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Overview
Comment:Allow wiki pages with names like "branch/BRANCH", "checkin/HASH", and "tag/TAGNAME" to automatically link to displays of the corresponding branch, checkin, or tag.
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA3-256: 5602385493252ed8eb3358e19a8a6580c2ffdc9a4c0cfe318e7b798df63ba62f
User & Date: drh 2018-12-31 20:10:17
Context
2019-01-01
03:03
FreeBSD wants the same isspace() treatment from [ae62c08cbe] check-in: d3833209 user: bch tags: trunk
2018-12-31
20:10
Allow wiki pages with names like "branch/BRANCH", "checkin/HASH", and "tag/TAGNAME" to automatically link to displays of the corresponding branch, checkin, or tag. check-in: 56023854 user: drh tags: trunk
14:33
Do not allow edits to wiki pages associated with branches, checkins, or tags for users who do not also have checkin privileges. Closed-Leaf check-in: 60e8a08f user: drh tags: describe-objects-using-wiki
2018-12-30
23:28
Fix the action= on the Admin/Wiki setup page. check-in: 341a31c6 user: drh tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to src/doc.c.

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**
**       href="$ROOT/
**       action="$ROOT/
**
** Convert $ROOT to the root URI of the repository.  Allow ' in place of "
** and any case for href or action.
*/
static void convert_href_and_output(Blob *pIn){
  int i, base;
  int n = blob_size(pIn);
  char *z = blob_buffer(pIn);
  for(base=0, i=7; i<n; i++){
    if( z[i]=='$'
     && strncmp(&z[i],"$ROOT/", 6)==0
     && (z[i-1]=='\'' || z[i-1]=='"')







|







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**
**       href="$ROOT/
**       action="$ROOT/
**
** Convert $ROOT to the root URI of the repository.  Allow ' in place of "
** and any case for href or action.
*/
void convert_href_and_output(Blob *pIn){
  int i, base;
  int n = blob_size(pIn);
  char *z = blob_buffer(pIn);
  for(base=0, i=7; i<n; i++){
    if( z[i]=='$'
     && strncmp(&z[i],"$ROOT/", 6)==0
     && (z[i-1]=='\'' || z[i-1]=='"')

Changes to src/info.c.

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    int nUuid = db_column_bytes(&q1, 0);
    char *zEUser, *zEComment;
    const char *zUser;
    const char *zOrigUser;
    const char *zComment;
    const char *zDate;
    const char *zOrigDate;




    style_header("Check-in [%S]", zUuid);
    login_anonymous_available();
    zEUser = db_text(0,
                   "SELECT value FROM tagxref"
                   " WHERE tagid=%d AND rid=%d AND tagtype>0",
                    TAG_USER, rid);
    zEComment = db_text(0,
                   "SELECT value FROM tagxref WHERE tagid=%d AND rid=%d",
                   TAG_COMMENT, rid);



    zOrigUser = db_column_text(&q1, 2);
    zUser = zEUser ? zEUser : zOrigUser;
    zComment = db_column_text(&q1, 3);
    zDate = db_column_text(&q1,1);
    zOrigDate = db_column_text(&q1, 4);
    if( zOrigDate==0 ) zOrigDate = zDate;
    @ <div class="section">Overview</div>
................................................................................
    }
    db_prepare(&q2,"SELECT substr(tag.tagname,5) FROM tagxref, tag "
                   " WHERE rid=%d AND tagtype>0 "
                   "   AND tag.tagid=tagxref.tagid "
                   "   AND +tag.tagname GLOB 'sym-*'", rid);
    while( db_step(&q2)==SQLITE_ROW ){
      const char *zTagName = db_column_text(&q2, 0);

      @  | %z(href("%R/timeline?r=%T&unhide",zTagName))%h(zTagName)</a>











    }
    db_finalize(&q2);
    @ </td></tr>

    @ <tr><th>Files:</th>
    @   <td>
    @     %z(href("%R/tree?ci=%!S",zUuid))files</a>
................................................................................
        const char *zDate = db_column_text(&q2, 2);
        if( zUser==0 || zUser[0]==0 ) zUser = "unknown";
        @ <tr><th>Received&nbsp;From:</th>
        @ <td>%h(zUser) @ %h(zIpAddr) on %s(zDate)</td></tr>
      }
      db_finalize(&q2);
    }


















    if( g.perm.Hyperlink ){
      @ <tr><th>Other&nbsp;Links:</th>
      @   <td>
      @   %z(href("%R/artifact/%!S",zUuid))manifest</a>
      @ | %z(href("%R/ci_tags/%!S",zUuid))tags</a>
      if( g.perm.Admin ){
        @   | %z(href("%R/mlink?ci=%!S",zUuid))mlink table</a>
................................................................................
      if( g.anon.Write ){
        @   | %z(href("%R/ci_edit?r=%!S",zUuid))edit</a>
      }
      @   </td>
      @ </tr>
    }
    @ </table>

