Fossil

/*
** Return the value of a boolean bisect option.
*/
int bisect_option(const char *zName){
  unsigned int i;
  int r = -1;
  for(i=0; i<sizeof(aBisectOption)/sizeof(aBisectOption[0]); i++){
    if( fossil_strcmp(zName, aBisectOption[i].zName)==0 ){
      char *zLabel = mprintf("bisect-%s", zName);
      char *z = db_lget(zLabel, (char*)aBisectOption[i].zDefault);
      if( is_truth(z) ) r = 1;
      if( is_false(z) ) r = 0;
      if( r<0 ) r = is_truth(aBisectOption[i].zDefault);
      free(zLabel);

  }else if( strncmp(zCmd, "log", n)==0 ){
    bisect_chart(0);
  }else if( strncmp(zCmd, "chart", n)==0 ){
    bisect_chart(1);
  }else if( strncmp(zCmd, "options", n)==0 ){
    if( g.argc==3 ){
      unsigned int i;
      for(i=0; i<sizeof(aBisectOption)/sizeof(aBisectOption[0]); i++){
        char *z = mprintf("bisect-%s", aBisectOption[i].zName);
        fossil_print("  %-15s  %-6s  ", aBisectOption[i].zName,
               db_lget(z, (char*)aBisectOption[i].zDefault));
        fossil_free(z);
        comment_print(aBisectOption[i].zDesc, 0, 27, -1, g.comFmtFlags);
      }
    }else if( g.argc==4 || g.argc==5 ){
      unsigned int i;
      n = strlen(g.argv[3]);
      for(i=0; i<sizeof(aBisectOption)/sizeof(aBisectOption[0]); i++){
        if( strncmp(g.argv[3], aBisectOption[i].zName, n)==0 ){
          char *z = mprintf("bisect-%s", aBisectOption[i].zName);
          if( g.argc==5 ){
            db_lset(z, g.argv[4]);
          }
          fossil_print("%s\n", db_lget(z, (char*)aBisectOption[i].zDefault));
          fossil_free(z);
          break;
        }
      }
      if( i>=sizeof(aBisectOption)/sizeof(aBisectOption[0]) ){
        fossil_fatal("no such bisect option: %s", g.argv[3]);
      }
    }else{
      usage("options ?NAME? ?VALUE?");
    }
  }else if( strncmp(zCmd, "reset", n)==0 ){
    db_multi_exec(

/*
** Return a pointer to built-in content
*/
const unsigned char *builtin_file(const char *zFilename, int *piSize){
  int lwr, upr, i, c;
  lwr = 0;
  upr = sizeof(aBuiltinFiles)/sizeof(aBuiltinFiles[0]) - 1;
  while( upr>=lwr ){
    i = (upr+lwr)/2;
    c = strcmp(aBuiltinFiles[i].zName,zFilename);
    if( c<0 ){
      lwr = i+1;
    }else if( c>0 ){
      upr = i-1;

/*
** COMMAND: test-builtin-list
**
** List the names and sizes of all built-in resources.
*/
void test_builtin_list(void){
  int i;
  for(i=0; i<sizeof(aBuiltinFiles)/sizeof(aBuiltinFiles[0]); i++){
    fossil_print("%-30s %6d\n", aBuiltinFiles[i].zName,aBuiltinFiles[i].nByte);
  }
}

/*
** COMMAND: test-builtin-get
**

          cgi_set_parameter_nocopy(mprintf("%s:bytes", zName),
               mprintf("%d",nContent), 1);
        }
      }
      zName = 0;
      showBytes = 0;
    }else{
      nArg = tokenize_line(zLine, sizeof(azArg)/sizeof(azArg[0]), azArg);
      for(i=0; i<nArg; i++){
        int c = fossil_tolower(azArg[i][0]);
        int n = strlen(azArg[i]);
        if( c=='c' && sqlite3_strnicmp(azArg[i],"content-disposition:",n)==0 ){
          i++;
        }else if( c=='n' && sqlite3_strnicmp(azArg[i],"name=",n)==0 ){
          zName = azArg[++i];

** If allowPrefix is true, then the Setting returned is the first one for
** which zName is a prefix of the Setting name.
*/
const Setting *db_find_setting(const char *zName, int allowPrefix){
  int lwr, mid, upr, c;
  int n = (int)strlen(zName) + !allowPrefix;
  lwr = 0;
  upr = ArraySize(aSetting)-2;
  while( upr>=lwr ){
    mid = (upr+lwr)/2;
    c = fossil_strncmp(zName, aSetting[mid].name, n);
    if( c<0 ){
      upr = mid - 1;
    }else if( c>0 ){
      lwr = mid + 1;

  if( nLeft*nRight>100000 ){
    memset(aM, 4, mnLen);
    if( nLeft>mnLen )  memset(aM+mnLen, 1, nLeft-mnLen);
    if( nRight>mnLen ) memset(aM+mnLen, 2, nRight-mnLen);
    return aM;
  }

  if( nRight < (sizeof(aBuf)/sizeof(aBuf[0]))-1 ){
    pToFree = 0;
    a = aBuf;
  }else{
    a = pToFree = fossil_malloc( sizeof(a[0])*(nRight+1) );
  }

  /* Compute the best alignment */

** contain a few webpage entries at the beginning.
**
** The page_index.h file is generated by the mkindex program which scans all
** source code files looking for header comments on the functions that
** implement command and webpages.
*/
#include "page_index.h"
#define MX_COMMAND (sizeof(aCommand)/sizeof(aCommand[0]))

/*
** Given a command or webpage name in zName, find the corresponding CmdOrPage
** object and return a pointer to that object in *ppCmd.
**
** The eType field is CMDFLAG_COMMAND to lookup commands or CMDFLAG_WEBPAGE
** to look up webpages or CMDFLAG_ANY to look for either.  If the CMDFLAG_PREFIX

