Fixed a stoll bug that was there since day one, html parser, fix pkgconfig

include/TessesFramework/Serialization/BitConverter.hpp

@@ -83,6 +83,12 @@ class BitConverter {
 
     static void FromUuid(uint8_t &b, const Uuid &uuid);
 
+    static bool TryParseSigned(const std::string &str, int64_t &val,
+                               int base = 10);
+    static bool TryParseUnsigned(const std::string &str, uint64_t &val,
+                                 int base = 10);
+    static bool TryParseDouble(const std::string &str, double &val);
+
     static inline bool IsLittleEndian() {
         uint8_t a[2];
         a[0] = 0x01;

include/TessesFramework/Serialization/Html.hpp

@@ -0,0 +1,71 @@
+/*
+    TessesFramework a library to make C++ easier for me, used in CrossLang:
+    https://git.tesses.org/tesses50/crosslang
+
+    Copyright (C) 2026 Mike Nolan
+    SPDX-License-Identifier: GPL-3.0-or-later WITH TessesFramework-Exception-1.0
+
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program is distributed in the hope that it will be useful,
+    but WITHOUT ANY WARRANTY; without even the implied warranty of
+    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+    GNU General Public License for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <https://www.gnu.org/licenses/>.
+*/
+
+#pragma once
+#include "../TextStreams/TextReader.hpp"
+namespace Tesses::Framework::Serialization::Html {
+
+struct HtmlNode;
+struct HtmlNode : public std::enable_shared_from_this<HtmlNode> {
+
+    std::string text_or_tag;
+    std::vector<std::pair<std::string, std::optional<std::string>>> attributes;
+    std::vector<std::shared_ptr<HtmlNode>> children;
+    bool isText = false;
+
+    void FindNodes(std::string_view tag,
+                   std::vector<std::shared_ptr<const HtmlNode>> &nodes) const;
+    std::vector<std::shared_ptr<const HtmlNode>>
+    FindNodes(std::string_view tag) const;
+
+    void ToString(std::string &str) const;
+    std::string ToString() const;
+
+    void InnerText(std::string &str) const;
+    std::string InnerText() const;
+    static std::shared_ptr<HtmlNode> FromText(std::string_view text);
+    static std::shared_ptr<HtmlNode>
+    FromNode(std::string_view name,
+             std::initializer_list<
+                 std::pair<std::string, std::optional<std::string>>>
+                 attrs,
+             std::initializer_list<std::shared_ptr<HtmlNode>> nodes);
+    static std::shared_ptr<HtmlNode> FromNode(
+        std::string_view name,
+        std::vector<std::pair<std::string, std::optional<std::string>>> attrs,
+        std::vector<std::shared_ptr<HtmlNode>> nodes);
+
+    template <typename IttrAttrs, typename IttrNodes>
+    static std::shared_ptr<HtmlNode>
+    FromNode(std::string_view name, IttrAttrs attrBegin, IttrAttrs attrEnd,
+             IttrNodes nodesBegin, IttrNodes nodesEnd) {
+        auto node = std::make_shared<HtmlNode>();
+        node->isText = false;
+        node->text_or_tag = std::string{name};
+        node->attributes.insert(node->attributes.end(), attrBegin, attrEnd);
+        node->children.insert(node->children.end(), nodesBegin, nodesEnd);
+        return node;
+    }
+};
+
+std::shared_ptr<HtmlNode>
+Parse(std::shared_ptr<TextStreams::TextReader> reader);
+} // namespace Tesses::Framework::Serialization::Html