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Step 145: add Org-mode rendering and source blocks

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Bill
2026-02-09 18:26:28 -07:00
parent abd41217d3
commit 7ae51ebd2e
9 changed files with 554 additions and 109 deletions
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36
editor/src/SyntaxHighlighter.h
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@@ -24,6 +24,12 @@ extern "C" {
const TSLanguage* tree_sitter_java();
const TSLanguage* tree_sitter_rust();
const TSLanguage* tree_sitter_go();
#if !defined(WHETSTONE_ENABLE_ORG)
#define WHETSTONE_ENABLE_ORG 0
#endif
#if WHETSTONE_ENABLE_ORG
const TSLanguage* tree_sitter_org();
#endif
}
enum class TokenCategory {
@@ -65,6 +71,9 @@ public:
else if (language == "java") lang = tree_sitter_java();
else if (language == "rust") lang = tree_sitter_rust();
else if (language == "go") lang = tree_sitter_go();
#if WHETSTONE_ENABLE_ORG
else if (language == "org") lang = tree_sitter_org();
#endif
if (!lang) {
ts_parser_delete(parser);
@@ -85,6 +94,9 @@ public:
else if (language == "java") walkJava(root, source, spans);
else if (language == "rust") walkRust(root, source, spans);
else if (language == "go") walkGo(root, source, spans);
#if WHETSTONE_ENABLE_ORG
else if (language == "org") walkOrgSimple(source, spans);
#endif
ts_tree_delete(tree);
ts_parser_delete(parser);
@@ -732,4 +744,28 @@ private:
}
}
}
// --- Org -----------------------------------------------------------
static void walkOrgSimple(const std::string& source,
std::vector<HighlightSpan>& spans) {
size_t start = 0;
while (start < source.size()) {
size_t end = source.find('\n', start);
if (end == std::string::npos) end = source.size();
std::string line = source.substr(start, end - start);
std::string trimmed = line;
while (!trimmed.empty() && (trimmed.back() == '\r' || trimmed.back() == '\n')) {
trimmed.pop_back();
}
if (!trimmed.empty() && trimmed[0] == '*') {
spans.push_back({(uint32_t)start, (uint32_t)end, TokenCategory::Keyword});
} else if (trimmed.rfind("#+begin_src", 0) == 0 ||
trimmed.rfind("#+end_src", 0) == 0 ||
trimmed.rfind("#+", 0) == 0) {
spans.push_back({(uint32_t)start, (uint32_t)end, TokenCategory::Comment});
}
start = end + 1;
}
}
};