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//===-- Highlighter.cpp -----------------------------------------*- C++ -*-===//
//
// The LLVM Compiler Infrastructure
//
// This file is distributed under the University of Illinois Open Source
// License. See LICENSE.TXT for details.
//
//===----------------------------------------------------------------------===//
#include "lldb/Core/Highlighter.h"
#include "lldb/Target/Language.h"
#include "lldb/Utility/AnsiTerminal.h"
#include "lldb/Utility/StreamString.h"
using namespace lldb_private;
std::size_t HighlightStyle::ColorStyle::Apply(Stream &s,
llvm::StringRef value) const {
s << m_prefix << value << m_suffix;
// Calculate how many bytes we have written.
return m_prefix.size() + value.size() + m_suffix.size();
}
void HighlightStyle::ColorStyle::Set(llvm::StringRef prefix,
llvm::StringRef suffix) {
m_prefix = lldb_utility::ansi::FormatAnsiTerminalCodes(prefix);
m_suffix = lldb_utility::ansi::FormatAnsiTerminalCodes(suffix);
}
std::size_t NoHighlighter::Highlight(const HighlightStyle &options,
llvm::StringRef line,
llvm::StringRef previous_lines,
Stream &s) const {
// We just forward the input to the output and do no highlighting.
s << line;
return line.size();
}
static HighlightStyle::ColorStyle GetColor(const char *c) {
return HighlightStyle::ColorStyle(c, "${ansi.normal}");
}
HighlightStyle HighlightStyle::MakeVimStyle() {
HighlightStyle result;
result.comment = GetColor("${ansi.fg.purple}");
result.scalar_literal = GetColor("${ansi.fg.red}");
result.keyword = GetColor("${ansi.fg.green}");
return result;
}
const Highlighter &
HighlighterManager::getHighlighterFor(lldb::LanguageType language_type,
llvm::StringRef path) const {
Language *language = lldb_private::Language::FindPlugin(language_type, path);
if (language && language->GetHighlighter())
return *language->GetHighlighter();
return m_no_highlighter;
}
std::string Highlighter::Highlight(const HighlightStyle &options,
llvm::StringRef line,
llvm::StringRef previous_lines) const {
StreamString s;
Highlight(options, line, previous_lines, s);
s.Flush();
return s.GetString().str();
}
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