Fossil

/*
** Logic for reading potentially versioned settings from
** .fossil-settings/<name> , and emits warnings if necessary.
** Returns the non-versioned value without modification if there is no
** versioned value.
*/
char *db_get_do_versionable(const char *zName, char *zNonVersionedSetting){
  char *zVersionedSetting = 0;
  int noWarn = 0;
  struct _cacheEntry {
    struct _cacheEntry *next;
    const char *zName, *zValue;
  } *cacheEntry = 0;
  static struct _cacheEntry *cache = 0;

  const char *zVar,     /* The corresponding row in the VAR table */
  const char *zQParm,   /* The query parameter */
  int dfltVal,          /* Default value if VAR table entry does not exist */
  int disabled          /* 1 if disabled */
){
  const char *zQ = P(zQParm);
  int iVal = db_get_boolean(zVar, dfltVal);
  if( zQ==0 && !disabled && P("submit") ){
    zQ = "off";
  }
  if( zQ ){
    int iQ = fossil_strcmp(zQ,"on")==0 || atoi(zQ);
    if( iQ!=iVal ){
      login_verify_csrf_secret();
      db_set(zVar, iQ ? "1" : "0", 0);

  const char *zVar,     /* The corresponding row in the VAR table */
  const char *zQP,      /* The query parameter */
  const char *zDflt,    /* Default value if VAR table entry does not exist */
  int disabled          /* 1 if the textarea should  not be editable */
){
  const char *z = db_get(zVar, (char*)zDflt);
  const char *zQ = P(zQP);
  if( zQ && !disabled && fossil_strcmp(zQ,z)!=0){
    login_verify_csrf_secret();
    db_set(zVar, zQ, 0);
    z = zQ;
  }
  if( rows>0 && cols>0 ){
    @ <textarea id="id%s(zQP)" name="%s(zQP)" rows="%d(rows)"
    if( disabled ){

  @ <p>This page provides a simple interface to the "fossil setting" command.
  @ See the "fossil help setting" output below for further information on
  @ the meaning of each setting.</p><hr />
  @ <form action="%s(g.zTop)/setup_settings" method="post"><div>
  @ <table border="0"><tr><td valign="top">
  login_insert_csrf_secret();
  for(pSet=ctrlSettings; pSet->name!=0; pSet++){
    int hasVersionableValue = db_get_do_versionable(pSet->name, NULL)!=0;
    if( pSet->width==0 ){
      onoff_attribute(pSet->name, pSet->name,
                      pSet->var!=0 ? pSet->var : pSet->name,
                      is_truth(pSet->def), hasVersionableValue);
      if( pSet->versionable ){
        @  (v)<br />
      } else {
        @ <br />
      }
    }
  }
  @ </td><td style="width:50px;"></td><td valign="top">
  for(pSet=ctrlSettings; pSet->name!=0; pSet++){
    if( pSet->width!=0 && !pSet->versionable){
      entry_attribute(pSet->name, /*pSet->width*/ 25, pSet->name,
                      pSet->var!=0 ? pSet->var : pSet->name,
                      (char*)pSet->def, 0);
      @ <br />
    }
  }
  @ </td><td style="width:50px;"></td><td valign="top">
  for(pSet=ctrlSettings; pSet->name!=0; pSet++){
    int hasVersionableValue = db_get_do_versionable(pSet->name, NULL)!=0;
    if( pSet->width!=0 && pSet->versionable){
      @<b>%s(pSet->name)</b> (v)<br />
      textarea_attribute("", /*rows*/ 3, /*cols*/ 20, pSet->name,
                      pSet->var!=0 ? pSet->var : pSet->name,
                      (char*)pSet->def, hasVersionableValue);
      @<br />
    }
  }
  @ </td></tr></table>
  @ <p><input type="submit"  name="submit" value="Apply Changes" /></p>
  @ </div></form>
  @ <p>Settings marked with (v) are 'versionable' and will be overridden
  @ by the contents of files named <tt>.fossil-settings/PROPERTY</tt>.
  @ If such a file is present, the corresponding field above is not
  @ editable.</p><hr /><p>
  @ These settings work in the same way, as the <kbd>set</kbd>
  @ commandline:<br />
  @ </p><pre>%s(zHelp_setting_cmd)</pre>
  db_end_transaction(0);
  style_footer();
}