  }else{
    style_header("Check-in Information");
    login_anonymous_available();
  }
  db_finalize(&q1);



  render_backlink_graph(zUuid, "<div class=\"section\">References</div>\n");
  @ <div class="section">Context</div>
  render_checkin_context(rid, 0);
  @ <div class="section">Changes</div>
  @ <div class="sectionmenu">
  diffFlags = construct_diff_flags(diffType);
  zW = (diffFlags&DIFF_IGNORE_ALLWS)?"&w":"";







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    int nUuid = db_column_bytes(&q1, 0);
    char *zEUser, *zEComment;
    const char *zUser;
    const char *zOrigUser;
    const char *zComment;
    const char *zDate;
    const char *zOrigDate;
    const char *zBrName;
    int okWiki = 0;
    Blob wiki_links = BLOB_INITIALIZER;

    style_header("Check-in [%S]", zUuid);
    login_anonymous_available();
    zEUser = db_text(0,
                   "SELECT value FROM tagxref"
                   " WHERE tagid=%d AND rid=%d AND tagtype>0",
                    TAG_USER, rid);
    zEComment = db_text(0,
                   "SELECT value FROM tagxref WHERE tagid=%d AND rid=%d",
                   TAG_COMMENT, rid);
    zBrName = db_text(0,
                   "SELECT value FROM tagxref WHERE tagid=%d AND rid=%d",
                   TAG_BRANCH, rid);
    zOrigUser = db_column_text(&q1, 2);
    zUser = zEUser ? zEUser : zOrigUser;
    zComment = db_column_text(&q1, 3);
    zDate = db_column_text(&q1,1);
    zOrigDate = db_column_text(&q1, 4);
    if( zOrigDate==0 ) zOrigDate = zDate;
    @ <div class="section">Overview</div>
................................................................................
    }
    db_prepare(&q2,"SELECT substr(tag.tagname,5) FROM tagxref, tag "
                   " WHERE rid=%d AND tagtype>0 "
                   "   AND tag.tagid=tagxref.tagid "
                   "   AND +tag.tagname GLOB 'sym-*'", rid);
    while( db_step(&q2)==SQLITE_ROW ){
      const char *zTagName = db_column_text(&q2, 0);
      if( fossil_strcmp(zTagName,zBrName)==0 ){
        @  | %z(href("%R/timeline?r=%T&unhide",zTagName))%h(zTagName)</a>
        if( g.perm.Write || wiki_tagid2("branch",zTagName)!=0 ){
          blob_appendf(&wiki_links, " | %z%h</a>",
              href("%R/wiki?name=branch/%h",zTagName), zTagName);
        }
      }else{
        @  | %z(href("%R/timeline?t=%T&unhide",zTagName))%h(zTagName)</a>
        if( g.perm.Write || wiki_tagid2("tag",zTagName)!=0 ){
          blob_appendf(&wiki_links, " | %z%h</a>",
              href("%R/wiki?name=tag/%h",zTagName), zTagName);
        }
      }
    }
    db_finalize(&q2);
    @ </td></tr>

    @ <tr><th>Files:</th>
    @   <td>
    @     %z(href("%R/tree?ci=%!S",zUuid))files</a>
................................................................................
        const char *zDate = db_column_text(&q2, 2);
        if( zUser==0 || zUser[0]==0 ) zUser = "unknown";
        @ <tr><th>Received&nbsp;From:</th>
        @ <td>%h(zUser) @ %h(zIpAddr) on %s(zDate)</td></tr>
      }
      db_finalize(&q2);
    }

