From 4ec155d70d810ee4cb0d6a825fdae4eb1515ff40 Mon Sep 17 00:00:00 2001
From: Filipp <samoylovfp@gmail.com>
Date: Tue, 28 Mar 2023 11:00:26 +0300
Subject: [PATCH] WIP fixing relative links

check the FIXMEs
---
 src/generator/lib/util.py                   | 28 +++++++++++++++++++++
 src/generator/templates/api/lib/rbuild.mako |  6 ++---
 2 files changed, 31 insertions(+), 3 deletions(-)

diff --git a/src/generator/lib/util.py b/src/generator/lib/util.py
index 0ddc7616b1..bcc5b193d7 100644
--- a/src/generator/lib/util.py
+++ b/src/generator/lib/util.py
@@ -1,6 +1,7 @@
 import os
 import re
 import subprocess
+import urllib
 
 import inflect
 from dataclasses import dataclass
@@ -1173,6 +1174,33 @@ def string_impl(p):
         "string": lambda x: x
     }.get(p.get("format", p["type"]), lambda x: f"{x}.to_string()")
 
+MD_LINKS_CAPTURE = re.compile(r'''
+    \[          # Opening bracket for the "name" part of the url
+        ([^]]+?) # Some amount of non-closing bracket `]` symbols,
+                # Captured in a group
+    \]          # Close the name part
+    \s*         # maybe a whitespace
+    \(          # Opening a paren for the url part
+        ([^)]+?) # Url, captured in a group
+    \)          # closing paren
+''', re.VERBOSE)
+
+# FIXME: combine with links handling in <lib.mako>.docs
+def fix_relative_links(url_base):
+    url_parsed = urllib.parse.urlparse(url_base)
+    url_base = f"{url_parsed.scheme}://{url_parsed.netloc}"
+    def replace_url(url_match: re.match):
+        original_url = url_match.group(0)
+        name = url_match.group(1)
+        url = url_match.group(2)
+        if url.startswith('/'):
+            return f"[{name}]({url_base}{url})"
+        return original_url
+
+    def fixer(docs):
+        # FIXME: replace with proper markdown parser and documentationLink value
+        return MD_LINKS_CAPTURE.sub(replace_url, docs)
+    return fixer
 
 if __name__ == '__main__':
     raise AssertionError('For import only')
diff --git a/src/generator/templates/api/lib/rbuild.mako b/src/generator/templates/api/lib/rbuild.mako
index 696f3e6b66..037a08beab 100644
--- a/src/generator/templates/api/lib/rbuild.mako
+++ b/src/generator/templates/api/lib/rbuild.mako
@@ -6,7 +6,7 @@
                       rust_copy_value_s, organize_params, REQUEST_VALUE_PROPERTY_NAME,
                       build_all_params, rb_type_params_s, hub_type_params_s, mb_type_params_s, mb_additional_type_params, 
                       struct_type_bounds_s, METHODS_RESOURCE, SPACES_PER_TAB, prefix_all_but_first_with,
-                      METHODS_BUILDER_MARKER_TRAIT, remove_empty_lines, method_default_scope, rust_doc_sanitize)
+                      METHODS_BUILDER_MARKER_TRAIT, remove_empty_lines, method_default_scope, rust_doc_sanitize, fix_relative_links)
 %>\
 <%namespace name="util" file="../../../lib/util.mako"/>\
 <%namespace name="lib" file="lib.mako"/>\
@@ -80,7 +80,7 @@ impl${rb_params} ${ThisType} {
     % if 'description' in m:
     /// Create a builder to help you perform the following task:
     ///
-    ${m.description | rust_doc_sanitize, rust_doc_comment, indent_all_but_first_by(1)}
+    ${m.description | fix_relative_links(documentationLink), rust_doc_sanitize, rust_doc_comment, indent_all_but_first_by(1)}
     % endif
     % if required_props:
     /// 
@@ -91,7 +91,7 @@ impl${rb_params} ${ThisType} {
         arg_prefix = "/// * `" + p.name + "` - "
 %>\
     ${arg_prefix}${p.get('description', "No description provided.")
-        | remove_empty_lines, prefix_all_but_first_with(' ' * SPACES_PER_TAB + '///'  + ' ' * (len(arg_prefix) - len('///')))}
+        | fix_relative_links(documentationLink), remove_empty_lines, prefix_all_but_first_with(' ' * SPACES_PER_TAB + '///'  + ' ' * (len(arg_prefix) - len('///')))}
     % endfor
     % endif
     pub fn ${mangle_ident(a)}${type_params}(&self${method_args}) -> ${RType}${mb_tparams} {