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Add archive helpers and harden task runtime

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udo
2026-05-21 00:00:23 +00:00
parent 9f7625c7fd
commit 02e153a6a7
71 changed files with 12817 additions and 305 deletions
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site/demo/index.uce
+3
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@@ -37,6 +37,8 @@ RENDER(Request& context)
<div class="grid-heading">Data Types &amp; Parsing</div>
<? render_card("dtree.uce", "DTree", "Dynamic hierarchical data tree"); ?>
<? render_card("json.uce", "JSON", "Parse and encode JSON data"); ?>
<? render_card("xml.uce", "XML", "Structural XML encode/decode with DTree"); ?>
<? render_card("yaml.uce", "YAML", "Concise config files with DTree"); ?>
<? render_card("preprocessor-comments.uce", "Preprocessor Comments", "Regression coverage for comment parsing in templates"); ?>
<? render_card("regex.uce", "Regular Expressions", "PCRE2 matching, captures, replacement, and splitting"); ?>
<? render_card("string.uce", "String", "String operations"); ?>
@@ -54,6 +56,7 @@ RENDER(Request& context)
<div class="grid-heading">Storage &amp; I/O</div>
<? render_card("fileio.uce", "File I/O", "Read and write files"); ?>
<? if(allow_server_demos) { render_card("zip.uce", "ZIP", "Create, list, read, and extract ZIP archives"); } ?>
<? if(allow_server_demos) { render_card("file_append.uce", "File Append", "Append data to files"); } ?>
<? if(allow_server_demos) { render_card("shell.uce", "Shell", "Execute shell commands"); } ?>
<? if(allow_server_demos) { render_card("memcached.uce", "Memcached", "Memcached key-value store"); } ?>
site/demo/task.uce
+1 -1
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@@ -68,7 +68,7 @@ RENDER(Request& context)
<pre style="white-space: pre-wrap"><?
print("New Task ID: ", task("example-task", []() {
print("New Task ID: ", task(task_name, []() {
sleep(10);
site/demo/task_repeat.uce
+1 -1
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@@ -68,7 +68,7 @@ RENDER(Request& context)
<pre style="white-space: pre-wrap"><?
print("New Task ID: ", task_repeat("example-task", 5, []() {
print("New Task ID: ", task_repeat(task_name, 5, []() {
sleep(1);
site/demo/xml.uce
+61
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@@ -0,0 +1,61 @@
#include "demo_guard.h"
RENDER(Request& context)
{
DTree book;
book["name"] = "book";
book["attrs"]["id"] = "b1";
book["attrs"]["type"] = "reference";
DTree title;
title["name"] = "title";
title["text"] = "UCE & XML";
book["children"].push(title);
DTree chapter;
chapter["name"] = "chapter";
chapter["attrs"]["number"] = "1";
chapter["text"] = "Structural conversion without schema validation.";
book["children"].push(chapter);
String encoded = xml_encode(book);
DTree decoded = xml_decode(encoded);
DTree simple;
simple["title"] = "Hello";
simple["count"] = "3";
String incoming = "<note priority=\"high\"><to>UCE</to><body><![CDATA[5 < 6]]></body><symbol>&#x41;&#66;</symbol></note>";
DTree incoming_tree = xml_decode(incoming);
<>
<link rel="stylesheet" href='style.css'></link>
<h1>
<a href="index.uce">UCE Test</a>:
XML
</h1>
<p><code>xml_encode()</code> and <code>xml_decode()</code> convert between XML strings and element-shaped <code>DTree</code> values without schema validation.</p>
<h2>Encoded Element Tree</h2>
<pre><?= encoded ?></pre>
<h2>Decoded DTree</h2>
<pre><?= json_encode(decoded) ?></pre>
<h2>Simple Map Encoding</h2>
<pre><?= xml_encode(simple, "payload") ?></pre>
<h2>Decode Existing XML</h2>
<p>Input XML:</p>
<pre><?= incoming ?></pre>
<p>Decoded DTree:</p>
<pre><?= json_encode(incoming_tree) ?></pre>
<p>
