char *zUuid;           /* Artifact ID of origin */
  Stmt q;                /* Generic query */
  const char *zBranch;   /* Name of the new branch */
  char *zDate;           /* Date that branch was created */
  char *zComment;        /* Check-in comment for the new branch */
  const char *zColor;    /* Color of the new branch */
  Blob branch;           /* manifest for the new branch */
  Blob parent;           /* root check-in manifest */
  Manifest mParent;      /* Parsed parent manifest */
  Blob mcksum;           /* Self-checksum on the manifest */
  const char *zDateOvrd; /* Override date string */
  const char *zUserOvrd; /* Override user name */
 
  noSign = find_option("nosign","",0)!=0;
  zColor = find_option("bgcolor","c",1);
  zDateOvrd = find_option("date-override",0,1);
................................................................................
  zComment = mprintf("Create new branch named \"%h\"", zBranch);
  blob_appendf(&branch, "C %F\n", zComment);
  zDate = date_in_standard_format(zDateOvrd ? zDateOvrd : "now");
  zDate[10] = 'T';
  blob_appendf(&branch, "D %s\n", zDate);

  /* Copy all of the content from the parent into the branch */
  content_get(rootid, &parent);
  manifest_parse(&mParent, &parent);
  if( mParent.type!=CFTYPE_MANIFEST ){
    fossil_fatal("%s is not a valid check-in", g.argv[4]);
  }
  for(i=0; i<mParent.nFile; ++i){

    if( mParent.aFile[i].zPerm[0] ){
      blob_appendf(&branch, "F %F %s %s\n",
                   mParent.aFile[i].zName,
                   mParent.aFile[i].zUuid,
                   mParent.aFile[i].zPerm);
    }else{
      blob_appendf(&branch, "F %F %s\n",
                   mParent.aFile[i].zName,
                   mParent.aFile[i].zUuid);
    }
  }
  zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rootid);
  blob_appendf(&branch, "P %s\n", zUuid);
  blob_appendf(&branch, "R %s\n", mParent.zRepoCksum);
  manifest_clear(&mParent);

  /* Add the symbolic branch name and the "branch" tag to identify
  ** this as a new branch */
  if( zColor!=0 ){
    blob_appendf(&branch, "T *bgcolor * %F\n", zColor);
  }
  blob_appendf(&branch, "T *branch * %F\n", zBranch);








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  char *zUuid;           /* Artifact ID of origin */
  Stmt q;                /* Generic query */
  const char *zBranch;   /* Name of the new branch */
  char *zDate;           /* Date that branch was created */
  char *zComment;        /* Check-in comment for the new branch */
  const char *zColor;    /* Color of the new branch */
  Blob branch;           /* manifest for the new branch */

  Manifest *pParent;     /* Parsed parent manifest */
  Blob mcksum;           /* Self-checksum on the manifest */
  const char *zDateOvrd; /* Override date string */
  const char *zUserOvrd; /* Override user name */
 
  noSign = find_option("nosign","",0)!=0;
  zColor = find_option("bgcolor","c",1);
  zDateOvrd = find_option("date-override",0,1);
................................................................................
  zComment = mprintf("Create new branch named \"%h\"", zBranch);
  blob_appendf(&branch, "C %F\n", zComment);
  zDate = date_in_standard_format(zDateOvrd ? zDateOvrd : "now");
  zDate[10] = 'T';
  blob_appendf(&branch, "D %s\n", zDate);

  /* Copy all of the content from the parent into the branch */
  pParent = manifest_get(rootid, CFTYPE_MANIFEST);
  if( pParent==0 ){

    fossil_fatal("%s is not a valid check-in", g.argv[4]);
  }

  for(i=0; i<pParent->nFile; ++i){
    if( pParent->aFile[i].zPerm[0] ){
      blob_appendf(&branch, "F %F %s %s\n",
                   pParent->aFile[i].zName,
                   pParent->aFile[i].zUuid,
                   pParent->aFile[i].zPerm);
    }else{
      blob_appendf(&branch, "F %F %s\n",
                   pParent->aFile[i].zName,
                   pParent->aFile[i].zUuid);
    }
  }
  zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rootid);
  blob_appendf(&branch, "P %s\n", zUuid);
  blob_appendf(&branch, "R %s\n", pParent->zRepoCksum);
  manifest_destroy(pParent);

  /* Add the symbolic branch name and the "branch" tag to identify
  ** this as a new branch */
  if( zColor!=0 ){
    blob_appendf(&branch, "T *bgcolor * %F\n", zColor);
  }
  blob_appendf(&branch, "T *branch * %F\n", zBranch);

Changes to src/browse.c. 

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  char *zPrefix;
  Stmt q;
  const char *zCI = P("ci");
  int rid = 0;
  char *zUuid = 0;
  Blob content;
  Blob dirname;
  Manifest m;
  const char *zSubdirLink;

  login_check_credentials();
  if( !g.okHistory ){ login_needed(); return; }
  style_header("File List");
  sqlite3_create_function(g.db, "pathelement", 2, SQLITE_UTF8, 0,
                          pathelementFunc, 0, 0);
................................................................................
  /* If a specific check-in is requested, fetch and parse it.  If the
  ** specific check-in does not exist, clear zCI.  zCI==0 will cause all
  ** files from all check-ins to be displayed.
  */
  if( zCI ){
    if( (rid = name_to_rid(zCI))==0 || content_get(rid, &content)==0 ){
      zCI = 0;  /* No artifact named zCI exists */
    }else if( !manifest_parse(&m, &content) || m.type!=CFTYPE_MANIFEST ){
      zCI = 0;  /* The artifact exists but is not a manifest */
    }else{
      zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
    }
  }


................................................................................
  */
  db_multi_exec(
     "CREATE TEMP TABLE localfiles(x UNIQUE NOT NULL, u);"
     "CREATE TEMP TABLE allfiles(x UNIQUE NOT NULL, u);"
  );
  if( zCI ){
    Stmt ins;
    int i;

    db_prepare(&ins, "INSERT INTO allfiles VALUES(:x, :u)");
    for(i=0; i<m.nFile; i++){


      db_bind_text(&ins, ":x", m.aFile[i].zName);
      db_bind_text(&ins, ":u", m.aFile[i].zUuid);
      db_step(&ins);
      db_reset(&ins);
    }
    db_finalize(&ins);
  }else{
    db_multi_exec(
      "INSERT INTO allfiles SELECT name, NULL FROM filename"
................................................................................
      @ <li><a href="%s(g.zBaseURL)/artifact?name=%s(zUuid)">%h(zFN)</a></li>
    }else{
      @ <li><a href="%s(g.zBaseURL)/finfo?name=%T(zPrefix)%T(zFN)">%h(zFN)
      @     </a></li>
    }
  }
  db_finalize(&q);

  @ </ul></td></tr></table>
  style_footer();
}








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  char *zPrefix;
  Stmt q;
  const char *zCI = P("ci");
  int rid = 0;
  char *zUuid = 0;
  Blob content;
  Blob dirname;
  Manifest *pM = 0;
  const char *zSubdirLink;

  login_check_credentials();
  if( !g.okHistory ){ login_needed(); return; }
  style_header("File List");
  sqlite3_create_function(g.db, "pathelement", 2, SQLITE_UTF8, 0,
                          pathelementFunc, 0, 0);
................................................................................
  /* If a specific check-in is requested, fetch and parse it.  If the
  ** specific check-in does not exist, clear zCI.  zCI==0 will cause all
  ** files from all check-ins to be displayed.
  */
  if( zCI ){
    if( (rid = name_to_rid(zCI))==0 || content_get(rid, &content)==0 ){
      zCI = 0;  /* No artifact named zCI exists */
    }else if( (pM = manifest_new(&content))!=0 || pM->type!=CFTYPE_MANIFEST ){
      zCI = 0;  /* The artifact exists but is not a manifest */
    }else{
      zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
    }
  }


................................................................................
  */
  db_multi_exec(
     "CREATE TEMP TABLE localfiles(x UNIQUE NOT NULL, u);"
     "CREATE TEMP TABLE allfiles(x UNIQUE NOT NULL, u);"
  );
  if( zCI ){
    Stmt ins;
    ManifestFile *pFile;

    db_prepare(&ins, "INSERT INTO allfiles VALUES(:x, :u)");

    manifest_file_rewind(pM);
    while( (pFile = manifest_file_next(pM,0))!=0 ){
      db_bind_text(&ins, ":x", pFile->zName);
      db_bind_text(&ins, ":u", pFile->zUuid);
      db_step(&ins);
      db_reset(&ins);
    }
    db_finalize(&ins);
  }else{
    db_multi_exec(
      "INSERT INTO allfiles SELECT name, NULL FROM filename"
................................................................................
      @ <li><a href="%s(g.zBaseURL)/artifact?name=%s(zUuid)">%h(zFN)</a></li>
    }else{
      @ <li><a href="%s(g.zBaseURL)/finfo?name=%T(zPrefix)%T(zFN)">%h(zFN)
      @     </a></li>
    }
  }
  db_finalize(&q);
  manifest_destroy(pM);
  @ </ul></td></tr></table>
  style_footer();
}

Changes to src/checkout.c. 