  };

  if( !looks_like_binary(pBlob) ) {
    return 0;   /* Plain text */
  }
  x = (const unsigned char*)blob_buffer(pBlob);
  n = blob_size(pBlob);
  for(i=0; i<ArraySize(aMime); i++){
    if( n>=aMime[i].size && memcmp(x, aMime[i].zPrefix, aMime[i].size)==0 ){
      return aMime[i].zMimetype;
    }
  }
  return "unknown/unknown";
}

/*
** Verify that all entries in the aMime[] table are in sorted order.
** Abort with a fatal error if any is out-of-order.
*/
static void mimetype_verify(void){
  int i;
  for(i=1; i<ArraySize(aMime); i++){
    if( fossil_strcmp(aMime[i-1].zSuffix,aMime[i].zSuffix)>=0 ){
      fossil_fatal("mimetypes out of sequence: %s before %s",
                   aMime[i-1].zSuffix, aMime[i].zSuffix);
    }
  }
}

    if( zName[i]=='.' ) z = &zName[i+1];
  }
  len = strlen(z);
  if( len<sizeof(zSuffix)-1 ){
    sqlite3_snprintf(sizeof(zSuffix), zSuffix, "%s", z);
    for(i=0; zSuffix[i]; i++) zSuffix[i] = fossil_tolower(zSuffix[i]);
    first = 0;
    last = ArraySize(aMime) - 1;
    while( first<=last ){
      int c;
      i = (first+last)/2;
      c = fossil_strcmp(zSuffix, aMime[i].zSuffix);
      if( c==0 ) return aMime[i].zMimetype;
      if( c<0 ){
        last = i-1;

  @ suffixes and the following table to guess at the appropriate mimetype
  @ for each document.</p>
  @ <table id='mimeTable' border=1 cellpadding=0 class='mimetypetable'>
  @ <thead>
  @ <tr><th>Suffix<th>Mimetype
  @ </thead>
  @ <tbody>
  for(i=0; i<ArraySize(aMime); i++){
    @ <tr><td>%h(aMime[i].zSuffix)<td>%h(aMime[i].zMimetype)</tr>
  }
  @ </tbody></table>
  output_table_sorting_javascript("mimeTable","tt",1);
  style_footer();
}

  };

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(g.anon.Read); return; }
  blob_init(&title, 0, 0);
  zDfltTitle = isUV ? "" : "Documentation";
  db_begin_transaction();
  while( rid==0 && (++nMiss)<=ArraySize(azSuffix) ){
    zName = P("name");
    if( isUV ){
      if( zName==0 ) zName = "index.wiki";
      i = 0;
    }else{
      if( zName==0 || zName[0]==0 ) zName = "tip/index.wiki";
      for(i=0; zName[i] && zName[i]!='/'; i++){}
      zCheckin = mprintf("%.*s", i, zName);
      if( fossil_strcmp(zCheckin,"ckout")==0 && g.localOpen==0 ){
        zCheckin = "tip";
      }
    }
    if( nMiss==ArraySize(azSuffix) ){
      zName = "404.md";
    }else if( zName[i]==0 ){
      assert( nMiss>=0 && nMiss<ArraySize(azSuffix) );
      zName = azSuffix[nMiss];
    }else if( !isUV ){
      zName += i;
    }
    while( zName[0]=='/' ){ zName++; }
    if( isUV ){
      g.zPath = mprintf("%s/%s", g.zPath, zName);
    }else{
      g.zPath = mprintf("%s/%s/%s", g.zPath, zCheckin, zName);
    }
    if( nMiss==0 ) zOrigName = zName;
    if( !file_is_simple_pathname(zName, 1) ){
      if( sqlite3_strglob("*/", zName)==0 ){
        assert( nMiss>=0 && nMiss<ArraySize(azSuffix) );
        zName = mprintf("%s%s", zName, azSuffix[nMiss]);
        if( !file_is_simple_pathname(zName, 1) ){
          goto doc_not_found;
        }
      }else{
        goto doc_not_found;
      }

    style_footer();
  }else if( fossil_strcmp(zMime, "text/x-markdown")==0 ){
    Blob tail = BLOB_INITIALIZER;
    markdown_to_html(&filebody, &title, &tail);
    if( blob_size(&title)>0 ){
      style_header("%s", blob_str(&title));
    }else{
      style_header("%s", nMiss>=ArraySize(azSuffix)?
                        "Not Found" : zDfltTitle);
    }
    convert_href_and_output(&tail);
    style_footer();
  }else if( fossil_strcmp(zMime, "text/plain")==0 ){
    style_header("%s", zDfltTitle);
    @ <blockquote><pre>

      style_footer();
    }
#endif
  }else{
    cgi_set_content_type(zMime);
    cgi_set_content(&filebody);
  }
  if( nMiss>=ArraySize(azSuffix) ) cgi_set_status(404, "Not Found");
  db_end_transaction(0);
  return;

  /* Jump here when unable to locate the document */
doc_not_found:
  db_end_transaction(0);
  if( isUV && P("name")==0 ){

  }

  azDirs[1] = fossil_getenv("TEMP");
  azDirs[2] = fossil_getenv("TMP");
#endif


  for(i=0; i<sizeof(azDirs)/sizeof(azDirs[0]); i++){
    if( azDirs[i]==0 ) continue;
    if( !file_isdir(azDirs[i]) ) continue;
    zDir = azDirs[i];
    break;
  }