    /* Only show links to wiki pages if the users can read wiki,
    ** and only if the wiki pages already exist or the user has the
    ** ability to create new ones. */
    if( g.perm.RdWiki
     && (g.perm.Write || blob_size(&wiki_links)>0
           || (okWiki = wiki_tagid2("checkin",zUuid))!=0)
     && db_get_boolean("wiki-about",1)
    ){
      const char *zLinks = blob_str(&wiki_links);
      if( zLinks[0] ) zLinks += 3;
      @ <tr><th>Wiki:</th><td>\
      if( g.perm.Write || okWiki ){
        @ %z(href("%R/wiki?name=checkin/%s",zUuid))this checkin</a> | \
      }
      @ %s(zLinks)</td></tr>
    }

    if( g.perm.Hyperlink ){
      @ <tr><th>Other&nbsp;Links:</th>
      @   <td>
      @   %z(href("%R/artifact/%!S",zUuid))manifest</a>
      @ | %z(href("%R/ci_tags/%!S",zUuid))tags</a>
      if( g.perm.Admin ){
        @   | %z(href("%R/mlink?ci=%!S",zUuid))mlink table</a>
................................................................................
      if( g.anon.Write ){
        @   | %z(href("%R/ci_edit?r=%!S",zUuid))edit</a>
      }
      @   </td>
      @ </tr>
    }
    @ </table>
    blob_reset(&wiki_links);
  }else{
    style_header("Check-in Information");
    login_anonymous_available();
  }
  db_finalize(&q1);
  if( !PB("nowiki") ){
    wiki_render_associated("checkin", zUuid, 0);
  }
  render_backlink_graph(zUuid, "<div class=\"section\">References</div>\n");
  @ <div class="section">Context</div>
  render_checkin_context(rid, 0);
  @ <div class="section">Changes</div>
  @ <div class="sectionmenu">
  diffFlags = construct_diff_flags(diffType);
  zW = (diffFlags&DIFF_IGNORE_ALLWS)?"&w":"";

Changes to src/setup.c.

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  }

  style_header("Wiki Configuration");
  db_begin_transaction();
  @ <form action="%s(g.zTop)/setup_wiki" method="post"><div>
  login_insert_csrf_secret();
  @ <input type="submit"  name="submit" value="Apply Changes" /></p>














  @ <hr />
  onoff_attribute("Enable WYSIWYG Wiki Editing",
                  "wysiwyg-wiki", "wysiwyg-wiki", 0, 0);
  @ <p>Enable what-you-see-is-what-you-get (WYSIWYG) editing of wiki pages.
  @ The WYSIWYG editor generates HTML instead of markup, which makes
  @ subsequent manual editing more difficult.
  @ (Property: "wysiwyg-wiki")</p>







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  }

  style_header("Wiki Configuration");
  db_begin_transaction();
  @ <form action="%s(g.zTop)/setup_wiki" method="post"><div>
  login_insert_csrf_secret();
  @ <input type="submit"  name="submit" value="Apply Changes" /></p>
  @ <hr />
  onoff_attribute("Associate Wiki Pages With Branches, Tags, or Checkins",
                  "wiki-about", "wiki-about", 1, 0);
  @ <p>
  @ Associate wiki pages with branches, tags, or checkins, based on
  @ the wiki page name.  Wiki pages that begin with "branch/", "checkin/"
  @ or "tag/" and which continue with the name of an existing branch, checkin
  @ or tag are treated specially when this feature is enabled.
  @ <ul>
  @ <li> <b>branch/</b><i>branch-name</i>
  @ <li> <b>checkin/</b><i>full-checkin-hash</i>
  @ <li> <b>tag/</b><i>tag-name</i>
  @ </ul>
  @ (Property: "wiki-about")</p>
  @ <hr />
  onoff_attribute("Enable WYSIWYG Wiki Editing",
                  "wysiwyg-wiki", "wysiwyg-wiki", 0, 0);
  @ <p>Enable what-you-see-is-what-you-get (WYSIWYG) editing of wiki pages.
  @ The WYSIWYG editor generates HTML instead of markup, which makes
  @ subsequent manual editing more difficult.
  @ (Property: "wysiwyg-wiki")</p>

Changes to src/timeline.c.