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*/
void manifest_to_disk(int vid){
  char *zManFile;
  Blob manifest;
  Blob hash;
  Blob filename;
  int baseLen;
  int i;
  int seenManifest = 0;
  int seenManifestUuid = 0;
  Manifest m;


  /* Check the EXE permission status of all files
  */
  blob_zero(&manifest);
  content_get(vid, &manifest);
  manifest_parse(&m, &manifest);
  blob_zero(&filename);
  blob_appendf(&filename, "%s/", g.zLocalRoot);
  baseLen = blob_size(&filename);
  for(i=0; i<m.nFile; i++){ 

    int isExe;
    blob_append(&filename, m.aFile[i].zName, -1);
    isExe = m.aFile[i].zPerm && strstr(m.aFile[i].zPerm, "x");

    file_setexe(blob_str(&filename), isExe);
    set_or_clear_isexe(m.aFile[i].zName, vid, isExe);
    blob_resize(&filename, baseLen);
    if( memcmp(m.aFile[i].zName, "manifest", 8)==0 ){
      if( m.aFile[i].zName[8]==0 ) seenManifest = 1;
      if( strcmp(&m.aFile[i].zName[8], ".uuid")==0 ) seenManifestUuid = 1;
    }
  }
  blob_reset(&filename);
  manifest_clear(&m);

  blob_zero(&manifest);
  content_get(vid, &manifest);
  if( !seenManifest ){
    zManFile = mprintf("%smanifest", g.zLocalRoot);
    blob_write_to_file(&manifest, zManFile);
    free(zManFile);








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*/
void manifest_to_disk(int vid){
  char *zManFile;
  Blob manifest;
  Blob hash;
  Blob filename;
  int baseLen;

  int seenManifest = 0;
  int seenManifestUuid = 0;
  Manifest *pManifest;
  ManifestFile *pFile;

  /* Check the EXE permission status of all files
  */
  pManifest = manifest_get(vid, CFTYPE_MANIFEST);
  if( pManifest==0 ) return;

  blob_zero(&filename);
  blob_appendf(&filename, "%s/", g.zLocalRoot);
  baseLen = blob_size(&filename);
  manifest_file_rewind(pManifest);
  while( (pFile = manifest_file_next(pManifest, 0))!=0 ){
    int isExe;
    blob_append(&filename, pFile->zName, -1);

    isExe = pFile->zPerm && strstr(pFile->zPerm, "x");
    file_setexe(blob_str(&filename), isExe);
    set_or_clear_isexe(pFile->zName, vid, isExe);
    blob_resize(&filename, baseLen);
    if( memcmp(pFile->zName, "manifest", 8)==0 ){
      if( pFile->zName[8]==0 ) seenManifest = 1;
      if( strcmp(&pFile->zName[8], ".uuid")==0 ) seenManifestUuid = 1;
    }
  }
  blob_reset(&filename);
  manifest_destroy(pManifest);

  blob_zero(&manifest);
  content_get(vid, &manifest);
  if( !seenManifest ){
    zManFile = mprintf("%smanifest", g.zLocalRoot);
    blob_write_to_file(&manifest, zManFile);
    free(zManFile);

Changes to src/diffcmd.c. 

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*/
static void diff_all_two_versions(
  const char *zFrom,
  const char *zTo,
  const char *zDiffCmd,
  int diffFlags
){
  Manifest mFrom, mTo;
  int iFrom, iTo;
  int ignoreEolWs = (diffFlags & DIFF_NOEOLWS)!=0 ? 1 : 0;
  int asNewFlag = (diffFlags & DIFF_NEWFILE)!=0 ? 1 : 0;

  manifest_from_name(zFrom, &mFrom);
  manifest_from_name(zTo, &mTo);
  iFrom = iTo = 0;
  while( iFrom<mFrom.nFile || iTo<mTo.nFile ){
    int cmp;
    if( iFrom>=mFrom.nFile ){
      cmp = +1;
    }else if( iTo>=mTo.nFile ){
      cmp = -1;
    }else{
      cmp = strcmp(mFrom.aFile[iFrom].zName, mTo.aFile[iTo].zName);
    }
    if( cmp<0 ){
      printf("DELETED %s\n", mFrom.aFile[iFrom].zName);
      if( asNewFlag ){
        diff_manifest_entry(&mFrom.aFile[iFrom], 0, zDiffCmd, ignoreEolWs);
      }
      iFrom++;
    }else if( cmp>0 ){
      printf("ADDED   %s\n", mTo.aFile[iTo].zName);
      if( asNewFlag ){
        diff_manifest_entry(0, &mTo.aFile[iTo], zDiffCmd, ignoreEolWs);
      }
      iTo++;
    }else if( strcmp(mFrom.aFile[iFrom].zUuid, mTo.aFile[iTo].zUuid)==0 ){
      /* No changes */
      iFrom++;
      iTo++;
    }else{
      printf("CHANGED %s\n", mFrom.aFile[iFrom].zName);
      diff_manifest_entry(&mFrom.aFile[iFrom], &mTo.aFile[iTo],
                          zDiffCmd, ignoreEolWs);
      iFrom++;
      iTo++;
    }
  }
  manifest_clear(&mFrom);
  manifest_clear(&mTo);



}

/*
** COMMAND: diff
** COMMAND: gdiff
**
** Usage: %fossil diff|gdiff ?options? ?FILE?








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*/
static void diff_all_two_versions(
  const char *zFrom,
  const char *zTo,
  const char *zDiffCmd,
  int diffFlags
){
  Manifest *pFrom, *pTo;
  ManifestFile *pFromFile, *pToFile;
  int ignoreEolWs = (diffFlags & DIFF_NOEOLWS)!=0 ? 1 : 0;
  int asNewFlag = (diffFlags & DIFF_NEWFILE)!=0 ? 1 : 0;

  pFrom = manifest_from_name(zFrom);
  manifest_file_rewind(pFrom);
  pFromFile = manifest_file_next(pFrom,0);
  pTo = manifest_from_name(zTo);
  manifest_file_rewind(pTo);
  pToFile = manifest_file_next(pTo,0);

  while( pFromFile || pToFile ){
    int cmp;
    if( pFromFile==0 ){
      cmp = +1;
    }else if( pToFile==0 ){
      cmp = -1;
    }else{
      cmp = strcmp(pFromFile->zName, pToFile->zName);
    }
    if( cmp<0 ){
      printf("DELETED %s\n", pFromFile->zName);
      if( asNewFlag ){
        diff_manifest_entry(pFromFile, 0, zDiffCmd, ignoreEolWs);
      }
      pFromFile = manifest_file_next(pFrom,0);
    }else if( cmp>0 ){
      printf("ADDED   %s\n", pToFile->zName);
      if( asNewFlag ){
        diff_manifest_entry(0, pToFile, zDiffCmd, ignoreEolWs);
      }
      pToFile = manifest_file_next(pTo,0);
    }else if( strcmp(pFromFile->zUuid, pToFile->zUuid)==0 ){
      /* No changes */
      pFromFile = manifest_file_next(pFrom,0);
      pToFile = manifest_file_next(pTo,0);
    }else{
      printf("CHANGED %s\n", pFromFile->zName);
      diff_manifest_entry(pFromFile, pToFile, zDiffCmd, ignoreEolWs);
      pFromFile = manifest_file_next(pFrom,0);
      pToFile = manifest_file_next(pTo,0);
    }
  }
  manifest_destroy(pFrom);
  manifest_destroy(pTo);
}

/*
** COMMAND: diff
** COMMAND: gdiff
**
** Usage: %fossil diff|gdiff ?options? ?FILE?

Changes to src/doc.c. 

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                    " WHERE vid=%d AND fname=%Q", vid, zName);
    if( rid==0 && db_exists("SELECT 1 FROM vcache WHERE vid=%d", vid) ){
      goto doc_not_found;
    }

    if( rid==0 ){
      Stmt s;
      Blob baseline;
      Manifest m;

      /* Add the vid baseline to the cache */
      if( db_int(0, "SELECT count(*) FROM vcache")>10000 ){
        db_multi_exec("DELETE FROM vcache");
      }
      if( content_get(vid, &baseline)==0 ){
        goto doc_not_found;
      }
      if( manifest_parse(&m, &baseline)==0 || m.type!=CFTYPE_MANIFEST ){
        goto doc_not_found;
      }
      db_prepare(&s,
        "INSERT INTO vcache(vid,fname,rid)"
        " SELECT %d, :fname, rid FROM blob"
        "  WHERE uuid=:uuid",
        vid
      );
      for(i=0; i<m.nFile; i++){

        db_bind_text(&s, ":fname", m.aFile[i].zName);
        db_bind_text(&s, ":uuid", m.aFile[i].zUuid);
        db_step(&s);
        db_reset(&s);
      }
      db_finalize(&s);
      manifest_clear(&m);

      /* Try again to find the file */
      rid = db_int(0, "SELECT rid FROM vcache"
                      " WHERE vid=%d AND fname=%Q", vid, zName);
    }
    if( rid==0 ){
      goto doc_not_found;








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                    " WHERE vid=%d AND fname=%Q", vid, zName);
    if( rid==0 && db_exists("SELECT 1 FROM vcache WHERE vid=%d", vid) ){
      goto doc_not_found;
    }

    if( rid==0 ){
      Stmt s;
      Manifest *pM;
      ManifestFile *pFile;

      /* Add the vid baseline to the cache */
      if( db_int(0, "SELECT count(*) FROM vcache")>10000 ){
        db_multi_exec("DELETE FROM vcache");
      }
      pM = manifest_get(vid, CFTYPE_MANIFEST);
      if( pM==0 ){


        goto doc_not_found;
      }
      db_prepare(&s,
        "INSERT INTO vcache(vid,fname,rid)"
        " SELECT %d, :fname, rid FROM blob"
        "  WHERE uuid=:uuid",
        vid
      );
      manifest_file_rewind(pM);
      while( (pFile = manifest_file_next(pM,0))!=0 ){
        db_bind_text(&s, ":fname", pFile->zName);
        db_bind_text(&s, ":uuid", pFile->zUuid);
        db_step(&s);
        db_reset(&s);
      }
      db_finalize(&s);
      manifest_destroy(pM);

      /* Try again to find the file */
      rid = db_int(0, "SELECT rid FROM vcache"
                      " WHERE vid=%d AND fname=%Q", vid, zName);
    }
    if( rid==0 ){
      goto doc_not_found;

Changes to src/event.c. 