  /* Check that the output buffer is large enough for the temporary file

** path element.
*/
const char *file_is_win_reserved(const char *zPath){
  static const char *azRes[] = { "CON", "PRN", "AUX", "NUL", "COM", "LPT" };
  static char zReturn[5];
  int i;
  while( zPath[0] ){
    for(i=0; i<ArraySize(azRes); i++){
      if( sqlite3_strnicmp(zPath, azRes[i], 3)==0
       && ((i>=4 && fossil_isdigit(zPath[3])
                 && (zPath[4]=='/' || zPath[4]=='.' || zPath[4]==0))
          || (i<4 && (zPath[3]=='/' || zPath[3]=='.' || zPath[3]==0)))
      ){
        sqlite3_snprintf(5,zReturn,"%.*s", i>=4 ? 4 : 3, zPath);
        return zReturn;

    char zTime[10];
    int nParent = 0;
    int aParent[GR_MAX_RAIL];

    db_bind_int(&qparent, ":fid", frid);
    db_bind_int(&qparent, ":mid", fmid);
    db_bind_int(&qparent, ":fnid", fnid);
    while( db_step(&qparent)==SQLITE_ROW && nParent<ArraySize(aParent) ){
      aParent[nParent] = db_column_int(&qparent, 0);
      nParent++;
    }
    db_reset(&qparent);
    if( zBr==0 ) zBr = "trunk";
    if( uBg ){
      zBgClr = hash_color(zUser);

    int format; /* 1=git, 2=svn, 3=any */
  } renOpts[] = {
    {"rename-branch", &gimport.zBranchPre,   "", &gimport.zBranchSuf, "", 3},
    {"rename-tag"   , &gimport.zTagPre   ,   "", &gimport.zTagSuf   , "", 3},
    {"rename-rev"   , &gsvn.zRevPre, "svn-rev-", &gsvn.zRevSuf      , "", 2},
  }, *renOpt = renOpts;
  int i;
  for( i = 0; i < sizeof(renOpts) / sizeof(*renOpts); ++i, ++renOpt ){
    if( 1 << svnFlag & renOpt->format ){
      const char *zArgument = find_option(renOpt->zOpt, 0, 1);
      if( zArgument ){
         const char *sep = strchr(zArgument, '%');
         if( !sep ){
           fossil_fatal("missing '%%' in argument to --%s", renOpt->zOpt);
         }else if( strchr(sep + 1, '%') ){

     { "#d69b80", 0 },
     { "#d1d680", 0 },
     { "#91d680", 0 },


     { "custom",  "##" },
  };
  int nColor = sizeof(aColor)/sizeof(aColor[0])-1;
  int stdClrFound = 0;
  int i;

  if( zIdPropagate ){
    @ <div><label>
    if( fPropagate ){
      @ <input type="checkbox" name="%s(zIdPropagate)" checked="checked" />

#if !defined(__DARWIN__) && !defined(__APPLE__) && !defined(__HAIKU__)
    zBrowser = db_get("web-browser", 0);
    if( zBrowser==0 ){
      static const char *const azBrowserProg[] =
          { "xdg-open", "gnome-open", "firefox", "google-chrome" };
      int i;
      zBrowser = "echo";
      for(i=0; i<sizeof(azBrowserProg)/sizeof(azBrowserProg[0]); i++){
        if( binaryOnPath(azBrowserProg[i]) ){
          zBrowser = azBrowserProg[i];
          break;
        }
      }
    }
#else

  if( i>=size ) return 0;

  /* binary search of the tag */
  key.text = data;
  key.size = i;
  return bsearch(&key,
                 block_tags,
                 (sizeof block_tags)/(sizeof block_tags[0]),
                 sizeof block_tags[0],
                 cmp_html_tag);
}


/* new_work_buffer -- get a new working buffer from the stack or create one */
static struct Blob *new_work_buffer(struct render *rndr){

  int i, j;
  int len = (int)strlen(mergeMarker[0]);
  const char *z = blob_buffer(p);
  int n = blob_size(p) - len + 1;
  assert( len==(int)strlen(mergeMarker[1]) );
  assert( len==(int)strlen(mergeMarker[2]) );
  assert( len==(int)strlen(mergeMarker[3]) );
  assert( sizeof(mergeMarker)/sizeof(mergeMarker[0])==4 );
  for(i=0; i<n; ){
    for(j=0; j<4; j++){
      if( memcmp(&z[i], mergeMarker[j], len)==0 ) return 1;
    }
    while( i<n && z[i]!='\n' ){ i++; }
    while( i<n && z[i]=='\n' ){ i++; }
  }

     "modreq",     "attachRid",
     "mlink",      "mid",
     "mlink",      "fid",
     "tagxref",    "srcid",
     "tagxref",    "rid",
  };
  int i;
  for(i=0; i<sizeof(aTabField)/sizeof(aTabField[0]); i+=2){
    if( db_exists("SELECT 1 FROM \"%w\" WHERE \"%w\"=%d",
                  aTabField[i], aTabField[i+1], rid) ) return 1;
  }
  return 0;
}

/*

    }
    for(j=0; j<aCollide[i].cnt && j<MAX_COLLIDE; j++){
      char *zId = aCollide[i].azHit[j];
      if( zId==0 ) continue;
      @ %z(href("%R/whatis/%s",zId))%h(zId)</a>
    }
  }
  for(i=4; i<ArraySize(aCollide); i++){
    for(j=0; j<aCollide[i].cnt && j<MAX_COLLIDE; j++){
      fossil_free(aCollide[i].azHit[j]);
    }
  }
}

/*

  {  'G',  0, 1, etGENERIC,    14, 0 },
  {  'i', 10, 1, etRADIX,      0,  0 },
  {  'n',  0, 0, etSIZE,       0,  0 },
  {  '%',  0, 0, etPERCENT,    0,  0 },
  {  'p', 16, 0, etPOINTER,    0,  1 },
  {  '/',  0, 0, etPATH,       0,  0 },
};
#define etNINFO  (sizeof(fmtinfo)/sizeof(fmtinfo[0]))

