Collection of themes/skins for the Fossil SCM

⌈⌋ ⎇ branch:  Fossil Skins Extra


Check-in [18aea61ba2]

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Overview
Comment:Support technotes
Downloads: Tarball | ZIP archive | SQL archive
Timelines: family | ancestors | descendants | both | trunk
Files: files | file ages | folders
SHA1: 18aea61ba2cb9a8cdbc1b194a14e0802854a0419
User & Date: mario 2022-01-21 21:30:50
Context
2022-01-29
14:29
Generates sitemap.xml from wiki pages, doc files, technotes check-in: 94b31e1ce3 user: mario tags: trunk
2022-01-21
21:30
Support technotes check-in: 18aea61ba2 user: mario tags: trunk
2021-10-28
01:21
Enable wikitag saving (via new `fossil_exec()`) check-in: c09979b7a9 user: mario tags: trunk
Changes
Hide Diffs Unified Diffs Ignore Whitespace Patch

Changes to extroot/fx_meta. 

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#!/usr/bin/php-cgi -dcgi.force_redirect=0
<?php
# encoding: utf-8
# api: cgi
# type: store
# category: template
# title: fx_meta cache
# description: Prepare twitter tags for wiki + doc pages
# version: 0.55
# state: alpha
# config:
#    { name: project-twitter, type: str, value: "", description: "Twitter handle for project (e.g. @sqlite1)" }
# access: admin
#
# Crafts a `fx_meta` database table to prepare twitter previews
# and image links, or other <meta> and <link> fields.









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#!/usr/bin/php-cgi -dcgi.force_redirect=0
<?php
# encoding: utf-8
# api: cgi
# type: store
# category: template
# title: fx_meta cache
# description: Prepare twitter tags for wiki + doc pages
# version: 0.6
# state: alpha
# config:
#    { name: project-twitter, type: str, value: "", description: "Twitter handle for project (e.g. @sqlite1)" }
# access: admin
#
# Crafts a `fx_meta` database table to prepare twitter previews
# and image links, or other <meta> and <link> fields.
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}

#-- init
db("CREATE TABLE IF NOT EXISTS fx_meta (name TEXT, meta TEXT)");
db("DELETE FROM fx_meta");
wiki_pages();
doc_pages();



#-- loop through pages
function wiki_pages() {
    foreach (db("SELECT substr(tagname,6) AS name FROM tag WHERE tagname LIKE 'wiki-%';") as $page) {
        $page = $page["name"];
        print "<li>$page\n";
        $q = "escapeshellarg";
        $html = shell_exec("fossil --nocgi wiki export --html {$q($page)} -R {$q($_SERVER['FOSSIL_REPOSITORY'])} 2>&1");
        insert_meta(
            "wiki?name=$page",
            meta_wiki($page, $html)
        );
    }
}





#-- scan *.md/wiki files
function doc_pages() {
    foreach (db("SELECT name FROM filename") as $page) {
        $fn = $page["name"];
        if (!preg_match("/\.(md|wiki)$/", $fn)) {
            continue;
        }
        print "<li>$fn\n";
        $q = "escapeshellarg";
        $md = shell_exec("fossil --nocgi cat {$q($fn)} -R {$q($_SERVER['FOSSIL_REPOSITORY'])} 2>&1");
        if (!$md) {
            continue;
        }
        $meta = meta_wiki($fn, $md);
        insert_meta("doc/trunk/$fn", $meta);
        insert_meta("doc/tip/$fn", $meta);
    }
}

# <meta> and <link>s for a wiki page
#  · wiki?name=PageName
function meta_wiki($name, $html) {


    $html = preg_replace("~<table.+?</table>~s", "", $html);
    $text = trim(preg_replace("~\s+~", " ", strip_tags($html)));
    $desc = substr($text, 0, 250);


    $twitter = trim(get_config("project-twitter", PROJECT_TWITTER), "@");
    $h = "h";





    if (preg_match("~<img[^>]+ src=[\"']? ([^\"'\s>]+)~x", $html, $uu) || preg_match("~(raw/\w+) \?m=image/~x", $html, $uu) or $uu=["","logo"]) {
        $img = $uu[1];
        if (strstr($img, "://")) {
        }
        elseif (preg_match("~raw/|doc/|^logo$~", $img)) {
            $img = $_SERVER["FOSSIL_SELF"] . $img;
        }
        elseif ($img[0] == "/") {
            $img = "https://$_SERVER[SERVER_NAME]$img";
        }

