Fossil

/*
** Copyright (c) 2007 D. Richard Hipp

**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public
** License version 2 as published by the Free Software Foundation.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
................................................................................
  @ disables all wiki formatting rules through the matching
  @ </nowiki> element.
  @ </ol>
  style_footer();
}

/*
**  wiki_cmd_commit() is the implementation of "wiki commit ...".
**
** As arguments it expects:
**
** zPageName = the wiki entry's name.
**
** rid = record ID for the zPageName entry. This func SHOULD deduce
** this from zPageName, but the code which calls this func already has
** the rid, so we pass it along here. If it does not match the entry
** for zPageName then Undefined Behaviour.
**
** in = input file. The file is read until EOF but is not closed
** by this function (it might be stdin!).
**
** Returns 0 on error, non-zero on success.
**
** TODOs:
** - take EITHER zPageName OR rid. We don't need both.
** - make use of the return value. Add more error checking.
** - give the uuid back to the caller so it can be shown
**   in the status output. ("committed version XXXXX of page ...")


*/
int wiki_cmd_commit( char const * zPageName, int rid, FILE * in )
{
  Blob wiki;              /* Wiki page content */
  Blob content;           /* read-in content */
  Blob cksum;             /* wiki checksum */

  int nrid;               /* not really sure */
  char * zDate;           /* timestamp */
  char * zUuid;           /* uuid for rid */











  blob_read_from_channel( &content, in, -1 );
  // ^^^ Reminder: we should allow empty (zero-byte) entries, so don't exit
  // if read returns 0.
  blob_zero(&wiki);
  zDate = db_text(0, "SELECT datetime('now')");
  zDate[10] = 'T';
  blob_appendf(&wiki, "D %s\n", zDate);
................................................................................
      fossil_fatal("wiki page [%s] not found",zPageName);
    }
    for(i=strlen(zBody); i>0 && isspace(zBody[i-1]); i--){}
    printf("%.*s\n", i, zBody);
    return;
  }else
  if( strncmp(g.argv[2],"commit",n)==0 ){
    int rid;
    char *zPageName;
    if( g.argc!=4 ){
      usage("commit PAGENAME");
    }
    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 ){
        fossil_fatal("wiki commit NewEntry not yet implemented.");
    }
    wiki_cmd_commit( zPageName, rid, stdin );
    printf("Committed wiki page %s.\n", zPageName);
  }else
  if( strncmp(g.argv[2],"delete",n)==0 ){
    if( g.argc!=5 ){
      usage("delete PAGENAME");
    }
    fossil_fatal("delete not yet implemented.");
................................................................................
  }else
  {
    goto wiki_cmd_usage;
  }
  return;

wiki_cmd_usage:
  usage("delete|export|commit|list ...");
}

/*
** Copyright (c) 2007 D. Richard Hipp
** Copyright (c) 2008 Stephan Beal
**
** This program is free software; you can redistribute it and/or
** modify it under the terms of the GNU General Public
** License version 2 as published by the Free Software Foundation.
**
** This program is distributed in the hope that it will be useful,
** but WITHOUT ANY WARRANTY; without even the implied warranty of
................................................................................
  @ disables all wiki formatting rules through the matching
  @ </nowiki> element.
  @ </ol>
  style_footer();
}

/*
** wiki_cmd_commit() is the implementation of "wiki commit ...".
**
** As arguments it expects:
**
** zPageName = the wiki entry's name.
**





** in = input file. The file is read until EOF but is not closed
** by this function (it might be stdin!).
**
** Returns 0 on error, non-zero on success.
**
** TODOs:
** - take EITHER zPageName OR rid. We don't need both.
** - make use of the return value. Add more error checking.
** - give the uuid back to the caller so it can be shown
**   in the status output. ("committed version XXXXX of page ...")
** - return some status telling the user if there were no diffs
** (i.e. no commit). How can we find this out?
*/
int wiki_cmd_commit( char const * zPageName, FILE * in )
{
  Blob wiki;              /* Wiki page content */
  Blob content;           /* read-in content */
  Blob cksum;             /* wiki checksum */
  int rid;                /* rid of existing entry. */
  int nrid;               /* not really sure */
  char * zDate;           /* timestamp */
  char * zUuid;           /* uuid for rid */

  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 ){
    fossil_fatal("wiki commit NewEntry not yet implemented.");
  }


  blob_read_from_channel( &content, in, -1 );
  // ^^^ Reminder: we should allow empty (zero-byte) entries, so don't exit
  // if read returns 0.
  blob_zero(&wiki);
  zDate = db_text(0, "SELECT datetime('now')");
  zDate[10] = 'T';
  blob_appendf(&wiki, "D %s\n", zDate);
................................................................................
      fossil_fatal("wiki page [%s] not found",zPageName);
    }
    for(i=strlen(zBody); i>0 && isspace(zBody[i-1]); i--){}
    printf("%.*s\n", i, zBody);
    return;
  }else
  if( strncmp(g.argv[2],"commit",n)==0 ){

    char *zPageName;
    if( g.argc!=4 ){
      usage("commit PAGENAME");
    }
    zPageName = g.argv[3];








    wiki_cmd_commit( zPageName, stdin );
    printf("Committed wiki page %s.\n", zPageName);
  }else
  if( strncmp(g.argv[2],"delete",n)==0 ){
    if( g.argc!=5 ){
      usage("delete PAGENAME");
    }
    fossil_fatal("delete not yet implemented.");
................................................................................
  }else
  {
    goto wiki_cmd_usage;
  }
  return;

wiki_cmd_usage:
  usage("export|commit|list ...");
}