/*
** "*val" is a double such that 0.1 <= *val < 10.0
** Return the ascii code for the leading digit of *val, then
** multiply "*val" by 10.0 to renormalize.
**
** Example:

  fprintf(out, "------------- %04d-%02d-%02d %02d:%02d:%02d UTC ------------\n",
          pNow->tm_year+1900, pNow->tm_mon+1, pNow->tm_mday+1,
          pNow->tm_hour, pNow->tm_min, pNow->tm_sec);
  va_start(ap, zFormat);
  vfprintf(out, zFormat, ap);
  fprintf(out, "\n");
  va_end(ap);
  for(i=0; i<sizeof(azEnv)/sizeof(azEnv[0]); i++){
    char *p;
    if( (p = fossil_getenv(azEnv[i]))!=0 ){
      fprintf(out, "%s=%s\n", azEnv[i], p);
      fossil_path_free(p);
    }else if( (z = P(azEnv[i]))!=0 ){
      fprintf(out, "%s=%s\n", azEnv[i], z);
    }

         strncmp((const char*)zIn+in.i, (const char*)pRe->zInit, pRe->nInit)!=0)
    ){
      in.i++;
    }
    if( in.i+pRe->nInit>in.mx ) return 0;
  }

  if( pRe->nState<=(sizeof(aSpace)/(sizeof(aSpace[0])*2)) ){
    pToFree = 0;
    aStateSet[0].aState = aSpace;
  }else{
    pToFree = fossil_malloc( sizeof(ReStateNumber)*2*pRe->nState );
    if( pToFree==0 ) return -1;
    aStateSet[0].aState = pToFree;
  }

         "tagxref",
         "unversioned",
      };
      int i;
      if( fossil_strncmp(zArg1, "fx_", 3)==0 ){
        break;
      }
      for(i=0; i<sizeof(azAllowed)/sizeof(azAllowed[0]); i++){
        if( fossil_stricmp(zArg1, azAllowed[i])==0 ) break;
      }
      if( i>=sizeof(azAllowed)/sizeof(azAllowed[0]) ){
        *(char**)pError = mprintf("access to table \"%s\" is restricted",zArg1);
        rc = SQLITE_DENY;
      }else if( !g.perm.RdAddr && strncmp(zArg2, "private_", 8)==0 ){
        rc = SQLITE_IGNORE;
      }
      break;
    }

  sqlite3_context *context,
  int argc,
  sqlite3_value **argv
){
  const char *azDoc[5];
  int nDoc;
  int rc;
  for(nDoc=0; nDoc<ArraySize(azDoc) && nDoc<argc; nDoc++){
    azDoc[nDoc] = (const char*)sqlite3_value_text(argv[nDoc]);
    if( azDoc[nDoc]==0 ) azDoc[nDoc] = "";
  }
  rc = search_match(&gSearch, nDoc, azDoc);
  sqlite3_result_int(context, rc);
}

     { SRCH_TKT,    "search-tkt"  },
     { SRCH_WIKI,   "search-wiki" },
  };
  int i;
  if( g.perm.Read==0 )   srchFlags &= ~(SRCH_CKIN|SRCH_DOC);
  if( g.perm.RdTkt==0 )  srchFlags &= ~(SRCH_TKT);
  if( g.perm.RdWiki==0 ) srchFlags &= ~(SRCH_WIKI);
  for(i=0; i<ArraySize(aSetng); i++){
    unsigned int m = aSetng[i].m;
    if( (srchFlags & m)==0 ) continue;
    if( ((knownGood|knownBad) & m)!=0 ) continue;
    if( db_get_boolean(aSetng[i].zKey,0) ){
      knownGood |= m;
    }else{
      knownBad |= m;

    static const struct { unsigned m; char c; } aMask[] = {
       { SRCH_CKIN,  'c' },
       { SRCH_DOC,   'd' },
       { SRCH_TKT,   't' },
       { SRCH_WIKI,  'w' },
    };
    int i;
    for(i=0; i<ArraySize(aMask); i++){
      if( srchFlags & aMask[i].m ){
        blob_appendf(&sql, "%sftsdocs.type='%c'", zSep, aMask[i].c);
        zSep = " OR ";
      }
    }
    blob_append(&sql,")",1);
  }

       { "t",    "Tickets",    SRCH_TKT  },
       { "w",    "Wiki",       SRCH_WIKI },
    };
    const char *zY = PD("y","all");
    unsigned newFlags = srchFlags;
    int i;
    @ <select size='1' name='y'>
    for(i=0; i<ArraySize(aY); i++){
      if( (aY[i].m & srchFlags)==0 ) continue;
      cgi_printf("<option value='%s'", aY[i].z);
      if( fossil_strcmp(zY,aY[i].z)==0 ){
        newFlags &= aY[i].m;
        cgi_printf(" selected");
      }
      cgi_printf(">%s</option>\n", aY[i].zNm);

  int i, j, n;
  int iCmd = 0;
  int iAction = 0;
  db_find_and_open_repository(0, 0);
  if( g.argc>2 ){
    zSubCmd = g.argv[2];
    n = (int)strlen(zSubCmd);
    for(i=0; i<ArraySize(aCmd); i++){
      if( fossil_strncmp(aCmd[i].z, zSubCmd, n)==0 ) break;
    }
    if( i>=ArraySize(aCmd) ){
      Blob all;
      blob_init(&all,0,0);
      for(i=0; i<ArraySize(aCmd); i++) blob_appendf(&all, " %s", aCmd[i].z);
      fossil_fatal("unknown \"%s\" - should be on of:%s",
                   zSubCmd, blob_str(&all));
      return;
    }
    iCmd = aCmd[i].iCmd;
  }
  g.perm.Read = 1;

  db_begin_transaction();