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  int rid = 0;             /* rid of the event artifact */
  char *zUuid;             /* UUID corresponding to rid */
  const char *zEventId;    /* Event identifier */
  char *zETime;            /* Time of the event */
  char *zATime;            /* Time the artifact was created */
  int specRid;             /* rid specified by aid= parameter */
  int prevRid, nextRid;    /* Previous or next edits of this event */
  Manifest m;              /* Parsed event artifact */
  Blob content;            /* Original event artifact content */
  Blob fullbody;           /* Complete content of the event body */
  Blob title;              /* Title extracted from the event body */
  Blob tail;               /* Event body that comes after the title */
  Stmt q1;                 /* Query to search for the event */
  int showDetail;          /* True to show details */


................................................................................
    return;
  }
  zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
  showDetail = atoi(PD("detail","0"));

  /* Extract the event content.
  */
  memset(&m, 0, sizeof(m));
  blob_zero(&m.content);
  content_get(rid, &content);
  manifest_parse(&m, &content);
  if( m.type!=CFTYPE_EVENT ){
    fossil_panic("Object #%d is not an event", rid);
  }
  blob_init(&fullbody, m.zWiki, -1);
  if( wiki_find_title(&fullbody, &title, &tail) ){
    style_header(blob_str(&title));
  }else{
    style_header("Event %S", zEventId);
    tail = fullbody;
  }
  if( g.okWrWiki && g.okWrite && nextRid==0 ){
    style_submenu_element("Edit", "Edit", "%s/eventedit?name=%s",
                          g.zTop, zEventId);
  }
  zETime = db_text(0, "SELECT datetime(%.17g)", m.rEventDate);
  style_submenu_element("Context", "Context", "%s/timeline?c=%T",
                        g.zTop, zETime);
  if( g.okHistory ){
    if( showDetail ){
      style_submenu_element("Plain", "Plain", "%s/event?name=%s&amp;aid=%s",
                            g.zTop, zEventId, zUuid);
      if( nextRid ){
................................................................................
  }

  if( showDetail && g.okHistory ){
    int i;
    const char *zClr = 0;
    Blob comment;

    zATime = db_text(0, "SELECT datetime(%.17g)", m.rDate);
    @ <p>Event [<a href="%s(g.zTop)/artifact/%s(zUuid)">%S(zUuid)</a>] at
    @ [<a href="%s(g.zTop)/timeline?c=%T(zETime)">%s(zETime)</a>]
    @ entered by user <b>%h(m.zUser)</b> on
    @ [<a href="%s(g.zTop)/timeline?c=%T(zATime)">%s(zATime)</a>]:</p>
    @ <blockquote>
    for(i=0; i<m.nTag; i++){
      if( strcmp(m.aTag[i].zName,"+bgcolor")==0 ){
        zClr = m.aTag[i].zValue;
      }
    }
    if( zClr && zClr[0]==0 ) zClr = 0;
    if( zClr ){
      @ <div style="background-color: %h(zClr);">
    }else{
      @ <div>
    }
    blob_init(&comment, m.zComment, -1);
    wiki_convert(&comment, 0, WIKI_INLINE);
    blob_reset(&comment);
    @ </div>
    @ </blockquote><hr />
  }  

  wiki_convert(&tail, 0, 0);
  style_footer();
  manifest_clear(&m);
}

/*
** WEBPAGE: eventedit
** URL: /eventedit?name=EVENTID
**
** Edit an event.  If name is omitted, create a new event.
................................................................................
  if( strcmp(zClr,"##")==0 ) zClr = PD("cclr","");


  /* If editing an existing event, extract the key fields to use as
  ** a starting point for the edit.
  */
  if( rid && (zBody==0 || zETime==0 || zComment==0 || zTags==0) ){
    Manifest m;
    Blob content;
    memset(&m, 0, sizeof(m));
    blob_zero(&m.content);
    content_get(rid, &content);
    manifest_parse(&m, &content);
    if( m.type==CFTYPE_EVENT ){
      if( zBody==0 ) zBody = m.zWiki;
      if( zETime==0 ){
        zETime = db_text(0, "SELECT datetime(%.17g)", m.rEventDate);
      }
      if( zComment==0 ) zComment = m.zComment;
    }
    if( zTags==0 ){
      zTags = db_text(0,
        "SELECT group_concat(substr(tagname,5),', ')"
        "  FROM tagxref, tag"
        " WHERE tagxref.rid=%d"
        "   AND tagxref.tagid=tag.tagid"








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  int rid = 0;             /* rid of the event artifact */
  char *zUuid;             /* UUID corresponding to rid */
  const char *zEventId;    /* Event identifier */
  char *zETime;            /* Time of the event */
  char *zATime;            /* Time the artifact was created */
  int specRid;             /* rid specified by aid= parameter */
  int prevRid, nextRid;    /* Previous or next edits of this event */
  Manifest *pEvent;        /* Parsed event artifact */

  Blob fullbody;           /* Complete content of the event body */
  Blob title;              /* Title extracted from the event body */
  Blob tail;               /* Event body that comes after the title */
  Stmt q1;                 /* Query to search for the event */
  int showDetail;          /* True to show details */


................................................................................
    return;
  }
  zUuid = db_text(0, "SELECT uuid FROM blob WHERE rid=%d", rid);
  showDetail = atoi(PD("detail","0"));

  /* Extract the event content.
  */
  pEvent = manifest_get(rid, CFTYPE_EVENT);
  if( pEvent==0 ){



    fossil_panic("Object #%d is not an event", rid);
  }
  blob_init(&fullbody, pEvent->zWiki, -1);
  if( wiki_find_title(&fullbody, &title, &tail) ){
    style_header(blob_str(&title));
  }else{
    style_header("Event %S", zEventId);
    tail = fullbody;
  }
  if( g.okWrWiki && g.okWrite && nextRid==0 ){
    style_submenu_element("Edit", "Edit", "%s/eventedit?name=%s",
                          g.zTop, zEventId);
  }
  zETime = db_text(0, "SELECT datetime(%.17g)", pEvent->rEventDate);
  style_submenu_element("Context", "Context", "%s/timeline?c=%T",
                        g.zTop, zETime);
  if( g.okHistory ){
    if( showDetail ){
      style_submenu_element("Plain", "Plain", "%s/event?name=%s&amp;aid=%s",
                            g.zTop, zEventId, zUuid);
      if( nextRid ){
................................................................................
  }

  if( showDetail && g.okHistory ){
    int i;
    const char *zClr = 0;
    Blob comment;

    zATime = db_text(0, "SELECT datetime(%.17g)", pEvent->rDate);
    @ <p>Event [<a href="%s(g.zTop)/artifact/%s(zUuid)">%S(zUuid)</a>] at
    @ [<a href="%s(g.zTop)/timeline?c=%T(zETime)">%s(zETime)</a>]
    @ entered by user <b>%h(pEvent->zUser)</b> on
    @ [<a href="%s(g.zTop)/timeline?c=%T(zATime)">%s(zATime)</a>]:</p>
    @ <blockquote>
    for(i=0; i<pEvent->nTag; i++){
      if( strcmp(pEvent->aTag[i].zName,"+bgcolor")==0 ){
        zClr = pEvent->aTag[i].zValue;
      }
    }
    if( zClr && zClr[0]==0 ) zClr = 0;
    if( zClr ){
      @ <div style="background-color: %h(zClr);">
    }else{
      @ <div>
    }
    blob_init(&comment, pEvent->zComment, -1);
    wiki_convert(&comment, 0, WIKI_INLINE);
    blob_reset(&comment);
    @ </div>
    @ </blockquote><hr />
  }  

  wiki_convert(&tail, 0, 0);
  style_footer();
  manifest_destroy(pEvent);
}

/*
** WEBPAGE: eventedit
** URL: /eventedit?name=EVENTID
**
** Edit an event.  If name is omitted, create a new event.
................................................................................
  if( strcmp(zClr,"##")==0 ) zClr = PD("cclr","");


  /* If editing an existing event, extract the key fields to use as
  ** a starting point for the edit.
  */
  if( rid && (zBody==0 || zETime==0 || zComment==0 || zTags==0) ){
    Manifest *pEvent;
    pEvent = manifest_get(rid, CFTYPE_EVENT);




    if( pEvent && pEvent->type==CFTYPE_EVENT ){
      if( zBody==0 ) zBody = pEvent->zWiki;
      if( zETime==0 ){
        zETime = db_text(0, "SELECT datetime(%.17g)", pEvent->rEventDate);
      }
      if( zComment==0 ) zComment = pEvent->zComment;
    }
    if( zTags==0 ){
      zTags = db_text(0,
        "SELECT group_concat(substr(tagname,5),', ')"
        "  FROM tagxref, tag"
        " WHERE tagxref.rid=%d"
        "   AND tagxref.tagid=tag.tagid"

Changes to src/info.c. 

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...
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...
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....
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  }else{
    style_header("Wiki Information");
    rid = 0;
  }
  db_finalize(&q);
  showTags(rid, "wiki-*");
  if( rid ){
    Blob content;
    Manifest m;

    memset(&m, 0, sizeof(m));
    blob_zero(&m.content);
    content_get(rid, &content);
    manifest_parse(&m, &content);
    if( m.type==CFTYPE_WIKI ){
      Blob wiki;
      blob_init(&wiki, m.zWiki, -1);
      @ <div class="section">Content</div>
      wiki_convert(&wiki, 0, 0);
      blob_reset(&wiki);
    }
    manifest_clear(&m);
  }
  style_footer();
}

/*
** Show a webpage error message
*/
................................................................................
  style_footer();
}

/*
** Find an checkin based on query parameter zParam and parse its
** manifest.  Return the number of errors.
*/
static int vdiff_parse_manifest(const char *zParam, int *pRid, Manifest *pM){
  int rid;
  Blob content;

  *pRid = rid = name_to_rid_www(zParam);
  if( rid==0 ){
    webpage_error("Missing \"%s\" query parameter.", zParam);
    return 1;
  }
  if( !is_a_version(rid) ){
    webpage_error("Artifact %s is not a checkin.", P(zParam));
    return 1;
  }
  content_get(rid, &content);
  manifest_parse(pM, &content);
  return 0;
}