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**    p=CHECKIN       Parents and ancestors of CHECKIN
**    d=CHECKIN       Children and descendants of CHECKIN
**    dp=CHECKIN      The same as d=CHECKIN&p=CHECKIN
**    t=TAG           Show only check-ins with the given TAG
**    r=TAG           Show check-ins related to TAG, equivalent to t=TAG&rel
**    rel             Show related check-ins as well as those matching t=TAG
**    mionly          Limit rel to show ancestors but not descendants

**    ms=MATCHSTYLE   Set tag match style to EXACT, GLOB, LIKE, REGEXP
**    u=USER          Only show items associated with USER
**    y=TYPE          'ci', 'w', 't', 'e', 'f', or 'all'.
**    ss=VIEWSTYLE    c: "Compact"  v: "Verbose"   m: "Modern"  j: "Columnar"
**    advm            Use the "Advanced" or "Busy" menu design.
**    ng              No Graph.
**    ncp             Omit cherrypick merges
................................................................................
**    uf=FILE_HASH    Show only check-ins that contain the given file version
**    chng=GLOBLIST   Show only check-ins that involve changes to a file whose
**                      name matches one of the comma-separate GLOBLIST
**    brbg            Background color from branch name
**    ubg             Background color from user
**    namechng        Show only check-ins that have filename changes
**    forks           Show only forks and their children

**    ym=YYYY-MM      Show only events for the given year/month
**    yw=YYYY-WW      Show only events for the given week of the given year
**    yw=YYYY-MM-DD   Show events for the week that includes the given day
**    ymd=YYYY-MM-DD  Show only events on the given day
**    days=N          Show events over the previous N days
**    datefmt=N       Override the date format
**    bisect          Show the check-ins that are in the current bisect
**    showid          Show RIDs
**    showsql         Show the SQL text
**    cherrypicks     Show all cherrypicks
**
** p= and d= can appear individually or together.  If either p= or d=
** appear, then u=, y=, a=, and b= are ignored.
**
** If both a= and b= appear then both upper and lower bounds are honored.
**
** CHECKIN or TIMEORTAG can be a check-in hash prefix, or a tag, or the
................................................................................
    if( r>0.0 ) selectedRid = timeline_add_divider(r);
  }
  blob_zero(&sql);
  db_prepare(&q, "SELECT * FROM timeline ORDER BY sortby DESC /*scan*/");
  if( fossil_islower(desc.aData[0]) ){
    desc.aData[0] = fossil_toupper(desc.aData[0]);
  }















  @ <h2>%b(&desc)</h2>

  blob_reset(&desc);

  /* Report any errors. */
  if( zError ){
    @ <p class="generalError">%h(zError)</p>
  }








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**    p=CHECKIN       Parents and ancestors of CHECKIN
**    d=CHECKIN       Children and descendants of CHECKIN
**    dp=CHECKIN      The same as d=CHECKIN&p=CHECKIN
**    t=TAG           Show only check-ins with the given TAG
**    r=TAG           Show check-ins related to TAG, equivalent to t=TAG&rel
**    rel             Show related check-ins as well as those matching t=TAG
**    mionly          Limit rel to show ancestors but not descendants
**    nowiki          Do not show wiki associated with branch or tag
**    ms=MATCHSTYLE   Set tag match style to EXACT, GLOB, LIKE, REGEXP
**    u=USER          Only show items associated with USER
**    y=TYPE          'ci', 'w', 't', 'e', 'f', or 'all'.
**    ss=VIEWSTYLE    c: "Compact"  v: "Verbose"   m: "Modern"  j: "Columnar"
**    advm            Use the "Advanced" or "Busy" menu design.
**    ng              No Graph.
**    ncp             Omit cherrypick merges
................................................................................
**    uf=FILE_HASH    Show only check-ins that contain the given file version
**    chng=GLOBLIST   Show only check-ins that involve changes to a file whose
**                      name matches one of the comma-separate GLOBLIST
**    brbg            Background color from branch name
**    ubg             Background color from user
**    namechng        Show only check-ins that have filename changes
**    forks           Show only forks and their children
**    cherrypicks     Show all cherrypicks
**    ym=YYYY-MM      Show only events for the given year/month
**    yw=YYYY-WW      Show only events for the given week of the given year
**    yw=YYYY-MM-DD   Show events for the week that includes the given day
**    ymd=YYYY-MM-DD  Show only events on the given day
**    days=N          Show events over the previous N days
**    datefmt=N       Override the date format
**    bisect          Show the check-ins that are in the current bisect
**    showid          Show RIDs
**    showsql         Show the SQL text