  /* Adjust search settings */
  if( iCmd==3 || iCmd==4 ){
    const char *zCtrl;
    if( g.argc<4 ) usage(mprintf("%s STRING",zSubCmd));
    zCtrl = g.argv[3];
    for(j=0; j<ArraySize(aSetng); j++){
      if( strchr(zCtrl, aSetng[j].zSw[0])!=0 ){
        db_set_int(aSetng[j].zSetting, iCmd-3, 0);
      }
    }
  }
  if( iCmd==5 ){
    if( g.argc<4 ) usage("porter ON/OFF");
    db_set_int("search-stemmer", is_truth(g.argv[3]), 0);
  }


  /* destroy or rebuild the index, if requested */
  if( iAction>=1 ){
    search_drop_index();
  }
  if( iAction>=2 ){
    search_rebuild_index();
  }

  /* Always show the status before ending */
  for(i=0; i<ArraySize(aSetng); i++){
    fossil_print("%-16s %s\n", aSetng[i].zName,
       db_get_boolean(aSetng[i].zSetting,0) ? "on" : "off");
  }
  fossil_print("%-16s %s\n", "Porter stemmer:",
       db_get_boolean("search-stemmer",0) ? "on" : "off");
  if( search_index_exists() ){
    fossil_print("%-16s enabled\n", "full-text index:");

**
** Implementation of the Setup page
*/
#include "config.h"
#include <assert.h>
#include "setup.h"

#if INTERFACE
#define ArraySize(x) (sizeof(x)/sizeof(x[0]))
#endif

/*
** Output a single entry for a menu generated using an HTML table.
** If zLink is not NULL or an empty string, then it is the page that
** the menu entry will hyperlink to.  If zLink is NULL or "", then
** the menu entry has no hyperlink - it is disabled.
*/
void setup_menu_entry(

    @ %s(zTmDiff) hours behind UTC.</p>
  }else{
    @ %s(zTmDiff) hours ahead of UTC.</p>
  }

  @ <hr />
  multiple_choice_attribute("Per-Item Time Format", "timeline-date-format",
            "tdf", "0", ArraySize(azTimeFormats)/2, azTimeFormats);
  @ <p>If the "HH:MM" or "HH:MM:SS" format is selected, then the date is shown
  @ in a separate box (using CSS class "timelineDate") whenever the date changes.
  @ With the "YYYY-MM-DD&nbsp;HH:MM" and "YYMMDD ..." formats, the complete date
  @ and time is shown on every timeline entry (using the CSS class "timelineTime").</p>

  @ <hr />
  onoff_attribute("Show version differences by default",

char *skin_use_alternative(const char *zName){
  int i;
  Blob err = BLOB_INITIALIZER;
  if( strchr(zName, '/')!=0 ){
    zAltSkinDir = fossil_strdup(zName);
    return 0;
  }
  for(i=0; i<ArraySize(aBuiltinSkin); i++){
    if( fossil_strcmp(aBuiltinSkin[i].zLabel, zName)==0 ){
      pAltSkin = &aBuiltinSkin[i];
      return 0;
    }
  }
  blob_appendf(&err, "available skins: %s", aBuiltinSkin[0].zLabel);
  for(i=1; i<ArraySize(aBuiltinSkin); i++){
    blob_append(&err, " ", 1);
    blob_append(&err, aBuiltinSkin[i].zLabel, -1);
  }
  return blob_str(&err);
}

/*

}

/*
** Return a pointer to a SkinDetail element.  Return 0 if not found.
*/
static struct SkinDetail *skin_detail_find(const char *zName){
  int lwr = 0;
  int upr = ArraySize(aSkinDetail);
  while( upr>=lwr ){
    int mid = (upr+lwr)/2;
    int c = fossil_strcmp(aSkinDetail[mid].zName, zName);
    if( c==0 ) return &aSkinDetail[mid];
    if( c<0 ){
      lwr = mid+1;
    }else{

/*
** Return true if there exists a skin name "zSkinName".
*/
static int skinExists(const char *zSkinName){
  int i;
  if( zSkinName==0 ) return 0;
  for(i=0; i<sizeof(aBuiltinSkin)/sizeof(aBuiltinSkin[0]); i++){
    if( fossil_strcmp(zSkinName, aBuiltinSkin[i].zDesc)==0 ) return 1;
  }
  return db_exists("SELECT 1 FROM config WHERE name='skin:%q'", zSkinName);
}

/*
** Construct and return an string of SQL statements that represents
** a "skin" setting.  If zName==0 then return the skin currently
** installed.  Otherwise, return one of the built-in skins designated
** by zName.
**
** Memory to hold the returned string is obtained from malloc.
*/
static char *getSkin(const char *zName){
  const char *z;
  char *zLabel;
  static const char *azType[] = { "css", "header", "footer", "details" };
  int i;
  Blob val;
  blob_zero(&val);
  for(i=0; i<sizeof(azType)/sizeof(azType[0]); i++){
    if( zName ){
      zLabel = mprintf("skins/%s/%s.txt", zName, azType[i]);
      z = builtin_text(zLabel);
      fossil_free(zLabel);
    }else{
      z = db_get(azType[i], 0);
      if( z==0 ){

  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }
  db_begin_transaction();
  zCurrent = getSkin(0);
  for(i=0; i<sizeof(aBuiltinSkin)/sizeof(aBuiltinSkin[0]); i++){
    aBuiltinSkin[i].zSQL = getSkin(aBuiltinSkin[i].zLabel);
  }