/*
** Output a description of a check-in
*/
void checkin_description(int rid){
  Stmt q;
................................................................................
** URL: /vdiff?from=UUID&amp;to=UUID&amp;detail=BOOLEAN
**
** Show all differences between two checkins.  
*/
void vdiff_page(void){
  int ridFrom, ridTo;
  int showDetail = 0;
  int iFrom, iTo;
  Manifest mFrom, mTo;

  login_check_credentials();
  if( !g.okRead ){ login_needed(); return; }
  login_anonymous_available();

  if( vdiff_parse_manifest("from", &ridFrom, &mFrom) ) return;

  if( vdiff_parse_manifest("to", &ridTo, &mTo) ) return;

  showDetail = atoi(PD("detail","0"));
  style_header("Check-in Differences");
  @ <h2>Difference From:</h2><blockquote>
  checkin_description(ridFrom);
  @ </blockquote><h2>To:</h2><blockquote>
  checkin_description(ridTo);
  @ </blockquote><hr /><p>

  iFrom = iTo = 0;
  while( iFrom<mFrom.nFile && iTo<mTo.nFile ){
    int cmp;
    if( iFrom>=mFrom.nFile ){
      cmp = +1;
    }else if( iTo>=mTo.nFile ){
      cmp = -1;
    }else{
      cmp = strcmp(mFrom.aFile[iFrom].zName, mTo.aFile[iTo].zName);
    }
    if( cmp<0 ){
      append_file_change_line(mFrom.aFile[iFrom].zName, 
                              mFrom.aFile[iFrom].zUuid, 0, 0);
      iFrom++;
    }else if( cmp>0 ){
      append_file_change_line(mTo.aFile[iTo].zName, 
                              0, mTo.aFile[iTo].zUuid, 0);
      iTo++;
    }else if( strcmp(mFrom.aFile[iFrom].zUuid, mTo.aFile[iTo].zUuid)==0 ){
      /* No changes */
      iFrom++;
      iTo++;
    }else{
      append_file_change_line(mFrom.aFile[iFrom].zName, 
                              mFrom.aFile[iFrom].zUuid,
                              mTo.aFile[iTo].zUuid, showDetail);
      iFrom++;
      iTo++;
    }
  }
  manifest_clear(&mFrom);
  manifest_clear(&mTo);




  style_footer();
}

/*
** Write a description of an object to the www reply.
**
................................................................................
** Look for "ci" and "filename" query parameters.  If found, try to
** use them to extract the record ID of an artifact for the file.
*/
int artifact_from_ci_and_filename(void){
  const char *zFilename;
  const char *zCI;
  int cirid;
  Blob content;
  Manifest m;
  int i;

  zCI = P("ci");
  if( zCI==0 ) return 0;
  zFilename = P("filename");
  if( zFilename==0 ) return 0;
  cirid = name_to_rid_www("ci");
  if( !content_get(cirid, &content) ) return 0;
  if( !manifest_parse(&m, &content) ) return 0;
  if( m.type!=CFTYPE_MANIFEST ) return 0;
  for(i=0; i<m.nFile; i++){
    if( strcmp(zFilename, m.aFile[i].zName)==0 ){
      return db_int(0, "SELECT rid FROM blob WHERE uuid=%Q", m.aFile[i].zUuid);


    }
  }
  return 0;
}


/*
................................................................................
** WEBPAGE: tinfo
** URL: /tinfo?name=ARTIFACTID
**
** Show the details of a ticket change control artifact.
*/
void tinfo_page(void){
  int rid;
  Blob content;
  char *zDate;
  const char *zUuid;
  char zTktName[20];
  Manifest m;

  login_check_credentials();
  if( !g.okRdTkt ){ login_needed(); return; }
  rid = name_to_rid_www("name");
  if( rid==0 ){ fossil_redirect_home(); }
  zUuid = db_text("", "SELECT uuid FROM blob WHERE rid=%d", rid);
  if( g.okAdmin ){
................................................................................
      style_submenu_element("Unshun","Unshun", "%s/shun?uuid=%s&amp;sub=1",
            g.zTop, zUuid);
    }else{
      style_submenu_element("Shun","Shun", "%s/shun?shun=%s#addshun",
            g.zTop, zUuid);
    }
  }
  content_get(rid, &content);
  if( manifest_parse(&m, &content)==0 ){
    fossil_redirect_home();
  }
  if( m.type!=CFTYPE_TICKET ){
    fossil_redirect_home();
  }
  style_header("Ticket Change Details");
  zDate = db_text(0, "SELECT datetime(%.12f)", m.rDate);
  memcpy(zTktName, m.zTicketUuid, 10);
  zTktName[10] = 0;
  if( g.okHistory ){

    @ <h2>Changes to ticket <a href="%s(m.zTicketUuid)">%s(zTktName)</a></h2>
    @
    @ <p>By %h(m.zUser) on %s(zDate).  See also:
    @ <a href="%s(g.zTop)/artifact/%T(zUuid)">artifact content</a>, and
    @ <a href="%s(g.zTop)/tkthistory/%s(m.zTicketUuid)">ticket history</a>
    @ </p>
  }else{
    @ <h2>Changes to ticket %s(zTktName)</h2>
    @
    @ <p>By %h(m.zUser) on %s(zDate).
    @ </p>
  }
  @
  @ <ol>
  free(zDate);
  ticket_output_change_artifact(&m);
  manifest_clear(&m);
  style_footer();
}


/*
** WEBPAGE: info
** URL: info/ARTIFACTID








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541
542
543
544
545
546
547

548
549
550




551
552
553
554
555
556
557
558
559
560
561
562
563
564
...
574
575
576
577
578
579
580
581
582

583
584
585
586
587
588
589
590
591
592
593


594
595
596
597
598
599
600
...
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
....
1039
1040
1041
1042
1043
1044
1045
1046
1047

1048
1049
1050
1051
1052
1053
1054
1055
1056
1057
1058
1059
1060
1061
1062
1063
1064
1065
1066
1067
1068
....
1165
1166
1167
1168
1169
1170
1171

1172
1173
1174
1175
1176
1177
1178
1179
1180
1181
1182
....
1184
1185
1186
1187
1188
1189
1190
1191
1192



1193
1194
1195
1196
1197
1198
1199
1200
1201
1202
1203
1204
1205
1206
1207
1208
1209
1210
1211
1212
1213
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  }else{
    style_header("Wiki Information");
    rid = 0;
  }
  db_finalize(&q);
  showTags(rid, "wiki-*");
  if( rid ){

    Manifest *pWiki;
    pWiki = manifest_get(rid, CFTYPE_WIKI);
    if( pWiki ){




      Blob wiki;
      blob_init(&wiki, pWiki->zWiki, -1);
      @ <div class="section">Content</div>
      wiki_convert(&wiki, 0, 0);
      blob_reset(&wiki);
    }
    manifest_destroy(pWiki);
  }
  style_footer();
}

/*
** Show a webpage error message
*/
................................................................................
  style_footer();
}

/*
** Find an checkin based on query parameter zParam and parse its
** manifest.  Return the number of errors.
*/
static Manifest *vdiff_parse_manifest(const char *zParam, int *pRid){
  int rid;


  *pRid = rid = name_to_rid_www(zParam);
  if( rid==0 ){
    webpage_error("Missing \"%s\" query parameter.", zParam);
    return 0;
  }
  if( !is_a_version(rid) ){
    webpage_error("Artifact %s is not a checkin.", P(zParam));
    return 0;
  }
  return manifest_get(rid, CFTYPE_MANIFEST);


}

/*
** Output a description of a check-in
*/
void checkin_description(int rid){
  Stmt q;
................................................................................
** URL: /vdiff?from=UUID&amp;to=UUID&amp;detail=BOOLEAN
**
** Show all differences between two checkins.  
*/
void vdiff_page(void){
  int ridFrom, ridTo;
  int showDetail = 0;
  Manifest *pFrom, *pTo;
  ManifestFile *pFileFrom, *pFileTo;

  login_check_credentials();
  if( !g.okRead ){ login_needed(); return; }
  login_anonymous_available();

  pFrom = vdiff_parse_manifest("from", &ridFrom);
  if( pFrom==0 ) return;
  pTo = vdiff_parse_manifest("to", &ridTo);
  if( pTo==0 ) return;
  showDetail = atoi(PD("detail","0"));
  style_header("Check-in Differences");
  @ <h2>Difference From:</h2><blockquote>
  checkin_description(ridFrom);
  @ </blockquote><h2>To:</h2><blockquote>
  checkin_description(ridTo);
  @ </blockquote><hr /><p>

  manifest_file_rewind(pFrom);
  pFileFrom = manifest_file_next(pFrom, 0);
  manifest_file_rewind(pTo);
  pFileTo = manifest_file_next(pTo, 0);
  while( pFileFrom || pFileTo ){
    int cmp;
    if( pFileFrom==0 ){
      cmp = +1;
    }else if( pFileTo==0 ){
      cmp = -1;
    }else{
      cmp = strcmp(pFileFrom->zName, pFileTo->zName);
    }
    if( cmp<0 ){
      append_file_change_line(pFileFrom->zName, 
                              pFileFrom->zUuid, 0, 0);
      pFileFrom = manifest_file_next(pFrom, 0);
    }else if( cmp>0 ){
      append_file_change_line(pFileTo->zName, 
                              0, pFileTo->zUuid, 0);
      pFileTo = manifest_file_next(pTo, 0);
    }else if( strcmp(pFileFrom->zUuid, pFileTo->zUuid)==0 ){
      /* No changes */
      pFileFrom = manifest_file_next(pFrom, 0);
      pFileTo = manifest_file_next(pTo, 0);
    }else{
      append_file_change_line(pFileFrom->zName, 
                              pFileFrom->zUuid,
                              pFileTo->zUuid, showDetail);
      pFileFrom = manifest_file_next(pFrom, 0);
      pFileTo = manifest_file_next(pTo, 0);
    }
  }
  manifest_destroy(pFrom);
  manifest_destroy(pTo);

  style_footer();
}

/*
** Write a description of an object to the www reply.
**
................................................................................
** Look for "ci" and "filename" query parameters.  If found, try to
** use them to extract the record ID of an artifact for the file.
*/
int artifact_from_ci_and_filename(void){
  const char *zFilename;
  const char *zCI;
  int cirid;
  Manifest *pManifest;
  ManifestFile *pFile;


  zCI = P("ci");
  if( zCI==0 ) return 0;
  zFilename = P("filename");
  if( zFilename==0 ) return 0;
  cirid = name_to_rid_www("ci");
  pManifest = manifest_get(cirid, CFTYPE_MANIFEST);
  if( pManifest==0 ) return 0;
  manifest_file_rewind(pManifest);
  while( (pFile = manifest_file_next(pManifest,0))!=0 ){
    if( strcmp(zFilename, pFile->zName)==0 ){
      int rid = db_int(0, "SELECT rid FROM blob WHERE uuid=%Q", pFile->zUuid);
      manifest_destroy(pManifest);
      return rid;
    }
  }
  return 0;
}


