Buffet: Move buffet over to platform2 from src/platform/buffet.
This change also open-sources buffet. The only change in this CL
is the removal of the Makefile and addition of the buffet.gyp file.
BUG=chromium:355180
TEST=USE=buffet emerge-gizmo platform2
Change-Id: Ibf8d3ac3f38313f82a9c07d79932b6f30130f9c5
diff --git a/buffet/mime_utils.cc b/buffet/mime_utils.cc
new file mode 100644
index 0000000..a4f29ca
--- /dev/null
+++ b/buffet/mime_utils.cc
@@ -0,0 +1,154 @@
+// Copyright 2014 The Chromium OS Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style license that can be
+// found in the LICENSE file.
+
+#include "buffet/mime_utils.h"
+
+#include <algorithm>
+#include <base/strings/string_util.h>
+
+#include "buffet/string_utils.h"
+
+using namespace chromeos;
+
+//***************************************************************************
+//******************************* MIME types ********************************
+//***************************************************************************
+const char mime::types::kApplication[] = "application";
+const char mime::types::kAudio[] = "audio";
+const char mime::types::kImage[] = "image";
+const char mime::types::kMessage[] = "message";
+const char mime::types::kMultipart[] = "multipart";
+const char mime::types::kText[] = "text";
+const char mime::types::kVideo[] = "video";
+
+const char mime::parameters::kCharset[] = "charset";
+
+const char mime::image::kJpeg[] = "image/jpeg";
+const char mime::image::kPng[] = "image/png";
+const char mime::image::kBmp[] = "image/bmp";
+const char mime::image::kTiff[] = "image/tiff";
+const char mime::image::kGif[] = "image/gif";
+
+const char mime::text::kPlain[] = "text/plain";
+const char mime::text::kHtml[] = "text/html";
+const char mime::text::kXml[] = "text/xml";
+
+const char mime::application::kOctet_stream[] = "application/octet-stream";
+const char mime::application::kJson[] = "application/json";
+const char mime::application::kWwwFormUrlEncoded[] =
+ "application/x-www-form-urlencoded";
+
+//***************************************************************************
+//**************************** Utility Functions ****************************
+//***************************************************************************
+static std::string EncodeParam(std::string const& param) {
+ // If the string contains one of "tspecials" characters as
+ // specified in RFC 1521, enclose it in quotes.
+ if (param.find_first_of("()<>@,;:\\\"/[]?=") != std::string::npos) {
+ return '"' + param + '"';
+ }
+ return param;
+}
+
+static std::string DecodeParam(std::string const& param) {
+ if (param.size() > 1 && param.front() == '"' && param.back() == '"') {
+ return param.substr(1, param.size() - 2);
+ }
+ return param;
+}
+
+//***************************************************************************
+//******************** Main MIME manipulation functions *********************
+//***************************************************************************
+
+bool mime::Split(std::string const& mime_string,
+ std::string* type, std::string* subtype,
+ mime::Parameters* parameters) {
+ std::vector<std::string> parts = string_utils::Split(mime_string, ';');
+ if (parts.empty())
+ return false;
+
+ if (!mime::Split(parts.front(), type, subtype))
+ return false;
+
+ if(parameters) {
+ parameters->clear();
+ parameters->reserve(parts.size() - 1);
+ for (size_t i = 1; i < parts.size(); i++) {
+ auto pair = string_utils::SplitAtFirst(parts[i], '=');
+ pair.second = DecodeParam(pair.second);
+ parameters->push_back(pair);
+ }
+ }
+ return true;
+}
+
+bool mime::Split(std::string const& mime_string,
+ std::string* type, std::string* subtype) {
+ std::string mime = mime::RemoveParameters(mime_string);
+ auto types = string_utils::SplitAtFirst(mime, '/');
+
+ if(type)
+ *type = types.first;
+
+ if(subtype)
+ *subtype = types.second;
+
+ return !types.first.empty() && !types.second.empty();
+}
+
+std::string mime::Combine(std::string const& type, std::string const& subtype,
+ mime::Parameters const& parameters) {
+ std::vector<std::string> parts;
+ parts.push_back(string_utils::Join('/', type, subtype));
+ for (std::pair<std::string, std::string> const& pair : parameters) {
+ parts.push_back(string_utils::Join('=', pair.first,
+ EncodeParam(pair.second)));
+ }
+ return string_utils::Join("; ", parts);
+}
+
+std::string mime::GetType(std::string const& mime_string) {
+ std::string mime = mime::RemoveParameters(mime_string);
+ return string_utils::SplitAtFirst(mime, '/').first;
+}
+
+std::string mime::GetSubtype(std::string const& mime_string) {
+ std::string mime = mime::RemoveParameters(mime_string);
+ return string_utils::SplitAtFirst(mime, '/').second;
+}
+
+mime::Parameters mime::GetParameters(std::string const& mime_string) {
+ std::string type;
+ std::string subtype;
+ mime::Parameters parameters;
+
+ if (mime::Split(mime_string, &type, &subtype, ¶meters))
+ return std::move(parameters);
+
+ return mime::Parameters();
+}
+
+std::string mime::RemoveParameters(std::string const& mime_string) {
+ return string_utils::SplitAtFirst(mime_string, ';').first;
+}
+
+std::string mime::AppendParameter(std::string const& mime_string,
+ std::string const& paramName,
+ std::string const& paramValue) {
+ std::string mime(mime_string);
+ mime += "; ";
+ mime += string_utils::Join('=', paramName, EncodeParam(paramValue));
+ return mime;
+}
+
+std::string mime::GetParameterValue(std::string const& mime_string,
+ std::string const& paramName) {
+ mime::Parameters params = mime::GetParameters(mime_string);
+ for(auto const& pair : params) {
+ if (base::strcasecmp(pair.first.c_str(), paramName.c_str()) == 0)
+ return pair.second;
+ }
+ return std::string();
+}
