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d5fd7e02ba
This CL fixes up the various lint errors. Change-Id: If4d3077b55aadec33980452c43917194d803fac6 Reviewed-on: https://dawn-review.googlesource.com/c/tint/+/31680 Reviewed-by: Ben Clayton <bclayton@google.com> Reviewed-by: Ryan Harrison <rharrison@chromium.org> Commit-Queue: dan sinclair <dsinclair@chromium.org>
101 lines
2.8 KiB
C++
101 lines
2.8 KiB
C++
// Copyright 2020 The Tint Authors.
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//
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// Licensed under the Apache License, Version 2.0 (the "License");
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// you may not use this file except in compliance with the License.
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// You may obtain a copy of the License at
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//
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// http://www.apache.org/licenses/LICENSE-2.0
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//
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// Unless required by applicable law or agreed to in writing, software
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// distributed under the License is distributed on an "AS IS" BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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// See the License for the specific language governing permissions and
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// limitations under the License.
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#include <unistd.h>
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#include <cstring>
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#include "src/diagnostic/printer.h"
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namespace tint {
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namespace diag {
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namespace {
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bool supports_colors(FILE* f) {
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if (!isatty(fileno(f))) {
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return false;
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}
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const char* cterm = getenv("TERM");
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if (cterm == nullptr) {
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return false;
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}
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std::string term = getenv("TERM");
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if (term != "cygwin" && term != "linux" && term != "rxvt-unicode-256color" &&
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term != "rxvt-unicode" && term != "screen-256color" && term != "screen" &&
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term != "tmux-256color" && term != "tmux" && term != "xterm-256color" &&
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term != "xterm-color" && term != "xterm") {
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return false;
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}
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return true;
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}
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class PrinterLinux : public Printer {
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public:
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PrinterLinux(FILE* f, bool colors)
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: file(f), use_colors(colors && supports_colors(f)) {}
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void write(const std::string& str, const Style& style) override {
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write_color(style.color, style.bold);
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fwrite(str.data(), 1, str.size(), file);
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write_color(Color::kDefault, false);
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}
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private:
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constexpr const char* color_code(Color color, bool bold) {
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switch (color) {
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case Color::kDefault:
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return bold ? "\u001b[1m" : "\u001b[0m";
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case Color::kBlack:
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return bold ? "\u001b[30;1m" : "\u001b[30m";
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case Color::kRed:
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return bold ? "\u001b[31;1m" : "\u001b[31m";
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case Color::kGreen:
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return bold ? "\u001b[32;1m" : "\u001b[32m";
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case Color::kYellow:
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return bold ? "\u001b[33;1m" : "\u001b[33m";
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case Color::kBlue:
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return bold ? "\u001b[34;1m" : "\u001b[34m";
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case Color::kMagenta:
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return bold ? "\u001b[35;1m" : "\u001b[35m";
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case Color::kCyan:
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return bold ? "\u001b[36;1m" : "\u001b[36m";
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case Color::kWhite:
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return bold ? "\u001b[37;1m" : "\u001b[37m";
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}
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return ""; // unreachable
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}
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void write_color(Color color, bool bold) {
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if (use_colors) {
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auto* code = color_code(color, bold);
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fwrite(code, 1, strlen(code), file);
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}
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}
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FILE* const file;
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bool const use_colors;
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};
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} // namespace
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std::unique_ptr<Printer> Printer::create(FILE* out, bool use_colors) {
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return std::make_unique<PrinterLinux>(out, use_colors);
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}
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} // namespace diag
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} // namespace tint
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