**
** p= and d= can appear individually or together.  If either p= or d=
** appear, then u=, y=, a=, and b= are ignored.
**
** If both a= and b= appear then both upper and lower bounds are honored.
**
** CHECKIN or TIMEORTAG can be a check-in hash prefix, or a tag, or the
................................................................................
    if( r>0.0 ) selectedRid = timeline_add_divider(r);
  }
  blob_zero(&sql);
  db_prepare(&q, "SELECT * FROM timeline ORDER BY sortby DESC /*scan*/");
  if( fossil_islower(desc.aData[0]) ){
    desc.aData[0] = fossil_toupper(desc.aData[0]);
  }
  if( zBrName
   && !PB("nowiki")
   && wiki_render_associated("branch", zBrName, 
                             WIKIASSOC_FULL_TITLE|WIKIASSOC_MENU)
  ){
    @ <div class="section">%b(&desc)</div>
  }else
  if( zTagName
   && matchStyle==MS_EXACT
   && !PB("nowiki")
   && wiki_render_associated("tag", zTagName,
                             WIKIASSOC_FULL_TITLE|WIKIASSOC_MENU)
  ){
    @ <div class="section">%b(&desc)</div>
  } else{
    @ <h2>%b(&desc)</h2>
  }
  blob_reset(&desc);

  /* Report any errors. */
  if( zError ){
    @ <p class="generalError">%h(zError)</p>
  }

Changes to src/wiki.c.

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/*
** Return the tagid associated with a particular wiki page.
*/
int wiki_tagid(const char *zPageName){
  return db_int(0, "SELECT tagid FROM tag WHERE tagname='wiki-%q'",zPageName);
}





/*
** Return the RID of the next or previous version of a wiki page.  
** Return 0 if rid is the last/first version.
*/
int wiki_next(int tagid, double mtime){
  return db_int(0,
................................................................................
void wiki_srchpage(void){
  login_check_credentials();
  style_header("Wiki Search");
  wiki_standard_submenu(W_HELP|W_LIST|W_SANDBOX);
  search_screen(SRCH_WIKI, 0);
  style_footer();
}

















































/*
** WEBPAGE: wiki
** URL: /wiki?name=PAGENAME
*/
void wiki_page(void){
  char *zTag;
................................................................................
    if( pWiki ){
      zBody = pWiki->zWiki;
      zMimetype = pWiki->zMimetype;
    }
  }
  zMimetype = wiki_filter_mimetypes(zMimetype);
  if( !g.isHome ){
    if( (rid && g.perm.WrWiki) || (!rid && g.perm.NewWiki) ){


      if( db_get_boolean("wysiwyg-wiki", 0) ){
        style_submenu_element("Edit", "%s/wikiedit?name=%T&wysiwyg=1",
             g.zTop, zPageName);
      }else{
        style_submenu_element("Edit", "%s/wikiedit?name=%T", g.zTop, zPageName);
      }
    }
    if( g.perm.Hyperlink ){
      style_submenu_element("History", "%s/whistory?name=%T",
           g.zTop, zPageName);
    }
  }
  style_set_current_page("%T?name=%T", g.zPath, zPageName);
  style_header("%s", zPageName);
  wiki_standard_submenu(submenuFlags);
  if( zBody[0]==0 ){
    @ <i>This page has been deleted</i>
  }else{
    blob_init(&wiki, zBody, -1);
    wiki_render_by_mimetype(&wiki, zMimetype);
    blob_reset(&wiki);
................................................................................
    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);




    if( (rid && !g.perm.WrWiki) || (!rid && !g.perm.NewWiki) ){
      login_needed(rid ? g.anon.WrWiki : g.anon.NewWiki);
      return;
    }
    if( zBody==0 && (pWiki = manifest_get(rid, CFTYPE_WIKI, 0))!=0 ){
      zBody = pWiki->zWiki;
      zMimetype = pWiki->zMimetype;
................................................................................
    cgi_redirectf("wiki?name=%T", zPageName);
    return;
  }
  if( zBody==0 ){
    zBody = mprintf("<i>Empty Page</i>");
  }
  style_set_current_page("%T?name=%T", g.zPath, zPageName);
  style_header("Edit: %s", zPageName);
  if( rid && !isSandbox && g.perm.ApndWiki ){
    if( g.perm.Attach ){
      style_submenu_element("Attach",
           "%s/attachadd?page=%T&from=%s/wiki%%3fname=%T",
           g.zTop, zPageName, g.zTop, zPageName);
    }
    style_submenu_element("Append", "%s/wikiappend?name=%T&mimetype=%s",
................................................................................
    const char *zWName = db_column_text(&q, 0);
    const char *zSort = db_column_text(&q, 1);
    int wrid = db_column_int(&q, 2);
    double rWmtime = db_column_double(&q, 3);
    sqlite3_int64 iMtime = (sqlite3_int64)(rWmtime*86400.0);
    char *zAge;
    int wcnt = db_column_int(&q, 4);