/*
................................................................................
** WEBPAGE: tinfo
** URL: /tinfo?name=ARTIFACTID
**
** Show the details of a ticket change control artifact.
*/
void tinfo_page(void){
  int rid;

  char *zDate;
  const char *zUuid;
  char zTktName[20];
  Manifest *pTktChng;

  login_check_credentials();
  if( !g.okRdTkt ){ login_needed(); return; }
  rid = name_to_rid_www("name");
  if( rid==0 ){ fossil_redirect_home(); }
  zUuid = db_text("", "SELECT uuid FROM blob WHERE rid=%d", rid);
  if( g.okAdmin ){
................................................................................
      style_submenu_element("Unshun","Unshun", "%s/shun?uuid=%s&amp;sub=1",
            g.zTop, zUuid);
    }else{
      style_submenu_element("Shun","Shun", "%s/shun?shun=%s#addshun",
            g.zTop, zUuid);
    }
  }
  pTktChng = manifest_get(rid, CFTYPE_TICKET);
  if( pTktChng==0 ){



    fossil_redirect_home();
  }
  style_header("Ticket Change Details");
  zDate = db_text(0, "SELECT datetime(%.12f)", pTktChng->rDate);
  memcpy(zTktName, pTktChng->zTicketUuid, 10);
  zTktName[10] = 0;
  if( g.okHistory ){
    @ <h2>Changes to ticket
    @ <a href="%s(pTktChng->zTicketUuid)">%s(zTktName)</a></h2>
    @
    @ <p>By %h(pTktChng->zUser) on %s(zDate).  See also:
    @ <a href="%s(g.zTop)/artifact/%T(zUuid)">artifact content</a>, and
    @ <a href="%s(g.zTop)/tkthistory/%s(pTktChng->zTicketUuid)">ticket
    @ history</a></p>
  }else{
    @ <h2>Changes to ticket %s(zTktName)</h2>
    @
    @ <p>By %h(pTktChng->zUser) on %s(zDate).
    @ </p>
  }
  @
  @ <ol>
  free(zDate);
  ticket_output_change_artifact(pTktChng);
  manifest_destroy(pTktChng);
  style_footer();
}


/*
** WEBPAGE: info
** URL: info/ARTIFACTID

Changes to src/manifest.c. 

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#include "manifest.h"
#include <assert.h>

#if INTERFACE
/*
** Types of control files
*/

#define CFTYPE_MANIFEST   1
#define CFTYPE_CLUSTER    2
#define CFTYPE_CONTROL    3
#define CFTYPE_WIKI       4
#define CFTYPE_TICKET     5
#define CFTYPE_ATTACHMENT 6
#define CFTYPE_EVENT      7













/*
** A parsed manifest or cluster.
*/
struct Manifest {
  Blob content;         /* The original content blob */
  int type;             /* Type of artifact.  One of CFTYPE_xxxxx */
................................................................................
  char *zEventId;       /* UUID for an event.  E card. */
  char *zTicketUuid;    /* UUID for a ticket. K card. */
  char *zAttachName;    /* Filename of an attachment. A card. */
  char *zAttachSrc;     /* UUID of document being attached. A card. */
  char *zAttachTarget;  /* Ticket or wiki that attachment applies to.  A card */
  int nFile;            /* Number of F cards */
  int nFileAlloc;       /* Slots allocated in aFile[] */
  struct ManifestFile { 
    char *zName;           /* Name of a file */
    char *zUuid;           /* UUID of the file */
    char *zPerm;           /* File permissions */
    char *zPrior;          /* Prior name if the name was changed */
    int iRename;           /* index of renamed name in prior/next manifest */
  } *aFile;             /* One entry for each F card */
  int nParent;          /* Number of parents. */
  int nParentAlloc;     /* Slots allocated in azParent[] */
  char **azParent;      /* UUIDs of parents.  One for each P card argument */
  int nCChild;          /* Number of cluster children */
  int nCChildAlloc;     /* Number of closts allocated in azCChild[] */
  char **azCChild;      /* UUIDs of referenced objects in a cluster. M cards */
  int nTag;             /* Number of T Cards */
................................................................................
  Manifest aLine[MX_MANIFEST_CACHE];
} manifestCache;


/*
** Clear the memory allocated in a manifest object
*/
void manifest_clear(Manifest *p){
  blob_reset(&p->content);
  free(p->aFile);
  free(p->azParent);
  free(p->azCChild);
  free(p->aTag);
  free(p->aField);
  memset(p, 0, sizeof(*p));
................................................................................

manifest_syntax_error:
  /*fprintf(stderr, "Manifest error on line %i\n", lineNo);fflush(stderr);*/
  md5sum_init();
  manifest_clear(p);
  return 0;
}













































/*
** COMMAND: test-parse-manifest
**
** Usage: %fossil test-parse-manifest FILENAME ?N?
**
** Parse the manifest and discarded.  Use for testing only.
*/
void manifest_test_parse_cmd(void){
  Manifest m;
  Blob b;
  int i;
  int n = 1;
  if( g.argc!=3 && g.argc!=4 ){
    usage("FILENAME");
  }
  db_must_be_within_tree();
  blob_read_from_file(&b, g.argv[2]);
  if( g.argc>3 ) n = atoi(g.argv[3]);
  for(i=0; i<n; i++){
    Blob b2;
    blob_copy(&b2, &b);
    manifest_parse(&m, &b2);
    manifest_clear(&m);





































  }
}

/*
** Translate a filename into a filename-id (fnid).  Create a new fnid
** if no previously exists.
*/
................................................................................
  return 1;
}

/*
** Given a checkin name, load and parse the manifest for that checkin.
** Throw a fatal error if anything goes wrong.
*/
void manifest_from_name(
  const char *zName,
  Manifest *pM
){
  int rid;
  Blob content;

  rid = name_to_rid(zName);
  if( !is_a_version(rid) ){
    fossil_fatal("no such checkin: %s", zName);
  }
  content_get(rid, &content);
  if( !manifest_parse(pM, &content) ){
    fossil_fatal("cannot parse manifest for checkin: %s", zName);
  }

}








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#include "manifest.h"
#include <assert.h>

#if INTERFACE
/*
** Types of control files
*/
#define CFTYPE_ANY        0
#define CFTYPE_MANIFEST   1
#define CFTYPE_CLUSTER    2
#define CFTYPE_CONTROL    3
#define CFTYPE_WIKI       4
#define CFTYPE_TICKET     5
#define CFTYPE_ATTACHMENT 6
#define CFTYPE_EVENT      7

/*
** A single F-card within a manifest
*/
struct ManifestFile { 
  char *zName;           /* Name of a file */
  char *zUuid;           /* UUID of the file */
  char *zPerm;           /* File permissions */
  char *zPrior;          /* Prior name if the name was changed */
  int iRename;           /* index of renamed name in prior/next manifest */
};


/*
** A parsed manifest or cluster.
*/
struct Manifest {
  Blob content;         /* The original content blob */
  int type;             /* Type of artifact.  One of CFTYPE_xxxxx */
................................................................................
  char *zEventId;       /* UUID for an event.  E card. */
  char *zTicketUuid;    /* UUID for a ticket. K card. */
  char *zAttachName;    /* Filename of an attachment. A card. */
  char *zAttachSrc;     /* UUID of document being attached. A card. */
  char *zAttachTarget;  /* Ticket or wiki that attachment applies to.  A card */
  int nFile;            /* Number of F cards */
  int nFileAlloc;       /* Slots allocated in aFile[] */
  int iFile;            /* Index of current file in iterator */





  ManifestFile *aFile;  /* One entry for each F-card */
  int nParent;          /* Number of parents. */
  int nParentAlloc;     /* Slots allocated in azParent[] */
  char **azParent;      /* UUIDs of parents.  One for each P card argument */
  int nCChild;          /* Number of cluster children */
  int nCChildAlloc;     /* Number of closts allocated in azCChild[] */
  char **azCChild;      /* UUIDs of referenced objects in a cluster. M cards */
  int nTag;             /* Number of T Cards */
................................................................................
  Manifest aLine[MX_MANIFEST_CACHE];
} manifestCache;


/*
** Clear the memory allocated in a manifest object
*/
static void manifest_clear(Manifest *p){
  blob_reset(&p->content);
  free(p->aFile);
  free(p->azParent);
  free(p->azCChild);
  free(p->aTag);
  free(p->aField);
  memset(p, 0, sizeof(*p));
................................................................................

manifest_syntax_error:
  /*fprintf(stderr, "Manifest error on line %i\n", lineNo);fflush(stderr);*/
  md5sum_init();
  manifest_clear(p);
  return 0;
}

/*
** Allocate space for a Manifest object and populate it with a
** parse of pContent.  Return a pointer ot the new object.
**
** If pContent is not a well-formed control artifact, return 0.
**
** pContent is reset, regardless of whether or not a Manifest object
** is returned.
*/
Manifest *manifest_new(Blob *pContent){
  Manifest *p = fossil_malloc( sizeof(*p) );
  if( manifest_parse(p, pContent)==0 ){
    fossil_free(p);
    p = 0;
  }
  return p;
}

/*
** Get a manifest given the rid for the control artifact.  Return
** a pointer to the manifest on success or NULL if there is a failure.
*/
Manifest *manifest_get(int rid, int cfType){
  Blob content;
  Manifest *p;
  content_get(rid, &content);
  p = manifest_new(&content);
  if( p && cfType!=CFTYPE_ANY && cfType!=p->type ){
    manifest_destroy(p);
    p = 0;
  }
  return p;
}

/*
** Destroy a Manifest object previously obtained from manifest_new().
*/
void manifest_destroy(Manifest *p){
  if( p ){
    manifest_clear(p);
    fossil_free(p);
  }
}

/*
** COMMAND: test-parse-manifest
**
** Usage: %fossil test-parse-manifest FILENAME ?N?
**
** Parse the manifest and discarded.  Use for testing only.
*/
void manifest_test_parse_cmd(void){
  Manifest *p;
  Blob b;
  int i;
  int n = 1;
  if( g.argc!=3 && g.argc!=4 ){
    usage("FILENAME");
  }
  db_must_be_within_tree();
  blob_read_from_file(&b, g.argv[2]);
  if( g.argc>3 ) n = atoi(g.argv[3]);
  for(i=0; i<n; i++){
    Blob b2;
    blob_copy(&b2, &b);
    p = manifest_new(&b2);
    manifest_destroy(p);
  }
}

/*
** Rewind a manifest-file iterator back to the beginning of the manifest.
*/
void manifest_file_rewind(Manifest *p){
  p->iFile = -1;
}

/*
** Advance to the next manifest-file.
**
** Return NULL for end-of-records or if there is an error.  If an error
** occurs and pErr!=0 then store 1 in *pErr.
*/
ManifestFile *manifest_file_next(
  Manifest *p,   
  int *pErr
){
  if( pErr ) *pErr = 0;
  if( p->iFile+1<p->nFile ){
    p->iFile++;
    return &p->aFile[p->iFile];
  }else{
    return 0;
  }
}

/*
** Return a pointer to the current file.
*/
ManifestFile *manifest_file_current(Manifest *p){
  if( p->iFile>=0 && p->iFile<p->nFile ){
    return &p->aFile[p->iFile];
  }else{
    return 0;
  }
}

/*
** Translate a filename into a filename-id (fnid).  Create a new fnid
** if no previously exists.
*/
................................................................................
  return 1;
}

/*
** Given a checkin name, load and parse the manifest for that checkin.
** Throw a fatal error if anything goes wrong.
*/
Manifest *manifest_from_name(const char *zName){
  int rid;
  Manifest *p;




  rid = name_to_rid(zName);
  if( !is_a_version(rid) ){
    fossil_fatal("no such checkin: %s", zName);
  }
  p = manifest_get(rid, CFTYPE_MANIFEST);
  if( p==0 ){
    fossil_fatal("cannot parse manifest for checkin: %s", zName);
  }
  return p;
}

Changes to src/tkt.c. 

