*/
static void new_brlist_page(void){
  Stmt q;
  double rNow;
  login_check_credentials();
  if( !g.perm.Read ){ login_needed(); return; }
  style_header("Branches");
  style_adunit_config(ADUNIT_RIGHT_OK);
  login_anonymous_available();
  
  db_prepare(&q, brlistQuery/*works-like:""*/);
  rNow = db_double(0.0, "SELECT julianday('now')");
  @ <div class="brlist"><table id="branchlisttable">
  @ <thead><tr>
  @ <th>Branch Name</th>

  HQuery sURI;

  if( strcmp(PD("type",""),"tree")==0 ){ page_tree(); return; }
  login_check_credentials();
  if( !g.perm.Read ){ login_needed(); return; }
  while( nD>1 && zD[nD-2]=='/' ){ zD[(--nD)-1] = 0; }
  style_header("File List");
  style_adunit_config(ADUNIT_RIGHT_OK);
  sqlite3_create_function(g.db, "pathelement", 2, SQLITE_UTF8, 0,
                          pathelementFunc, 0, 0);
  url_initialize(&sURI, "dir");

  /* If the name= parameter is an empty string, make it a NULL pointer */
  if( zD && strlen(zD)==0 ){ zD = 0; }

    showDirOnly = 1;
    url_add_parameter(&sURI, "nofiles", "1");
    style_header("Folder Hierarchy");
  }else{
    showDirOnly = 0;
    style_header("File Tree");
  }
  style_adunit_config(ADUNIT_RIGHT_OK);
  if( P("expand")!=0 ){
    startExpanded = 1;
    url_add_parameter(&sURI, "expand", "1");
  }else{
    startExpanded = 0;
  }

/*
** Check to see if the header contains the zNeedle string.  Return true
** if it does and false if it does not.
*/
int cgi_header_contains(const char *zNeedle){
  return strstr(blob_str(&cgiContent[0]), zNeedle)!=0;
}
int cgi_body_contains(const char *zNeedle){
  return strstr(blob_str(&cgiContent[1]), zNeedle)!=0;
}

/*
** Append reply content to what already exists.
*/
void cgi_append_content(const char *zData, int nAmt){
  blob_append(pContent, zData, nAmt);
}

  Th_Store("doc_name", zName);
  Th_Store("doc_version", db_text(0, "SELECT '[' || substr(uuid,1,10) || ']'"
                                     "  FROM blob WHERE rid=%d", vid));
  Th_Store("doc_date", db_text(0, "SELECT datetime(mtime) FROM event"
                                  " WHERE objid=%d AND type='ci'", vid));
  if( fossil_strcmp(zMime, "text/x-fossil-wiki")==0 ){
    Blob title, tail;
    style_adunit_config(ADUNIT_RIGHT_OK);
    if( wiki_find_title(&filebody, &title, &tail) ){
      style_header("%s", blob_str(&title));
      wiki_convert(&tail, 0, WIKI_BUTTONS);
    }else{
      style_header("Documentation");
      wiki_convert(&filebody, 0, WIKI_BUTTONS);
    }

      ** code prefix, and LOGIN is the user name.
      */
      login_set_user_cookie(zUsername, uid, NULL);
      redirect_to_g();
    }
  }
  style_header("Login/Logout");
  style_adunit_config(ADUNIT_OFF);
  @ %s(zErrMsg)
  if( zGoto && P("anon")==0 ){
    @ <p>A login is required for <a href="%h(zGoto)">%h(zGoto)</a>.</p>
  }
  form_begin(0, "%R/login");
  if( zGoto ){
    @ <input type="hidden" name="g" value="%h(zGoto)" />

    db_multi_exec("DELETE FROM config WHERE name GLOB 'adunit*'");
    cgi_replace_parameter("adunit","");
  }

  style_header("Edit Ad Unit");
  @ <form action="%s(g.zTop)/setup_adunit" method="post"><div>
  login_insert_csrf_secret();
  @ <b>Banner Ad-Unit:</b><br />