    if( wrid==0 ){
      if( !showAll ) continue;
      @ <tr><td data-sortkey="%h(zSort)">\
      @ %z(href("%R/whistory?name=%T",zWName))<s>%h(zWName)</s></a></td>
    }else{
      @ <tr><td data=sortkey='%h(zSort)">\
      @ %z(href("%R/wiki?name=%T",zWName))%h(zWName)</a></td>
    }
    zAge = human_readable_age(rNow - rWmtime);
    @ <td data-sortkey="%016llx(iMtime)">%s(zAge)</td>
    fossil_free(zAge);
    @ <td>%z(href("%R/whistory?name=%T",zWName))%d(wcnt)</a></td>
    if( showRid ){
      @ <td>%d(wrid)</td>
    }
    @ </tr>

  }
  @ </tbody></table></div>
  db_finalize(&q);
  style_table_sorter();
  style_footer();
}

................................................................................
  verify_all_options();
  if( g.argc!=3 ) usage("FILE");
  blob_zero(&out);
  blob_read_from_file(&in, g.argv[2], ExtFILE);
  markdown_to_html(&in, 0, &out);
  blob_write_to_file(&out, "-");
}




















































































































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/*
** Return the tagid associated with a particular wiki page.
*/
int wiki_tagid(const char *zPageName){
  return db_int(0, "SELECT tagid FROM tag WHERE tagname='wiki-%q'",zPageName);
}
int wiki_tagid2(const char *zPrefix, const char *zPageName){
  return db_int(0, "SELECT tagid FROM tag WHERE tagname='wiki-%q/%q'",
                zPrefix, zPageName);
}

/*
** Return the RID of the next or previous version of a wiki page.  
** Return 0 if rid is the last/first version.
*/
int wiki_next(int tagid, double mtime){
  return db_int(0,
................................................................................
void wiki_srchpage(void){
  login_check_credentials();
  style_header("Wiki Search");
  wiki_standard_submenu(W_HELP|W_LIST|W_SANDBOX);
  search_screen(SRCH_WIKI, 0);
  style_footer();
}

/*
** Add an appropriate style_header() for either the /wiki or /wikiedit page
** for zPageName.
*/
static void wiki_page_header(const char *zPageName, const char *zExtra){
  if( db_get_boolean("wiki-about",1)==0 ){
    style_header("%s%s", zExtra, zPageName);
  }else
  if( sqlite3_strglob("checkin/*", zPageName)==0 
   && db_exists("SELECT 1 FROM blob WHERE uuid=%Q",zPageName+8)
  ){
    style_header("Notes About Checkin %S", zPageName + 8);
    style_submenu_element("Checkin Timeline","%R/timeline?f=%s",zPageName + 8);
    style_submenu_element("Checkin Info","%R/info/%s",zPageName + 8);
  }else
  if( sqlite3_strglob("branch/*", zPageName)==0 ){
    style_header("Notes About Branch %h", zPageName + 7);
    style_submenu_element("Branch Timeline","%R/timeline?r=%t",zPageName + 7);
  }else
  if( sqlite3_strglob("tag/*", zPageName)==0 ){
    style_header("Notes About Tag %h", zPageName + 4);
    style_submenu_element("Tag Timeline","%R/timeline?t=%t",zPageName + 4);
  }
  else{
    style_header("%s%s", zExtra, zPageName);
  }
}

/*
** Wiki pages with special names "branch/...", "checkin/...", and "tag/..."
** requires perm.Write privilege in addition to perm.WrWiki in order
** to write.  This function determines whether the extra perm.Write
** is required and available.  Return true if writing to the wiki page
** may proceed, and return false if permission is lacking.
*/
static int wiki_special_permission(const char *zPageName){
  if( strncmp(zPageName,"branch/",7)!=0
   && strncmp(zPageName,"checkin/",8)!=0
   && strncmp(zPageName,"tag/",4)!=0
  ){
    return 1;
  }
  if( db_get_boolean("wiki-about",1)==0 ){
    return 1;
  }
  return g.perm.Write;
}