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/*
** Rebuild an entire entry in the TICKET table
*/
void ticket_rebuild_entry(const char *zTktUuid){
  char *zTag = mprintf("tkt-%s", zTktUuid);
  int tagid = tag_findid(zTag, 1);
  Stmt q;
  Manifest manifest;
  Blob content;
  int createFlag = 1;
  
  db_multi_exec(
     "DELETE FROM ticket WHERE tkt_uuid=%Q", zTktUuid
  );
  db_prepare(&q, "SELECT rid FROM tagxref WHERE tagid=%d ORDER BY mtime",tagid);
  while( db_step(&q)==SQLITE_ROW ){
    int rid = db_column_int(&q, 0);
    content_get(rid, &content);
    manifest_parse(&manifest, &content);
    ticket_insert(&manifest, createFlag, rid);
    manifest_ticket_event(rid, &manifest, createFlag, tagid);
    manifest_clear(&manifest);

    createFlag = 0;
  }
  db_finalize(&q);
}

/*
** Create the subscript interpreter and load the "common" code.
................................................................................
    "  FROM attachment, blob"
    " WHERE target=(SELECT substr(tagname,5) FROM tag WHERE tagid=%d)"
    "   AND blob.rid=attachid"
    " ORDER BY 1 DESC",
    tagid, tagid
  );
  while( db_step(&q)==SQLITE_ROW ){
    Blob content;
    Manifest m;
    char zShort[12];
    const char *zDate = db_column_text(&q, 0);
    int rid = db_column_int(&q, 1);
    const char *zChngUuid = db_column_text(&q, 2);
    const char *zFile = db_column_text(&q, 4);
    memcpy(zShort, zChngUuid, 10);
    zShort[10] = 0;
................................................................................
        @ <p>Add attachment "%h(zFile)"
      }
      @ [<a href="%s(g.zTop)/artifact/%T(zChngUuid)">%s(zShort)</a>]
      @ (rid %d(rid)) by
      hyperlink_to_user(zUser,zDate," on");
      hyperlink_to_date(zDate, ".</p>");
    }else{
      content_get(rid, &content);
      if( manifest_parse(&m, &content) && m.type==CFTYPE_TICKET ){
        @
        @ <p>Ticket change
        @ [<a href="%s(g.zTop)/artifact/%T(zChngUuid)">%s(zShort)</a>]
        @ (rid %d(rid)) by
        hyperlink_to_user(m.zUser,zDate," on");
        hyperlink_to_date(zDate, ":");
        @ </p>
        ticket_output_change_artifact(&m);
      }
      manifest_clear(&m);
    }
  }
  db_finalize(&q);
  style_footer();
}

/*








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/*
** Rebuild an entire entry in the TICKET table
*/
void ticket_rebuild_entry(const char *zTktUuid){
  char *zTag = mprintf("tkt-%s", zTktUuid);
  int tagid = tag_findid(zTag, 1);
  Stmt q;
  Manifest *pTicket;

  int createFlag = 1;
  
  db_multi_exec(
     "DELETE FROM ticket WHERE tkt_uuid=%Q", zTktUuid
  );
  db_prepare(&q, "SELECT rid FROM tagxref WHERE tagid=%d ORDER BY mtime",tagid);
  while( db_step(&q)==SQLITE_ROW ){
    int rid = db_column_int(&q, 0);
    pTicket = manifest_get(rid, CFTYPE_TICKET);
    if( pTicket ){
      ticket_insert(pTicket, createFlag, rid);
      manifest_ticket_event(rid, pTicket, createFlag, tagid);
      manifest_destroy(pTicket);
    }
    createFlag = 0;
  }
  db_finalize(&q);
}

/*
** Create the subscript interpreter and load the "common" code.
................................................................................
    "  FROM attachment, blob"
    " WHERE target=(SELECT substr(tagname,5) FROM tag WHERE tagid=%d)"
    "   AND blob.rid=attachid"
    " ORDER BY 1 DESC",
    tagid, tagid
  );
  while( db_step(&q)==SQLITE_ROW ){

    Manifest *pTicket;
    char zShort[12];
    const char *zDate = db_column_text(&q, 0);
    int rid = db_column_int(&q, 1);
    const char *zChngUuid = db_column_text(&q, 2);
    const char *zFile = db_column_text(&q, 4);
    memcpy(zShort, zChngUuid, 10);
    zShort[10] = 0;
................................................................................
        @ <p>Add attachment "%h(zFile)"
      }
      @ [<a href="%s(g.zTop)/artifact/%T(zChngUuid)">%s(zShort)</a>]
      @ (rid %d(rid)) by
      hyperlink_to_user(zUser,zDate," on");
      hyperlink_to_date(zDate, ".</p>");
    }else{
      pTicket = manifest_get(rid, CFTYPE_TICKET);
      if( pTicket ){
        @
        @ <p>Ticket change
        @ [<a href="%s(g.zTop)/artifact/%T(zChngUuid)">%s(zShort)</a>]
        @ (rid %d(rid)) by
        hyperlink_to_user(pTicket->zUser,zDate," on");
        hyperlink_to_date(zDate, ":");
        @ </p>
        ticket_output_change_artifact(pTicket);
      }
      manifest_destroy(pTicket);
    }
  }
  db_finalize(&q);
  style_footer();
}

/*

Changes to src/update.c. 

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*/
int historical_version_of_file(
  const char *revision,    /* The checkin containing the file */
  const char *file,        /* Full treename of the file */
  Blob *content,           /* Put the content here */
  int errCode              /* Error code if file not found.  Panic if 0. */
){
  Blob mfile;
  Manifest m;
  int i, rid=0;
  
  if( revision ){
    rid = name_to_rid(revision);
  }else{
    rid = db_lget_int("checkout", 0);
  }
  if( !is_a_version(rid) ){
    if( errCode>0 ) return errCode;
    fossil_fatal("no such checkin: %s", revision);
  }
  content_get(rid, &mfile);
  
  if( manifest_parse(&m, &mfile) ){
    for(i=0; i<m.nFile; i++){

      if( strcmp(m.aFile[i].zName, file)==0 ){
        rid = uuid_to_rid(m.aFile[i].zUuid, 0);
        manifest_clear(&m);
        return content_get(rid, content);
      }
    }
    manifest_clear(&m);
    if( errCode<=0 ){
      fossil_fatal("file %s does not exist in checkin: %s", file, revision);
    }
  }else if( errCode<=0 ){
    fossil_panic("could not parse manifest for checkin: %s", revision);
  }
  return errCode;








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*/
int historical_version_of_file(
  const char *revision,    /* The checkin containing the file */
  const char *file,        /* Full treename of the file */
  Blob *content,           /* Put the content here */
  int errCode              /* Error code if file not found.  Panic if 0. */
){
  Manifest *pManifest;
  ManifestFile *pFile;
  int rid=0;
  
  if( revision ){
    rid = name_to_rid(revision);
  }else{
    rid = db_lget_int("checkout", 0);
  }
  if( !is_a_version(rid) ){
    if( errCode>0 ) return errCode;
    fossil_fatal("no such checkin: %s", revision);
  }
  pManifest = manifest_get(rid, CFTYPE_MANIFEST);
  
  if( pManifest ){
    manifest_file_rewind(pManifest);
    while( (pFile = manifest_file_next(pManifest,0))!=0 ){
      if( strcmp(pFile->zName, file)==0 ){
        rid = uuid_to_rid(pFile->zUuid, 0);
        manifest_destroy(pManifest);
        return content_get(rid, content);
      }
    }
    manifest_destroy(pManifest);
    if( errCode<=0 ){
      fossil_fatal("file %s does not exist in checkin: %s", file, revision);
    }
  }else if( errCode<=0 ){
    fossil_panic("could not parse manifest for checkin: %s", revision);
  }
  return errCode;

Changes to src/vfile.c. 