  /* Process requests to delete a user-defined skin */
  if( P("del1") && (zName = skinVarName(P("sn"), 1))!=0 ){
    style_header("Confirm Custom Skin Delete");
    @ <form action="%s(g.zTop)/setup_skin" method="post"><div>

  /* The user pressed one of the "Install" buttons. */
  if( P("load") && (z = P("sn"))!=0 && z[0] ){
    int seen = 0;

    /* Check to see if the current skin is already saved.  If it is, there
    ** is no need to create a backup */
    zCurrent = getSkin(0);
    for(i=0; i<sizeof(aBuiltinSkin)/sizeof(aBuiltinSkin[0]); i++){
      if( fossil_strcmp(aBuiltinSkin[i].zSQL, zCurrent)==0 ){
        seen = 1;
        break;
      }
    }
    if( !seen ){
      seen = db_exists("SELECT 1 FROM config WHERE name GLOB 'skin:*'"
                       " AND value=%Q", zCurrent);
      if( !seen ){
        db_multi_exec(
          "INSERT INTO config(name,value,mtime) VALUES("
          "  strftime('skin:Backup On %%Y-%%m-%%d %%H:%%M:%%S'),"
          "  %Q,now())", zCurrent
        );
      }
    }
    seen = 0;
    for(i=0; i<sizeof(aBuiltinSkin)/sizeof(aBuiltinSkin[0]); i++){
      if( fossil_strcmp(aBuiltinSkin[i].zDesc, z)==0 ){
        seen = 1;
        zCurrent = aBuiltinSkin[i].zSQL;
        db_multi_exec("%s", zCurrent/*safe-for-%s*/);
        break;
      }
    }

    @ "%h(pAltSkin->zLabel)".  You can change the skin configuration
    @ below, but the changes will not take effect until the Fossil server
    @ is restarted without the override.</p>
    @
  }
  @ <h2>Available Skins:</h2>
  @ <table border="0">
  for(i=0; i<sizeof(aBuiltinSkin)/sizeof(aBuiltinSkin[0]); i++){
    z = aBuiltinSkin[i].zDesc;
    @ <tr><td>%d(i+1).<td>%h(z)<td>&nbsp;&nbsp;<td>
    if( fossil_strcmp(aBuiltinSkin[i].zSQL, zCurrent)==0 ){
      @ (Currently In Use)
      seenCurrent = 1;
    }else{
      @ <form action="%s(g.zTop)/setup_skin" method="post">

  login_check_credentials();
  if( !g.perm.Setup ){
    login_needed(0);
    return;
  }
  ii = atoi(PD("w","0"));
  if( ii<0 || ii>ArraySize(aSkinAttr) ) ii = 0;
  zBasis = PD("basis","default");
  zDflt = mprintf("skins/%s/%s.txt", zBasis, aSkinAttr[ii].zFile);
  db_begin_transaction();
  if( P("revert")!=0 ){
    db_multi_exec("DELETE FROM config WHERE name=%Q", aSkinAttr[ii].zFile);
    cgi_replace_parameter(aSkinAttr[ii].zFile, builtin_text(zDflt));
  }
  style_header("%s", aSkinAttr[ii].zTitle);
  for(j=0; j<ArraySize(aSkinAttr); j++){
    if( j==ii ) continue;
    style_submenu_element(aSkinAttr[j].zSubmenu,
          "%R/setup_skinedit?w=%d&basis=%h",j,zBasis);
  }
  style_submenu_element("Skins", "%R/setup_skin");
  @ <form action="%s(g.zTop)/setup_skinedit" method="post"><div>
  login_insert_csrf_secret();
  @ <input type='hidden' name='w' value='%d(ii)'>
  @ <h2>Edit %s(aSkinAttr[ii].zTitle):</h2>
  zContent  = textarea_attribute("", 10, 80, aSkinAttr[ii].zFile,
                        aSkinAttr[ii].zFile, builtin_text(zDflt), 0);
  @ <br />
  @ <input type="submit" name="submit" value="Apply Changes" />
  @ <hr />
  @ Baseline: <select size='1' name='basis'>
  for(j=0; j<ArraySize(aBuiltinSkin); j++){
    cgi_printf("<option value='%h'%s>%h</option>\n",
       aBuiltinSkin[j].zLabel,
       fossil_strcmp(zBasis,aBuiltinSkin[j].zLabel)==0 ? " selected" : "",
       aBuiltinSkin[j].zDesc
    );
  }
  @ </select>

  zUserName = P("user");
  if( zUserName==0 ) zUserName = P("u");
  if( zUserName && zUserName[0]==0 ) zUserName = 0;
  if( zView==0 ){
    zView = "byuser";
    cgi_replace_query_parameter("view","byuser");
  }
  for(i=0; i<ArraySize(aViewType); i++){
    if( fossil_strcmp(zView, aViewType[i].zVal)==0 ){
      eType = aViewType[i].eType;
      break;
    }
  }
  if( eType!=RPT_NONE ){
    int nView = 0;                     /* Slots used in azView[] */
    for(i=0; i<ArraySize(aViewType); i++){
      azView[nView++] = aViewType[i].zVal;
      azView[nView++] = aViewType[i].zName;
    }
    if( eType!=RPT_BYFILE ){
      style_submenu_multichoice("type", ArraySize(azType)/2, azType, 0);
    }
    style_submenu_multichoice("view", nView/2, azView, 0);
    if( eType!=RPT_BYUSER ){
      style_submenu_sql("user","User:",
         "SELECT '', 'All Users' UNION ALL "
         "SELECT x, x FROM ("
         "  SELECT DISTINCT trim(coalesce(euser,user)) AS x FROM event %s"