        $meta = <<<EOF
  <meta name="twitter:card" content="summary">
  <meta name="twitter:site" content="@$twitter">
  <meta name="twitter:creator" content="@$twitter">
  <meta name="twitter:title" content="{$h($name)}">
  <meta name="twitter:description" content="{$h($desc)}">
  <meta name="twitter:image" content="{$h($img)}">
  <meta name="twitter:image:src" content="{$h($img)}">
EOF;
        # could add FB (og:image, og:title, og:description, og:url) as well
    }
    else {
        $meta = "  <meta name=description content=\"{$h($desc)}\">\n";
    }

    $meta = preg_replace("~(?<!:)//+~", "/", $meta); // replace any double // in paths
    return $meta;
}









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}

#-- init
db("CREATE TABLE IF NOT EXISTS fx_meta (name TEXT, meta TEXT)");
db("DELETE FROM fx_meta");
wiki_pages();
doc_pages();
wiki_event();


#-- loop through pages
function wiki_pages($tagprefix="wiki-", $cli_args="", $url="wiki?name=", $long=0) {
    foreach (db("SELECT tagname AS name FROM tag WHERE tagname LIKE '$tagprefix%';") as $page) {
        $page = substr($page["name"], strpos($page["name"], "-") + 1);
        print "<li>$page\n";
        $q = "escapeshellarg";
        $html = shell_exec("fossil --nocgi wiki export $cli_args --html {$q($page)} -R {$q($_SERVER['FOSSIL_REPOSITORY'])} 2>&1");
        insert_meta(
            $url . $page,
            html_meta($page, $html, $long)
        );
    }
}
#-- technotes
function wiki_event() {
    wiki_pages("event-", "--technote", "technote/", 1);
}

#-- scan *.md/wiki files
function doc_pages() {
    foreach (db("SELECT name FROM filename") as $page) {
        $fn = $page["name"];
        if (!preg_match("/\.(md|wiki)$/", $fn)) {
            continue;
        }
        print "<li>$fn\n";
        $q = "escapeshellarg";
        $md = shell_exec("fossil --nocgi cat {$q($fn)} -R {$q($_SERVER['FOSSIL_REPOSITORY'])} 2>&1");
        if (!$md) {
            continue;
        }
        $meta = html_meta($fn, $md);
        insert_meta("doc/trunk/$fn", $meta);
        insert_meta("doc/tip/$fn", $meta);
    }
}

# <meta> and <link>s for a wiki page
#  · wiki?name=PageName
function html_meta($name, $html, $long=0) {

    # cleanup
    $html = preg_replace("~<table.+?</table>~s", "", $html);
    $text = trim(preg_replace("~\s+~", " ", strip_tags($html)));
    $desc = substr($text, 0, 250);
    
    # prepare tags
    $twitter = trim(get_config("project-twitter", PROJECT_TWITTER), "@");
    $h = "h";
    if ($long && preg_match("~<h\d>(.+)</h\d>~", $html, $uu)) {
        $name = $uu[1];  // technote pages require a headline
    }
    
    # check for image
    if (preg_match("~<img[^>]+ src=[\"']? ([^\"'\s>]+)~x", $html, $uu) || preg_match("~(raw/\w+) \?m=image/~x", $html, $uu) or $uu=["","logo"]) {
        $img = $uu[1];
        if (strstr($img, "://")) {
        }
        elseif (preg_match("~raw/|doc/|^logo$~", $img)) {
            $img = $_SERVER["FOSSIL_SELF"] . $img;
        }
        elseif ($img[0] == "/") {
            $img = "https://$_SERVER[SERVER_NAME]$img";
        }
        $summary = $long ? "summary_large_image" : "summary";
        $meta = <<<EOF
  <meta name="twitter:card" content="$summary">
  <meta name="twitter:site" content="@$twitter">
  <meta name="twitter:creator" content="@$twitter">
  <meta name="twitter:title" content="{$h($name)}">
  <meta name="twitter:description" content="{$h($desc)}">
  <meta name="twitter:image" content="{$h($img)}">
  <meta name="twitter:image:src" content="{$h($img)}">
EOF;
        # could add FB (og:image, og:title, og:description, og:url) as well
    }
    else {
        $meta = "  <meta name=description content=\"{$h($desc)}\">\n";
    }

    $meta = preg_replace("~(?<!:)//+~", "/", $meta); // replace any double // in paths
    return $meta;
}