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** file in manifest vid.  The file names are part of the checksum.
** Return the resulting checksum in blob pOut.
**
** If pManOut is not NULL then fill it with the checksum found in the
** "R" card near the end of the manifest.  
*/
void vfile_aggregate_checksum_manifest(int vid, Blob *pOut, Blob *pManOut){
  int i, fid;
  Blob file, mfile;
  Manifest m;

  char zBuf[100];

  blob_zero(pOut);
  if( pManOut ){
    blob_zero(pManOut);
  }
  db_must_be_within_tree();
  content_get(vid, &mfile);
  if( manifest_parse(&m, &mfile)==0 ){
    fossil_panic("manifest file (%d) is malformed", vid);
  }
  for(i=0; i<m.nFile; i++){

    fid = uuid_to_rid(m.aFile[i].zUuid, 0);
    md5sum_step_text(m.aFile[i].zName, -1);
    content_get(fid, &file);
    sprintf(zBuf, " %d\n", blob_size(&file));
    md5sum_step_text(zBuf, -1);
    md5sum_step_blob(&file);
    blob_reset(&file);
  }
  if( pManOut ){
    if( m.zRepoCksum ){
      blob_append(pManOut, m.zRepoCksum, -1);
    }else{
      blob_zero(pManOut);
    }
  }
  manifest_clear(&m);
  md5sum_finish(pOut);
}

/*
** COMMAND: test-agg-cksum
*/
void test_agg_cksum_cmd(void){








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** file in manifest vid.  The file names are part of the checksum.
** Return the resulting checksum in blob pOut.
**
** If pManOut is not NULL then fill it with the checksum found in the
** "R" card near the end of the manifest.  
*/
void vfile_aggregate_checksum_manifest(int vid, Blob *pOut, Blob *pManOut){
  int fid;
  Blob file;
  Manifest *pManifest;
  ManifestFile *pFile;
  char zBuf[100];

  blob_zero(pOut);
  if( pManOut ){
    blob_zero(pManOut);
  }
  db_must_be_within_tree();
  pManifest = manifest_get(vid, CFTYPE_MANIFEST);
  if( pManifest==0 ){
    fossil_panic("manifest file (%d) is malformed", vid);
  }
  manifest_file_rewind(pManifest);
  while( (pFile = manifest_file_next(pManifest,0))!=0 ){
    fid = uuid_to_rid(pFile->zUuid, 0);
    md5sum_step_text(pFile->zName, -1);
    content_get(fid, &file);
    sprintf(zBuf, " %d\n", blob_size(&file));
    md5sum_step_text(zBuf, -1);
    md5sum_step_blob(&file);
    blob_reset(&file);
  }
  if( pManOut ){
    if( pManifest->zRepoCksum ){
      blob_append(pManOut, pManifest->zRepoCksum, -1);
    }else{
      blob_zero(pManOut);
    }
  }
  manifest_destroy(pManifest);
  md5sum_finish(pOut);
}

/*
** COMMAND: test-agg-cksum
*/
void test_agg_cksum_cmd(void){

Changes to src/wiki.c. 

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** URL: /wiki?name=PAGENAME
*/
void wiki_page(void){
  char *zTag;
  int rid = 0;
  int isSandbox;
  Blob wiki;
  Manifest m;
  const char *zPageName;
  char *zBody = mprintf("%s","<i>Empty Page</i>");
  Stmt q;
  int cnt = 0;

  login_check_credentials();
  if( !g.okRdWiki ){ login_needed(); return; }
................................................................................
    zTag = mprintf("wiki-%s", zPageName);
    rid = db_int(0, 
      "SELECT rid FROM tagxref"
      " WHERE tagid=(SELECT tagid FROM tag WHERE tagname=%Q)"
      " ORDER BY mtime DESC", zTag
    );
    free(zTag);
    memset(&m, 0, sizeof(m));
    blob_zero(&m.content);
    if( rid ){
      Blob content;
      content_get(rid, &content);
      manifest_parse(&m, &content);
      if( m.type==CFTYPE_WIKI && m.zWiki ){
        while( fossil_isspace(m.zWiki[0]) ) m.zWiki++;
        if( m.zWiki[0] ) zBody = m.zWiki;
      }
    }
  }
  if( !g.isHome ){
    if( (rid && g.okWrWiki) || (!rid && g.okNewWiki) ){
      style_submenu_element("Edit", "Edit Wiki Page", "%s/wikiedit?name=%T",
           g.zTop, zPageName);
    }
................................................................................
    @ </li>
  }
  if( cnt ){
    @ </ul>
  }
  db_finalize(&q);
 
  if( !isSandbox ){
    manifest_clear(&m);
  }
  style_footer();
}

/*
** WEBPAGE: wikiedit
** URL: /wikiedit?name=PAGENAME
*/
void wikiedit_page(void){
  char *zTag;
  int rid = 0;
  int isSandbox;
  Blob wiki;
  Manifest m;
  const char *zPageName;
  char *zHtmlPageName;
  int n;
  const char *z;
  char *zBody = (char*)P("w");

  if( zBody ){
................................................................................
      " ORDER BY mtime DESC", zTag
    );
    free(zTag);
    if( (rid && !g.okWrWiki) || (!rid && !g.okNewWiki) ){
      login_needed();
      return;
    }
    memset(&m, 0, sizeof(m));
    blob_zero(&m.content);
    if( rid && zBody==0 ){
      Blob content;
      content_get(rid, &content);
      manifest_parse(&m, &content);
      if( m.type==CFTYPE_WIKI ){
        zBody = m.zWiki;
      }
    }
  }
  if( P("submit")!=0 && zBody!=0 ){
    char *zDate;
    Blob cksum;
    int nrid;
    blob_zero(&wiki);
................................................................................
  @ <textarea name="w" class="wikiedit" cols="80" 
  @  rows="%d(n)" wrap="virtual">%h(zBody)</textarea>
  @ <br />
  @ <input type="submit" name="preview" value="Preview Your Changes" />
  @ <input type="submit" name="submit" value="Apply These Changes" />
  @ <input type="submit" name="cancel" value="Cancel" />
  @ </div></form>
  if( !isSandbox ){
    manifest_clear(&m);
  }
  style_footer();
}

/*
** WEBPAGE: wikinew
** URL /wikinew
**
................................................................................
    return;
  }
  if( P("submit")!=0 && P("r")!=0 && P("u")!=0 ){
    char *zDate;
    Blob cksum;
    int nrid;
    Blob body;
    Blob content;
    Blob wiki;
    Manifest m;

    blob_zero(&body);
    if( isSandbox ){
      blob_appendf(&body, db_get("sandbox",""));
      appendRemark(&body);
      db_set("sandbox", blob_str(&body), 0);
    }else{
      login_verify_csrf_secret();
      content_get(rid, &content);
      manifest_parse(&m, &content);
      if( m.type==CFTYPE_WIKI ){
        blob_append(&body, m.zWiki, -1);

      }
      manifest_clear(&m);
      blob_zero(&wiki);
      db_begin_transaction();
      zDate = db_text(0, "SELECT datetime('now')");
      zDate[10] = 'T';
      blob_appendf(&wiki, "D %s\n", zDate);
      blob_appendf(&wiki, "L %F\n", zPageName);
      if( rid ){
................................................................................
**
** Show the difference between two wiki pages.
*/
void wdiff_page(void){
  char *zTitle;
  int rid1, rid2;
  const char *zPageName;
  Blob content1, content2;
  Manifest m1, m2;
  Blob w1, w2, d;

  login_check_credentials();
  rid1 = atoi(PD("a","0"));
  if( !g.okHistory ){ login_needed(); return; }
  if( rid1==0 ) fossil_redirect_home();
  rid2 = atoi(PD("b","0"));
................................................................................
      "SELECT objid FROM event JOIN tagxref ON objid=rid AND tagxref.tagid="
                        "(SELECT tagid FROM tag WHERE tagname='wiki-%q')"
      " WHERE event.mtime<(SELECT mtime FROM event WHERE objid=%d)"
      " ORDER BY event.mtime DESC LIMIT 1",
      zPageName, rid1
    );
  }
  content_get(rid1, &content1);
  manifest_parse(&m1, &content1);
  if( m1.type!=CFTYPE_WIKI ) fossil_redirect_home();
  blob_init(&w1, m1.zWiki, -1);
  blob_zero(&w2);
  if( rid2 ){
    content_get(rid2, &content2);
    manifest_parse(&m2, &content2);
    if( m2.type==CFTYPE_WIKI ){

      blob_init(&w2, m2.zWiki, -1);
    }
  }
  blob_zero(&d);
  text_diff(&w2, &w1, &d, 5, 1);
  @ <pre>
  @ %h(blob_str(&d))
  @ </pre>


  style_footer();
}

/*
** WEBPAGE: wcontent
**
**     all=1         Show deleted pages
................................................................................
  if( n==0 ){
    goto wiki_cmd_usage;
  }

  if( strncmp(g.argv[2],"export",n)==0 ){
    char const *zPageName;        /* Name of the wiki page to export */
    char const *zFile;            /* Name of the output file (0=stdout) */
    int rid;                /* Artifact ID of the wiki page */
    int i;                  /* Loop counter */
    char *zBody = 0;        /* Wiki page content */
    Manifest m;             /* Parsed wiki page content */

    if( (g.argc!=4) && (g.argc!=5) ){
      usage("export PAGENAME ?FILE?");
    }
    zPageName = g.argv[3];
    rid = db_int(0, "SELECT x.rid FROM tag t, tagxref x"
      " WHERE x.tagid=t.tagid AND t.tagname='wiki-%q'"
      " ORDER BY x.mtime DESC LIMIT 1",
      zPageName 
    );
    if( rid ){
      Blob content;
      content_get(rid, &content);
      manifest_parse(&m, &content);
      if( m.type==CFTYPE_WIKI ){
        zBody = m.zWiki;
      }
    }
    if( zBody==0 ){
      fossil_fatal("wiki page [%s] not found",zPageName);
    }
    for(i=strlen(zBody); i>0 && fossil_isspace(zBody[i-1]); i--){}
    zFile  = (g.argc==4) ? 0 : g.argv[4];
    if( zFile ){
................................................................................
      }
      if( ! zF ){
        fossil_fatal("wiki export could not open output file for writing.");
      }
      fprintf(zF,"%.*s\n", i, zBody);
      if( doClose ) fclose(zF);
    }else{
	printf("%.*s\n", i, zBody);
    }

    return;
  }else
  if( strncmp(g.argv[2],"commit",n)==0
      || strncmp(g.argv[2],"create",n)==0 ){
    char *zPageName;
    Blob content;
    if( g.argc!=4 && g.argc!=5 ){








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** URL: /wiki?name=PAGENAME
*/
void wiki_page(void){
  char *zTag;
  int rid = 0;
  int isSandbox;
  Blob wiki;
  Manifest *pWiki = 0;
  const char *zPageName;
  char *zBody = mprintf("%s","<i>Empty Page</i>");
  Stmt q;
  int cnt = 0;

  login_check_credentials();
  if( !g.okRdWiki ){ login_needed(); return; }
................................................................................
    zTag = mprintf("wiki-%s", zPageName);
    rid = db_int(0, 
      "SELECT rid FROM tagxref"
      " WHERE tagid=(SELECT tagid FROM tag WHERE tagname=%Q)"
      " ORDER BY mtime DESC", zTag
    );
    free(zTag);
    pWiki = manifest_get(rid, CFTYPE_WIKI);

    if( pWiki ){




      while( fossil_isspace(pWiki->zWiki[0]) ) pWiki->zWiki++;
      if( pWiki->zWiki[0] ) zBody = pWiki->zWiki;