/*
** WEBPAGE: wiki
** URL: /wiki?name=PAGENAME
*/
void wiki_page(void){
  char *zTag;
................................................................................
    if( pWiki ){
      zBody = pWiki->zWiki;
      zMimetype = pWiki->zMimetype;
    }
  }
  zMimetype = wiki_filter_mimetypes(zMimetype);
  if( !g.isHome ){
    if( ((rid && g.perm.WrWiki) || (!rid && g.perm.NewWiki))
     && wiki_special_permission(zPageName)
    ){
      if( db_get_boolean("wysiwyg-wiki", 0) ){
        style_submenu_element("Edit", "%s/wikiedit?name=%T&wysiwyg=1",
             g.zTop, zPageName);
      }else{
        style_submenu_element("Edit", "%s/wikiedit?name=%T", g.zTop, zPageName);
      }
    }
    if( g.perm.Hyperlink ){
      style_submenu_element("History", "%s/whistory?name=%T",
           g.zTop, zPageName);
    }
  }
  style_set_current_page("%T?name=%T", g.zPath, zPageName);
  wiki_page_header(zPageName, "");
  wiki_standard_submenu(submenuFlags);
  if( zBody[0]==0 ){
    @ <i>This page has been deleted</i>
  }else{
    blob_init(&wiki, zBody, -1);
    wiki_render_by_mimetype(&wiki, zMimetype);
    blob_reset(&wiki);
................................................................................
    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);
    if( !wiki_special_permission(zPageName) ){
      login_needed(0);
      return;
    }
    if( (rid && !g.perm.WrWiki) || (!rid && !g.perm.NewWiki) ){
      login_needed(rid ? g.anon.WrWiki : g.anon.NewWiki);
      return;
    }
    if( zBody==0 && (pWiki = manifest_get(rid, CFTYPE_WIKI, 0))!=0 ){
      zBody = pWiki->zWiki;
      zMimetype = pWiki->zMimetype;
................................................................................
    cgi_redirectf("wiki?name=%T", zPageName);
    return;
  }
  if( zBody==0 ){
    zBody = mprintf("<i>Empty Page</i>");
  }
  style_set_current_page("%T?name=%T", g.zPath, zPageName);
  wiki_page_header(zPageName, "Edit: ");
  if( rid && !isSandbox && g.perm.ApndWiki ){
    if( g.perm.Attach ){
      style_submenu_element("Attach",
           "%s/attachadd?page=%T&from=%s/wiki%%3fname=%T",
           g.zTop, zPageName, g.zTop, zPageName);
    }
    style_submenu_element("Append", "%s/wikiappend?name=%T&mimetype=%s",
................................................................................
    const char *zWName = db_column_text(&q, 0);
    const char *zSort = db_column_text(&q, 1);
    int wrid = db_column_int(&q, 2);
    double rWmtime = db_column_double(&q, 3);
    sqlite3_int64 iMtime = (sqlite3_int64)(rWmtime*86400.0);
    char *zAge;
    int wcnt = db_column_int(&q, 4);
    char *zWDisplayName;

    if( sqlite3_strglob("checkin/*", zWName)==0 ){
      zWDisplayName = mprintf("%.25s...", zWName);
    }else{
      zWDisplayName = mprintf("%s", zWName);
    }
    if( wrid==0 ){
      if( !showAll ) continue;
      @ <tr><td data-sortkey="%h(zSort)">\
      @ %z(href("%R/whistory?name=%T",zWName))<s>%h(zWDisplayName)</s></a></td>
    }else{
      @ <tr><td data=sortkey='%h(zSort)">\
      @ %z(href("%R/wiki?name=%T",zWName))%h(zWDisplayName)</a></td>
    }
    zAge = human_readable_age(rNow - rWmtime);
    @ <td data-sortkey="%016llx(iMtime)">%s(zAge)</td>
    fossil_free(zAge);
    @ <td>%z(href("%R/whistory?name=%T",zWName))%d(wcnt)</a></td>
    if( showRid ){
      @ <td>%d(wrid)</td>
    }
    @ </tr>
    fossil_free(zWDisplayName);
  }
  @ </tbody></table></div>
  db_finalize(&q);
  style_table_sorter();
  style_footer();
}