*/
void style_submenu_element(
  const char *zLabel,
  const char *zLink,
  ...
){
  va_list ap;
  assert( nSubmenu < sizeof(aSubmenu)/sizeof(aSubmenu[0]) );
  aSubmenu[nSubmenu].zLabel = zLabel;
  va_start(ap, zLink);
  aSubmenu[nSubmenu].zLink = vmprintf(zLink, ap);
  va_end(ap);
  nSubmenu++;
}
void style_submenu_entry(
  const char *zName,       /* Query parameter name */
  const char *zLabel,      /* Label before the entry box */
  int iSize,               /* Size of the entry box */
  int isDisabled           /* True if disabled */
){
  assert( nSubmenuCtrl < ArraySize(aSubmenuCtrl) );
  aSubmenuCtrl[nSubmenuCtrl].zName = zName;
  aSubmenuCtrl[nSubmenuCtrl].zLabel = zLabel;
  aSubmenuCtrl[nSubmenuCtrl].iSize = iSize;
  aSubmenuCtrl[nSubmenuCtrl].isDisabled = isDisabled;
  aSubmenuCtrl[nSubmenuCtrl].eType = FF_ENTRY;
  nSubmenuCtrl++;
}
void style_submenu_binary(
  const char *zName,       /* Query parameter name */
  const char *zTrue,       /* Label to show when parameter is true */
  const char *zFalse,      /* Label to show when the parameter is false */
  int isDisabled           /* True if this control is disabled */
){
  assert( nSubmenuCtrl < ArraySize(aSubmenuCtrl) );
  aSubmenuCtrl[nSubmenuCtrl].zName = zName;
  aSubmenuCtrl[nSubmenuCtrl].zLabel = zTrue;
  aSubmenuCtrl[nSubmenuCtrl].zFalse = zFalse;
  aSubmenuCtrl[nSubmenuCtrl].isDisabled = isDisabled;
  aSubmenuCtrl[nSubmenuCtrl].eType = FF_BINARY;
  nSubmenuCtrl++;
}
void style_submenu_multichoice(
  const char *zName,       /* Query parameter name */
  int nChoice,             /* Number of options */
  const char *const *azChoice,/* value/display pairs.  2*nChoice entries */
  int isDisabled           /* True if this control is disabled */
){
  assert( nSubmenuCtrl < ArraySize(aSubmenuCtrl) );
  aSubmenuCtrl[nSubmenuCtrl].zName = zName;
  aSubmenuCtrl[nSubmenuCtrl].iSize = nChoice;
  aSubmenuCtrl[nSubmenuCtrl].azChoice = azChoice;
  aSubmenuCtrl[nSubmenuCtrl].isDisabled = isDisabled;
  aSubmenuCtrl[nSubmenuCtrl].eType = FF_MULTI;
  nSubmenuCtrl++;
}

        db_get_boolean("tcl", 0) ){
      if( !g.tcl.setup ){
        g.tcl.setup = db_get("tcl-setup", 0); /* Grab Tcl setup script. */
      }
      th_register_tcl(g.interp, &g.tcl);  /* Tcl integration commands. */
    }
#endif
    for(i=0; i<sizeof(aCommand)/sizeof(aCommand[0]); i++){
      if ( !aCommand[i].zName || !aCommand[i].xProc ) continue;
      Th_CreateCommand(g.interp, aCommand[i].zName, aCommand[i].xProc,
                       aCommand[i].pContext, 0);
    }
  }else{
    wasInit = 1;
  }

  Tcl_Interp *interp
){
  int i;
  Th_Interp *th1Interp = (Th_Interp *)clientData;

  if( !th1Interp ) return;
  /* Remove the Tcl integration commands. */
  for(i=0; i<(sizeof(aCommand)/sizeof(aCommand[0])); i++){
    Th_RenameCommand(th1Interp, aCommand[i].zName, -1, NULL, 0);
  }
}

/*
** When Tcl stubs support is enabled, attempts to dynamically load the Tcl
** shared library and fetch the function pointers necessary to create an

int th_register_tcl(
  Th_Interp *interp,
  void *pContext
){
  int i;

  /* Add the Tcl integration commands to TH1. */
  for(i=0; i<(sizeof(aCommand)/sizeof(aCommand[0])); i++){
    void *ctx;
    if( !aCommand[i].zName || !aCommand[i].xProc ) continue;
    ctx = aCommand[i].pContext;
    /* Use Tcl interpreter for context? */
    if( !ctx ) ctx = pContext;
    Th_CreateCommand(interp, aCommand[i].zName, aCommand[i].xProc, ctx, 0);
  }
  return TH_OK;
}

#endif /* FOSSIL_ENABLE_TCL */

      static Stmt qparent;
      db_static_prepare(&qparent,
        "SELECT pid FROM plink"
        " WHERE cid=:rid AND pid NOT IN phantom"
        " ORDER BY isprim DESC /*sort*/"
      );
      db_bind_int(&qparent, ":rid", rid);
      while( db_step(&qparent)==SQLITE_ROW && nParent<ArraySize(aParent) ){
        aParent[nParent++] = db_column_int(&qparent, 0);
      }
      db_reset(&qparent);
      gidx = graph_add_row(pGraph, rid, nParent, aParent, zBr, zBgClr,
                           zUuid, isLeaf);
      db_reset(&qbranch);
      @ <div id="m%d(gidx)" class="tl-nodemark"></div>

      az[i++] = "t";
      az[i++] = "Tickets";
    }
    if( g.perm.RdWiki ){
      az[i++] = "w";
      az[i++] = "Wiki";
    }
    assert( i<=ArraySize(az) );
  }
  if( i>2 ){
    style_submenu_multichoice("y", i/2, az, isDisabled);
  }
}