 textarea_attribute("", 6, 80, "adunit", "adunit", "", 0);
  @ <br />
  @ <b>Right-Column Ad-Unit:</b><br />
  textarea_attribute("", 6, 80, "adunit-right", "adright", "", 0);
  @ <br />
  onoff_attribute("Omit ads to administrator",
     "adunit-omit-if-admin", "oia", 0, 0);
  @ <br />
  onoff_attribute("Omit ads to logged-in users",
     "adunit-omit-if-user", "oiu", 0, 0);
  @ <br />
  @ <input type="submit" name="submit" value="Apply Changes" />
  @ <input type="submit" name="clear" value="Delete Ad-Unit" />
  @ </div></form>
  @ <hr />
  @ <b>Ad-Unit Notes:</b><ul>
  @ <li>Leave both Ad-Units blank to disable all advertising.
  @ <li>The "Banner Ad-Unit" is used for wide pages.
  @ <li>The "Right-Column Ad-Unit" is used on pages with tall, narrow content.
  @ <li>If the "Right-Column Ad-Unit" is blank, the "Banner Ad-Unit" is used on all pages.
  @ <li>Suggested <a href="setup_editcss">CSS</a> changes:
  @ <blockquote><pre>
  @ div.adunit_banner {
  @   margin: auto;
  @   width: 100%;
  @ }
  @ div.adunit_right {
  @   float: right;
  @ }
  @ div.adunit_right_container {
  @   min-height: <i>height-of-right-column-ad-unit</i>;
  @ }
  @ </pre></blockquote>
  @ <li>For a place-holder Ad-Unit for testing, Copy/Paste the following
  @ with appropriate adjustments to "width:" and "height:".
  @ <blockquote><pre>
  @ &lt;div style='
  @   margin: 0 auto;
  @   width: 600px;
  @   height: 90px;
  @   border: 1px solid #f11;
  @   background-color: #fcc;
  @ '&gt;Demo Ad&lt;/div&gt;
  @ </pre></blockquote>
  @ </li>
  style_footer();
  db_end_transaction(0);
}

/*
** WEBPAGE: setup_logo
*/

** WEBPAGE:  sitemap
**
** Show an incomplete list of web pages offered by the Fossil web engine.
*/
void sitemap_page(void){
  login_check_credentials();
  style_header("Site Map");
  style_adunit_config(ADUNIT_RIGHT_OK);
  @ <p>
  @ The following links are just a few of the many web-pages available for
  @ this Fossil repository:
  @ </p>
  @
  @ <ul>
  @ <li>%z(href("%R/home"))Home Page</a></li>

  char zBuf[100];
  const char *p;

  login_check_credentials();
  if( !g.perm.Read ){ login_needed(); return; }
  brief = P("brief")!=0;
  style_header("Repository Statistics");
  style_adunit_config(ADUNIT_RIGHT_OK);
  if( g.perm.Admin ){
    style_submenu_element("URLs", "URLs and Checkouts", "urllist");
    style_submenu_element("Schema", "Repository Schema", "repo_schema");
    style_submenu_element("Web-Cache", "Web-Cache Stats", "cachestat");
  }
  @ <table class="label-value">
  @ <tr><th>Repository&nbsp;Size:</th><td>

void urllist_page(void){
  Stmt q;
  int cnt;
  login_check_credentials();
  if( !g.perm.Admin ){ login_needed(); return; }

  style_header("URLs and Checkouts");
  style_adunit_config(ADUNIT_RIGHT_OK);
  style_submenu_element("Stat", "Repository Stats", "stat");
  style_submenu_element("Schema", "Repository Schema", "repo_schema");
  @ <div class="section">URLs</div>
  @ <table border="0" width='100%%'>
  db_prepare(&q, "SELECT substr(name,9), datetime(mtime,'unixepoch')"
                 "  FROM config WHERE name GLOB 'baseurl:*' ORDER BY 2 DESC");
  cnt = 0;

*/
void repo_schema_page(void){
  Stmt q;
  login_check_credentials();
  if( !g.perm.Admin ){ login_needed(); return; }

  style_header("Repository Schema");
  style_adunit_config(ADUNIT_RIGHT_OK);
  style_submenu_element("Stat", "Repository Stats", "stat");
  style_submenu_element("URLs", "URLs and Checkouts", "urllist");
  db_prepare(&q, "SELECT sql FROM %s.sqlite_master WHERE sql IS NOT NULL",
             db_name("repository"));
  @ <pre>
  while( db_step(&q)==SQLITE_ROW ){
    @ %h(db_column_text(&q, 0));
  }
  @ </pre>
  db_finalize(&q);
  style_footer();
}

static int headerHasBeenGenerated = 0;

/*
** remember, if a sidebox was used
*/
static int sideboxUsed = 0;

/*
** Ad-unit styles.
*/
static unsigned adUnitFlags = 0;


/*
** List of hyperlinks and forms that need to be resolved by javascript in
** the footer.
*/
char **aHref = 0;
int nHref = 0;