................................................................................
  verify_all_options();
  if( g.argc!=3 ) usage("FILE");
  blob_zero(&out);
  blob_read_from_file(&in, g.argv[2], ExtFILE);
  markdown_to_html(&in, 0, &out);
  blob_write_to_file(&out, "-");
}

/*
** Allowed flags for wiki_render_associated
*/
#if INTERFACE
#define WIKIASSOC_FULL_TITLE  0x00001   /* Full title */
#define WIKIASSOC_MENU        0x00002   /* Add a submenu to the About section */
#endif

/*
** Show the default Section label for an associated wiki page.
*/
static void wiki_section_label(
  const char *zPrefix,   /* "branch", "tag", or "checkin" */
  const char *zName,     /* Name of the object */
  unsigned int mFlags    /* Zero or more WIKIASSOC_* flags */
){
  if( (mFlags & WIKIASSOC_FULL_TITLE)==0 ){
    @ <div class="section">About</div>
  }else if( zPrefix[0]=='c' ){  /* checkin/... */
    @ <div class="section">About checkin %.20h(zName)</div>
  }else{
    @ <div class="section">About %s(zPrefix) %h(zName)</div>
  }
}

/*
** Add an "Wiki" button in a submenu for a Wiki page.
*/
static void wiki_section_menu(
  const char *zPrefix,   /* "branch", "tag", or "checkin" */
  const char *zName,     /* Name of the object */
  unsigned int mFlags    /* Zero or more WIKIASSOC_* flags */
){
  if( g.perm.WrWiki && (mFlags & WIKIASSOC_MENU)!=0 ){
    style_submenu_element("Wiki", "%R/wiki?name=%s/%t", zPrefix, zName);
  }
}

/*
** Check to see if there exists a wiki page with a name zPrefix/zName.
** If there is, then render a <div class='section'>..</div> and
** return true.
**
** If there is no such wiki page, return false.
*/
int wiki_render_associated(
  const char *zPrefix,   /* "branch", "tag", or "checkin" */
  const char *zName,     /* Name of the object */
  unsigned int mFlags    /* Zero or more WIKIASSOC_* flags */
){
  int rid;
  Manifest *pWiki;
  if( !db_get_boolean("wiki-about",1) ) return 0;
  rid = db_int(0,
    "SELECT rid FROM tagxref"
    " WHERE tagid=(SELECT tagid FROM tag WHERE tagname='wiki-%q/%q')"
    " ORDER BY mtime DESC LIMIT 1",
    zPrefix, zName
  );
  if( rid==0 ) return 0;
  pWiki = manifest_get(rid, CFTYPE_WIKI, 0);
  if( pWiki==0 ) return 0;
  if( fossil_strcmp(pWiki->zMimetype, "text/x-markdown")==0 ){
    Blob tail = BLOB_INITIALIZER;
    Blob title = BLOB_INITIALIZER;
    Blob markdown;
    blob_init(&markdown, pWiki->zWiki, -1);
    markdown_to_html(&markdown, &title, &tail);
    if( blob_size(&title) ){
      @ <div class="section">%h(blob_str(&title))</div>
    }else{
      wiki_section_label(zPrefix, zName, mFlags);
    }
    wiki_section_menu(zPrefix, zName, mFlags);
    convert_href_and_output(&tail);
    blob_reset(&tail);
    blob_reset(&title);
    blob_reset(&markdown);
  }else if( fossil_strcmp(pWiki->zMimetype, "text/plain")==0 ){
    wiki_section_label(zPrefix, zName, mFlags);
    wiki_section_menu(zPrefix, zName, mFlags);
    @ <pre>
    @ %h(pWiki->zWiki)
    @ </pre>
  }else{
    Blob tail = BLOB_INITIALIZER;
    Blob title = BLOB_INITIALIZER;
    Blob wiki;
    Blob *pBody;
    blob_init(&wiki, pWiki->zWiki, -1);
    if( wiki_find_title(&wiki, &title, &tail) ){
      @ <div class="section">%h(blob_str(&title))</div>
      pBody = &tail;
    }else{
      wiki_section_label(zPrefix, zName, mFlags);
      pBody = &wiki;
    }
    wiki_section_menu(zPrefix, zName, mFlags);
    @ <div class="wiki">
    wiki_convert(pBody, 0, WIKI_BUTTONS);
    @ </div>
    blob_reset(&tail);
    blob_reset(&title);
    blob_reset(&wiki);
  }
  manifest_destroy(pWiki);
  return 1;
}