    }
  }
  if( !g.isHome ){
    if( (rid && g.okWrWiki) || (!rid && g.okNewWiki) ){
      style_submenu_element("Edit", "Edit Wiki Page", "%s/wikiedit?name=%T",
           g.zTop, zPageName);
    }
................................................................................
    @ </li>
  }
  if( cnt ){
    @ </ul>
  }
  db_finalize(&q);
 

  manifest_destroy(pWiki);

  style_footer();
}

/*
** WEBPAGE: wikiedit
** URL: /wikiedit?name=PAGENAME
*/
void wikiedit_page(void){
  char *zTag;
  int rid = 0;
  int isSandbox;
  Blob wiki;
  Manifest *pWiki = 0;
  const char *zPageName;
  char *zHtmlPageName;
  int n;
  const char *z;
  char *zBody = (char*)P("w");

  if( zBody ){
................................................................................
      " ORDER BY mtime DESC", zTag
    );
    free(zTag);
    if( (rid && !g.okWrWiki) || (!rid && !g.okNewWiki) ){
      login_needed();
      return;
    }
    if( zBody==0 && (pWiki = manifest_get(rid, CFTYPE_WIKI))!=0 ){






      zBody = pWiki->zWiki;

    }
  }
  if( P("submit")!=0 && zBody!=0 ){
    char *zDate;
    Blob cksum;
    int nrid;
    blob_zero(&wiki);
................................................................................
  @ <textarea name="w" class="wikiedit" cols="80" 
  @  rows="%d(n)" wrap="virtual">%h(zBody)</textarea>
  @ <br />
  @ <input type="submit" name="preview" value="Preview Your Changes" />
  @ <input type="submit" name="submit" value="Apply These Changes" />
  @ <input type="submit" name="cancel" value="Cancel" />
  @ </div></form>

  manifest_destroy(pWiki);

  style_footer();
}

/*
** WEBPAGE: wikinew
** URL /wikinew
**
................................................................................
    return;
  }
  if( P("submit")!=0 && P("r")!=0 && P("u")!=0 ){
    char *zDate;
    Blob cksum;
    int nrid;
    Blob body;

    Blob wiki;
    Manifest *pWiki = 0;

    blob_zero(&body);
    if( isSandbox ){
      blob_appendf(&body, db_get("sandbox",""));
      appendRemark(&body);
      db_set("sandbox", blob_str(&body), 0);
    }else{
      login_verify_csrf_secret();
      pWiki = manifest_get(rid, CFTYPE_WIKI);
      if( pWiki ){

        blob_append(&body, pWiki->zWiki, -1);
        manifest_destroy(pWiki);
      }

      blob_zero(&wiki);
      db_begin_transaction();
      zDate = db_text(0, "SELECT datetime('now')");
      zDate[10] = 'T';
      blob_appendf(&wiki, "D %s\n", zDate);
      blob_appendf(&wiki, "L %F\n", zPageName);
      if( rid ){
................................................................................
**
** Show the difference between two wiki pages.
*/
void wdiff_page(void){
  char *zTitle;
  int rid1, rid2;
  const char *zPageName;

  Manifest *pW1, *pW2 = 0;
  Blob w1, w2, d;

  login_check_credentials();
  rid1 = atoi(PD("a","0"));
  if( !g.okHistory ){ login_needed(); return; }
  if( rid1==0 ) fossil_redirect_home();
  rid2 = atoi(PD("b","0"));
................................................................................
      "SELECT objid FROM event JOIN tagxref ON objid=rid AND tagxref.tagid="
                        "(SELECT tagid FROM tag WHERE tagname='wiki-%q')"
      " WHERE event.mtime<(SELECT mtime FROM event WHERE objid=%d)"
      " ORDER BY event.mtime DESC LIMIT 1",
      zPageName, rid1
    );
  }
  pW1 = manifest_get(rid1, CFTYPE_WIKI);

  if( pW1==0 ) fossil_redirect_home();
  blob_init(&w1, pW1->zWiki, -1);
  blob_zero(&w2);




  if( rid2 && (pW2 = manifest_get(rid2, CFTYPE_WIKI))!=0 ){
    blob_init(&w2, pW2->zWiki, -1);

  }
  blob_zero(&d);
  text_diff(&w2, &w1, &d, 5, 1);
  @ <pre>
  @ %h(blob_str(&d))
  @ </pre>
  manifest_destroy(pW1);
  manifest_destroy(pW2);
  style_footer();
}

/*
** WEBPAGE: wcontent
**
**     all=1         Show deleted pages
................................................................................
  if( n==0 ){
    goto wiki_cmd_usage;
  }

  if( strncmp(g.argv[2],"export",n)==0 ){
    char const *zPageName;        /* Name of the wiki page to export */
    char const *zFile;            /* Name of the output file (0=stdout) */
    int rid;                      /* Artifact ID of the wiki page */
    int i;                        /* Loop counter */
    char *zBody = 0;              /* Wiki page content */
    Manifest *pWiki = 0;          /* Parsed wiki page content */

    if( (g.argc!=4) && (g.argc!=5) ){
      usage("export PAGENAME ?FILE?");
    }
    zPageName = g.argv[3];
    rid = db_int(0, "SELECT x.rid FROM tag t, tagxref x"
      " WHERE x.tagid=t.tagid AND t.tagname='wiki-%q'"
      " ORDER BY x.mtime DESC LIMIT 1",
      zPageName 
    );
    if( (pWiki = manifest_get(rid, CFTYPE_WIKI))!=0 ){




      zBody = pWiki->zWiki;

    }
    if( zBody==0 ){
      fossil_fatal("wiki page [%s] not found",zPageName);
    }
    for(i=strlen(zBody); i>0 && fossil_isspace(zBody[i-1]); i--){}
    zFile  = (g.argc==4) ? 0 : g.argv[4];
    if( zFile ){
................................................................................
      }
      if( ! zF ){
        fossil_fatal("wiki export could not open output file for writing.");
      }
      fprintf(zF,"%.*s\n", i, zBody);
      if( doClose ) fclose(zF);
    }else{
      printf("%.*s\n", i, zBody);
    }
    manifest_destroy(pWiki);
    return;
  }else
  if( strncmp(g.argv[2],"commit",n)==0
      || strncmp(g.argv[2],"create",n)==0 ){
    char *zPageName;
    Blob content;
    if( g.argc!=4 && g.argc!=5 ){

Changes to src/zip.c. 

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** added to as part of the zip file. It may be 0 or an empty string,
** in which case it is ignored. The intention is to create a zip which
** politely expands into a subdir instead of filling your current dir
** with source files. For example, pass a UUID or "ProjectName".
**
*/
void zip_of_baseline(int rid, Blob *pZip, const char *zDir){
  int i;
  Blob mfile, file, hash;
  Manifest m;
  Blob filename;
  int nPrefix;
  
  content_get(rid, &mfile);
  if( blob_size(&mfile)==0 ){
    blob_zero(pZip);
    return;
................................................................................
  zip_open();

  if( zDir && zDir[0] ){
    blob_appendf(&filename, "%s/", zDir);
  }
  nPrefix = blob_size(&filename);

  if( manifest_parse(&m, &mfile) ){

    char *zName;
    zip_set_timedate(m.rDate);
    blob_append(&filename, "manifest", -1);
    zName = blob_str(&filename);
    zip_add_folders(zName);
    zip_add_file(zName, &file);
    sha1sum_blob(&file, &hash);
    blob_reset(&file);
    blob_append(&hash, "\n", 1);
    blob_resize(&filename, nPrefix);
    blob_append(&filename, "manifest.uuid", -1);
    zName = blob_str(&filename);
    zip_add_file(zName, &hash);
    blob_reset(&hash);
    for(i=0; i<m.nFile; i++){

      int fid = uuid_to_rid(m.aFile[i].zUuid, 0);
      if( fid ){
        content_get(fid, &file);
        blob_resize(&filename, nPrefix);
        blob_append(&filename, m.aFile[i].zName, -1);
        zName = blob_str(&filename);
        zip_add_folders(zName);
        zip_add_file(zName, &file);
        blob_reset(&file);
      }
    }
    manifest_clear(&m);
  }else{
    blob_reset(&mfile);
    blob_reset(&file);
  }

  blob_reset(&filename);
  zip_close(pZip);
}

/*
** COMMAND: zip
**








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<

<


>








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** added to as part of the zip file. It may be 0 or an empty string,
** in which case it is ignored. The intention is to create a zip which
** politely expands into a subdir instead of filling your current dir
** with source files. For example, pass a UUID or "ProjectName".
**
*/
void zip_of_baseline(int rid, Blob *pZip, const char *zDir){
  Blob mfile, file, hash;
  Manifest *pManifest;
  ManifestFile *pFile;
  Blob filename;
  int nPrefix;
  
  content_get(rid, &mfile);
  if( blob_size(&mfile)==0 ){
    blob_zero(pZip);
    return;
................................................................................
  zip_open();

  if( zDir && zDir[0] ){
    blob_appendf(&filename, "%s/", zDir);
  }
  nPrefix = blob_size(&filename);

  pManifest = manifest_new(&mfile);
  if( pManifest ){
    char *zName;
    zip_set_timedate(pManifest->rDate);
    blob_append(&filename, "manifest", -1);
    zName = blob_str(&filename);
    zip_add_folders(zName);
    zip_add_file(zName, &file);
    sha1sum_blob(&file, &hash);
    blob_reset(&file);
    blob_append(&hash, "\n", 1);
    blob_resize(&filename, nPrefix);
    blob_append(&filename, "manifest.uuid", -1);
    zName = blob_str(&filename);
    zip_add_file(zName, &hash);
    blob_reset(&hash);
    manifest_file_rewind(pManifest);
    while( (pFile = manifest_file_next(pManifest,0))!=0 ){
      int fid = uuid_to_rid(pFile->zUuid, 0);
      if( fid ){
        content_get(fid, &file);
        blob_resize(&filename, nPrefix);
        blob_append(&filename, pFile->zName, -1);
        zName = blob_str(&filename);
        zip_add_folders(zName);
        zip_add_file(zName, &file);
        blob_reset(&file);
      }
    }

  }else{

    blob_reset(&file);
  }
  manifest_destroy(pManifest);
  blob_reset(&filename);
  zip_close(pZip);
}

/*
** COMMAND: zip
**

This page was generated in about 0.039s by Fossil 2.10 [3e183bfad8] 2019-08-21 19:18:06