  @ function gebi(x){
  @ if(/^#/.test(x)) x = x.substr(1);
  @ var e = document.getElementById(x);
  @ if(!e) throw new Error("Expecting element with ID "+x);
  @ else return e;}
  @ </script>
}

#if INTERFACE
/* Allowed parameters for style_adunit() */
#define ADUNIT_OFF        0x0001       /* Do not allow ads on this page */
#define ADUNIT_RIGHT_OK   0x0002       /* Right-side vertical ads ok here */
#endif   

/*
** Various page implementations can invoke this interface to let the
** style manager know what kinds of ads are appropriate for this page.
*/
void style_adunit_config(unsigned int mFlags){
  adUnitFlags = mFlags;
}

/*
** Return the text of an ad-unit, if one should be rendered.  Return
** NULL if no ad-unit is desired.
**
** The *pAdFlag value might be set to ADUNIT_RIGHT_OK if this is
** a right-hand vertical ad.
*/
static const char *style_adunit_text(unsigned int *pAdFlag){
  const char *zAd = 0;
  *pAdFlag = 0;
  if( adUnitFlags & ADUNIT_OFF ) return 0;  /* Disallow ads on this page */
  if( g.perm.Admin && db_get_boolean("adunit-omit-if-admin",0) ){
    return 0;
  }
  if( !login_is_nobody()
   && fossil_strcmp(g.zLogin,"anonymous")!=0
   && db_get_boolean("adunit-omit-if-user",0)
  ){
    return 0;
  }
  if( (adUnitFlags & ADUNIT_RIGHT_OK)!=0
   && !fossil_all_whitespace(zAd = db_get("adunit-right", 0))
   && !cgi_body_contains("<table")
  ){
    *pAdFlag = ADUNIT_RIGHT_OK;
    return zAd;
  }else if( !fossil_all_whitespace(zAd = db_get("adunit",0)) ){
    return zAd;
  }
  return 0;
}

/*
** Draw the footer at the bottom of the page.
*/
void style_footer(void){
  const char *zFooter;
  const char *zAd = 0;
  unsigned int mAdFlags = 0;

  if( !headerHasBeenGenerated ) return;

  /* Go back and put the submenu at the top of the page.  We delay the
  ** creation of the submenu until the end so that we can add elements
  ** to the submenu while generating page text.
  */

        @ <span class="label">%h(p->zLabel)</span>
      }else{
        @ <a class="label" href="%h(p->zLink)">%h(p->zLabel)</a>
      }
    }
    @ </div>
  }

  zAd = style_adunit_text(&mAdFlags);
  if( (mAdFlags & ADUNIT_RIGHT_OK)!=0  ){
    @ <div class="content adunit_right_container">
    @ <div class="adunit_right">
    cgi_append_content(zAd, -1);
    @ </div>
  }else{
    if( zAd ){
      @ <div class="adunit_banner">
      cgi_append_content(zAd, -1);
      @ </div>
    }
    @ <div class="content">
  }
  cgi_destination(CGI_BODY);

  if( sideboxUsed ){
    /* Put the footer at the bottom of the page.
    ** the additional clear/both is needed to extend the content
    ** part to the end of an optional sidebox.
    */

  return;

tag_cmd_usage:
  usage("add|cancel|find|list ...");
}

/*
** WEBPAGE: taglist
*/
void taglist_page(void){
  Stmt q;

  login_check_credentials();
  if( !g.perm.Read ){
    login_needed();
  }
  login_anonymous_available();
  style_header("Tags");
  style_adunit_config(ADUNIT_RIGHT_OK);
  style_submenu_element("Timeline", "Timeline", "tagtimeline");
  @ <h2>Non-propagating tags:</h2>
  db_prepare(&q,
    "SELECT substr(tagname,5)"
    "  FROM tag"
    " WHERE EXISTS(SELECT 1 FROM tagxref"
    "               WHERE tagid=tag.tagid"

** only lower-case ASCII hexadecimal values.
*/
int fossil_is_uuid(const char *zSym){
  return zSym
    && (UUID_SIZE==strlen(zSym))
    && validate16(zSym, UUID_SIZE);
}

/*
** Return true if the input string is NULL or all whitespace.
** Return false if the input string contains text.
*/
int fossil_all_whitespace(const char *z){
  if( z==0 ) return 1;
  while( fossil_isspace(z[0]) ){ z++; }
  return z[0]==0;
}