From 324e4347d86563d1ab6068c0d4b6268c9c49e256 Mon Sep 17 00:00:00 2001
From: nsfisis <nsfisis@gmail.com>
Date: Sat, 20 Jun 2026 03:12:15 +0900
Subject: feat(platform): implement Runtime::parse_html_extension_info

Co-Authored-By: Claude Opus 4.8 (1M context) <noreply@anthropic.com>
---
 crates/shirabe/src/platform/runtime.rs | 50 ++++++++++++++++++++++++++++++++--
 1 file changed, 48 insertions(+), 2 deletions(-)

(limited to 'crates/shirabe/src/platform/runtime.rs')

diff --git a/crates/shirabe/src/platform/runtime.rs b/crates/shirabe/src/platform/runtime.rs
index 2e04453..156eebb 100644
--- a/crates/shirabe/src/platform/runtime.rs
+++ b/crates/shirabe/src/platform/runtime.rs
@@ -1,7 +1,9 @@
 //! ref: composer/src/Composer/Platform/Runtime.php
 
 use anyhow::Result;
-use shirabe_php_shim::PhpMixed;
+use indexmap::IndexMap;
+use shirabe_external_packages::composer::pcre::{CaptureKey, Preg};
+use shirabe_php_shim::{PhpMixed, html_entity_decode, implode, strip_tags, trim};
 
 #[derive(Debug)]
 pub struct Runtime;
@@ -48,6 +50,50 @@ impl Runtime {
     }
 
     pub fn parse_html_extension_info(html: &str) -> String {
-        todo!()
+        let mut result: Vec<String> = vec![];
+
+        let mut matches: IndexMap<CaptureKey, String> = IndexMap::new();
+        if Preg::match3(
+            r"~<h2>\s*<a[^>]*>([^<]+)</a>\s*</h2>~i",
+            html,
+            Some(&mut matches),
+        ) {
+            result.push(trim(
+                &html_entity_decode(
+                    matches
+                        .get(&CaptureKey::ByIndex(1))
+                        .map(|s| s.as_str())
+                        .unwrap_or(""),
+                ),
+                None,
+            ));
+            result.push(String::new());
+        }
+
+        let mut matches: IndexMap<CaptureKey, Vec<String>> = IndexMap::new();
+        if Preg::match_all3(
+            r#"~<tr>\s*<td class="e">\s*(.*?)\s*</td>\s*<td class="v">\s*(.*?)\s*</td>\s*</tr>~is"#,
+            html,
+            Some(&mut matches),
+        ) > 0
+        {
+            let group1 = matches
+                .get(&CaptureKey::ByIndex(1))
+                .cloned()
+                .unwrap_or_default();
+            let group2 = matches
+                .get(&CaptureKey::ByIndex(2))
+                .cloned()
+                .unwrap_or_default();
+            let count = std::cmp::min(group1.len(), group2.len());
+
+            for i in 0..count {
+                let key = trim(&html_entity_decode(&strip_tags(&group1[i])), None);
+                let value = trim(&html_entity_decode(&strip_tags(&group2[i])), None);
+                result.push(format!("{} => {}", key, value));
+            }
+        }
+
+        implode("\n", &result)
     }
 }
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