<a href="../doc/index.uce?p=xml_encode">xml_encode() docs</a>
|
<a href="../doc/index.uce?p=xml_decode">xml_decode() docs</a>
</p>
</>
}
site/demo/yaml.uce
+68
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@@ -0,0 +1,68 @@
#include "demo_guard.h"
RENDER(Request& context)
{
String source = "# UCE app config\n"
"app:\n"
" name: UCE Starter\n"
" debug: true\n"
" port: 8080\n"
" paths:\n"
" - site\n"
" - cache\n"
"message: |\n"
" Keep config files readable.\n"
" Load them as DTree values.\n";
DTree cfg = yaml_decode(source);
String encoded = yaml_encode(cfg);
DTree roundtrip = yaml_decode(encoded);
DTree generated;
generated["database"]["host"] = "localhost";
generated["database"]["port"] = (f64)3306;
generated["features"]["components"].set_bool(true);
generated["features"]["markdown"].set_bool(true);
DTree theme;
theme = "clean";
generated["themes"].push(theme);
theme = "compact";
generated["themes"].push(theme);
<>
<link rel="stylesheet" href='style.css'></link>
<h1>
<a href="index.uce">UCE Test</a>:
YAML
</h1>
<p><code>yaml_encode()</code> and <code>yaml_decode()</code> convert concise config-style YAML to and from <code>DTree</code> values.</p>
<h2>Config Source</h2>
<pre><?= source ?></pre>
<h2>Decoded DTree</h2>
<pre><?= json_encode(cfg) ?></pre>
<h2>Encoded Again</h2>
<pre><?= encoded ?></pre>
<h2>Generated Config</h2>
<pre><?= yaml_encode(generated) ?></pre>
<h2>Round Trip Reads</h2>
<pre><?
print("app.name = ", roundtrip["app"]["name"].to_string(), "\n");
print("app.debug = ", roundtrip["app"]["debug"].to_bool() ? "true" : "false", "\n");
print("app.port = ", std::to_string(roundtrip["app"]["port"].to_s64()), "\n");
print("app.paths[1] = ", roundtrip["app"]["paths"]["1"].to_string(), "\n");
?></pre>
<p>
<a href="../doc/index.uce?p=yaml_encode">yaml_encode() docs</a>
|
<a href="../doc/index.uce?p=yaml_decode">yaml_decode() docs</a>
</p>
</>
}
site/demo/zip.uce
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@@ -0,0 +1,49 @@
#include "demo_guard.h"
RENDER(Request& context)
{
if(!test_demo_request_allowed(context))
{
test_demo_render_restricted_html(context, "ZIP Demo", "create and extract temporary server-side archive files");
return;
}
String base = "/tmp/uce-demo-zip";
String archive = path_join(base, "demo.zip");
String extract_dir = path_join(base, "extract");
mkdir(base);
mkdir(extract_dir);
DTree entries;
entries["hello.txt"] = "Hello from a generated ZIP archive.\n";
entries["notes/readme.txt"] = "zip_create(), zip_list(), zip_read(), and zip_extract() are available to UCE pages.\n";
zip_create(archive, entries);
DTree listing = zip_list(archive);
String hello = zip_read(archive, "hello.txt");
zip_extract(archive, extract_dir);
String extracted = file_get_contents(path_join(extract_dir, "notes/readme.txt"));
String gz_source = "This string was compressed with gz_compress() and restored with gz_uncompress().";
String gz_body = gz_compress(gz_source);
String gz_roundtrip = gz_uncompress(gz_body);
?><html>
<head>
<meta name="viewport" content="width=device-width, initial-scale=1"></meta>
<link rel="stylesheet" href="style.css?v=<?= time() ?>"></link>
</head>
<body>
<h1><a href="index.uce">UCE Test Suite</a> / ZIP</h1>
<p>This demo creates a temporary archive at <code><?= archive ?></code>, lists it, reads one member, and extracts it under <code><?= extract_dir ?></code>.</p>
<h2>zip_list()</h2>
<pre><?= json_encode(listing) ?></pre>
<h2>zip_read()</h2>
<pre><?= hello ?></pre>
<h2>Extracted File</h2>
<pre><?= extracted ?></pre>
<h2>gzip Helpers</h2>
<p>Source bytes: <?= std::to_string((u64)gz_source.size()) ?>; compressed bytes: <?= std::to_string((u64)gz_body.size()) ?></p>
<pre><?= gz_roundtrip ?></pre>
</body>
</html><?
}