/*

  };

  if( (unsigned int)c<128 ){
    return ( (aAscii[c >> 5] & (1 << (c & 0x001F)))==0 );
  }else if( (unsigned int)c<(1<<22) ){
    unsigned int key = (((unsigned int)c)<<10) | 0x000003FF;
    int iRes = 0;
    int iHi = sizeof(aEntry)/sizeof(aEntry[0]) - 1;
    int iLo = 0;
    while( iHi>=iLo ){
      int iTest = (iHi + iLo) / 2;
      if( key >= aEntry[iTest] ){
        iRes = iTest;
        iLo = iTest+1;
      }else{

    'h',  'i',  'k',  'l',  'l',  'm',  'n',  'p',  'r',  'r',  's',  't',
    'u',  'v',  'w',  'w',  'x',  'y',  'z',  'h',  't',  'w',  'y',  'a',
    'e',  'i',  'o',  'u',  'y',
  };

  unsigned int key = (((unsigned int)c)<<3) | 0x00000007;
  int iRes = 0;
  int iHi = sizeof(aDia)/sizeof(aDia[0]) - 1;
  int iLo = 0;
  while( iHi>=iLo ){
    int iTest = (iHi + iLo) / 2;
    if( key >= aDia[iTest] ){
      iRes = iTest;
      iLo = iTest+1;
    }else{

  assert( sizeof(unsigned short)==2 && sizeof(unsigned char)==1 );

  if( c<128 ){
    if( c>='A' && c<='Z' ) ret = c + ('a' - 'A');
  }else if( c<65536 ){
    const struct TableEntry *p;
    int iHi = sizeof(aEntry)/sizeof(aEntry[0]) - 1;
    int iLo = 0;
    int iRes = -1;

    assert( c>aEntry[0].iCode );
    while( iHi>=iLo ){
      int iTest = (iHi + iLo) / 2;
      int cmp = (c - aEntry[iTest].iCode);

  if( sqlite3_strglob("ci-comment-????????????.txt", zName)==0 ) return 1;
  for(; zName[0]!=0; zName++){
    if( zName[0]=='/' && sqlite3_strglob("/ci-comment-????????????.txt", zName)==0 ){
      return 1;
    }
    if( zName[0]!='-' ) continue;
    for(i=0; i<sizeof(azTemp)/sizeof(azTemp[0]); i++){
      n = (int)strlen(azTemp[i]);
      if( memcmp(azTemp[i], zName+1, n) ) continue;
      if( zName[n+1]==0 ) return 1;
      if( zName[n+1]=='-' ){
        for(j=n+2; zName[j] && fossil_isdigit(zName[j]); j++){}
        if( zName[j]==0 ) return 1;
      }

/*
** Only allow certain mimetypes through.
** All others become "text/x-fossil-wiki"
*/
const char *wiki_filter_mimetypes(const char *zMimetype){
  if( zMimetype!=0 ){
    int i;
    for(i=0; i<sizeof(azStyles)/sizeof(azStyles[0]); i+=3){
      if( fossil_strcmp(zMimetype,azStyles[i+2])==0 ){
        return azStyles[i];
      }
    }
    if(  fossil_strcmp(zMimetype, "text/x-markdown")==0
        || fossil_strcmp(zMimetype, "text/plain")==0 ){
      return zMimetype;

/*
** Output a selection box from which the user can select the
** wiki mimetype.
*/
void mimetype_option_menu(const char *zMimetype){
  unsigned i;
  @ <select name="mimetype" size="1">
  for(i=0; i<sizeof(azStyles)/sizeof(azStyles[0]); i+=3){
    if( fossil_strcmp(zMimetype,azStyles[i])==0 ){
      @ <option value="%s(azStyles[i])" selected>%s(azStyles[i+1])</option>
    }else{
      @ <option value="%s(azStyles[i])">%s(azStyles[i+1])</option>
    }
  }
  @ </select>

/*
** Use binary search to locate a tag in the aAttribute[] table.
*/
static int findAttr(const char *z){
  int i, c, first, last;
  first = 1;
  last = sizeof(aAttribute)/sizeof(aAttribute[0]) - 1;
  while( first<=last ){
    i = (first+last)/2;
    c = fossil_strcmp(aAttribute[i].zName, z);
    if( c==0 ){
      return i;
    }else if( c<0 ){
      first = i+1;

 { "var",           MARKUP_VAR,          MUTYPE_FONT,          AMSK_STYLE },
 { "verbatim",      MARKUP_VERBATIM,     MUTYPE_SPECIAL,
                    AMSK_ID|AMSK_TYPE },
};

void show_allowed_wiki_markup( void ){
  int i; /* loop over allowedAttr */
  for( i=1 ; i<=sizeof(aMarkup)/sizeof(aMarkup[0]) - 1 ; i++ ){
    @ &lt;%s(aMarkup[i].zName)&gt;
  }
}

/*
** Use binary search to locate a tag in the aMarkup[] table.
*/
static int findTag(const char *z){
  int i, c, first, last;
  first = 1;
  last = sizeof(aMarkup)/sizeof(aMarkup[0]) - 1;
  while( first<=last ){
    i = (first+last)/2;
    c = fossil_strcmp(aMarkup[i].zName, z);
    if( c==0 ){
      assert( aMarkup[i].iCode==i );
      return i;
    }else if( c<0 ){

        static const struct { int n; char c; char *z; } aEntity[] = {
           { 5, '&', "&"   },
           { 4, '<', "&lt;"    },
           { 4, '>', "&gt;"    },
           { 6, ' ', "&nbsp;"  },
        };
        int jj;
        for(jj=0; jj<ArraySize(aEntity); jj++){
          if( aEntity[jj].n==n && strncmp(aEntity[jj].z,zIn,n)==0 ){
            c = aEntity[jj].c;
            break;
          }
        }
      }
      if( fossil_isspace(c) ){