Intermediate changes

commit_hash:53ee5ad3f72b210dbba037e11d60c0237a7e7af0

1 files changed, 41 insertions, 0 deletions

diff --git a/yql/essentials/utils/docs/page.cpp b/yql/essentials/utils/docs/page.cpp
index 3543ba0737f..33c2a059c5d 100644
--- a/yql/essentials/utils/docs/page.cpp
+++ b/yql/essentials/utils/docs/page.cpp
@@ -1,7 +1,41 @@
 #include "page.h"
 
+#include <yql/essentials/utils/yql_panic.h>
+
+#include <contrib/libs/re2/re2/re2.h>
+
 namespace NYql::NDocs {
 
+    TString ResolvedMarkdownText(TStringBuf relativePath, TString text, TStringBuf baseURL) {
+        static const RE2 anchorRegex(R"re(\[([^\\\]]+)\]\((#[^\\)]+)\))re");
+        static const RE2 linkRegex(R"re(\[([^\\\]]+)\]\(([A-Za-z0-9/_\-\.]+).md(#[^\\)]+)?\))re");
+
+        TString base = TString(baseURL) + "/" + TString(relativePath);
+        TString anchorRewrite = "[\\1](" + base + "\\2)";
+        TString linkRewrite = "[\\1](" + base + "/../" + "\\2\\3)";
+
+        TString error;
+        YQL_ENSURE(
+            anchorRegex.CheckRewriteString(anchorRewrite, &error),
+            "Bad rewrite '" << anchorRewrite << "': " << error);
+        YQL_ENSURE(
+            linkRegex.CheckRewriteString(linkRewrite, &error),
+            "Bad rewrite '" << linkRewrite << "': " << error);
+
+        RE2::GlobalReplace(&text, anchorRegex, anchorRewrite);
+        RE2::GlobalReplace(&text, linkRegex, linkRewrite);
+
+        return text;
+    }
+
+    TMarkdownPage Resolved(TStringBuf relativePath, TMarkdownPage page, TStringBuf baseURL) {
+        page.Text = ResolvedMarkdownText(relativePath, page.Text, baseURL);
+        for (auto& [_, section] : page.SectionsByAnchor) {
+            section.Body = ResolvedMarkdownText(relativePath, section.Body, baseURL);
+        }
+        return page;
+    }
+
     TPages ParsePages(TResourcesByRelativePath resources) {
         TPages pages;
         for (auto& [path, resource] : resources) {
@@ -11,4 +45,11 @@ namespace NYql::NDocs {
         return pages;
     }
 
+    TPages Resolved(TPages pages, TStringBuf baseURL) {
+        for (auto& [relativeURL, page] : pages) {
+            page = Resolved(relativeURL, std::move(page), baseURL);
+        }
+        return pages;
+    }
+
 } // namespace NYql::NDocs