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#pragma once
#include "core/result.h"
#include <cstdint>
#include <filesystem>
#include <string>
#include <vector>
namespace Hsdbg
{
class Debugger;
// one coloured run inside a source line; start and length index into the
// line's own string so the spans stay valid as long as the line does
enum class SyntaxKind : uint8_t
{
Default,
Keyword,
Type,
String,
Number,
Comment,
Preprocessor,
};
struct SourceSpan
{
uint32_t start;
uint32_t length;
SyntaxKind kind;
};
class SourceView
{
public:
auto open(const std::filesystem::path& path) -> Result<void>;
auto close() -> void;
auto draw(Debugger& debugger) -> void;
auto set_highlighted_line(uint32_t line) -> void;
auto set_highlighting(bool enabled) -> void { m_highlighting_enabled = enabled; }
auto set_line_numbers(bool enabled) -> void { m_line_numbers = enabled; }
auto set_highlight_current_line(bool enabled) -> void { m_highlight_current_line = enabled; }
// packed ImU32 (0xAABBGGRR) colours, one per SyntaxKind, index 0 unused
auto set_syntax_color(size_t kind, unsigned int color) -> void { m_syntax_colors[kind] = color; }
auto set_current_line_color(unsigned int color) -> void { m_current_line_color = color; }
auto path() const -> const std::filesystem::path& { return m_path; }
auto line_count() const -> size_t { return m_lines.size(); }
auto is_open() const -> bool { return !m_lines.empty(); }
private:
auto draw_open_bar() -> void;
auto draw_lines(Debugger& debugger) -> void;
std::filesystem::path m_path;
std::vector<std::string> m_lines;
std::vector<std::vector<SourceSpan>> m_spans;
bool m_highlight = false;
bool m_highlighting_enabled = true;
bool m_line_numbers = true;
bool m_highlight_current_line = true;
// indexed by SyntaxKind; the defaults match the built-in dark palette
unsigned int m_syntax_colors[7] = {
0, 0xFFD69C56, 0xFFB0C94E, 0xFF7891CE, 0xFFA8CEB5, 0xFF55996A, 0xFFC086C5,
};
unsigned int m_current_line_color = 0xFF2E483A;
std::string m_path_input;
std::string m_error;
uint32_t m_highlighted_line = 0;
bool m_scroll_to_highlight = false;
};
}
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