Move jstemplate_builder.* to ui\webui so it can be reused by webui implementations outside of chrom…

chrome/common/jstemplate_builder.cc

-// Copyright (c) 2012 The Chromium Authors. All rights reserved.
-// Use of this source code is governed by a BSD-style license that can be
-// found in the LICENSE file.
-
-// A helper function for using JsTemplate. See jstemplate_builder.h for more
-// info.
-
-#include "chrome/common/jstemplate_builder.h"
-
-#include "base/json/json_file_value_serializer.h"
-#include "base/json/json_string_value_serializer.h"
-#include "base/logging.h"
-#include "base/string_util.h"
-#include "grit/common_resources.h"
-#include "ui/base/layout.h"
-#include "ui/base/resource/resource_bundle.h"
-
-namespace {
-
-// Non-zero when building version 2 templates. See UseVersion2 class.
-int g_version2 = 0;
-
-}  // namespace
-
-namespace jstemplate_builder {
-
-UseVersion2::UseVersion2() {
-  g_version2++;
-}
-
-UseVersion2::~UseVersion2() {
-  g_version2--;
-}
-
-std::string GetTemplateHtml(const base::StringPiece& html_template,
-                            const DictionaryValue* json,
-                            const base::StringPiece& template_id) {
-  std::string output(html_template.data(), html_template.size());
-  AppendJsonHtml(json, &output);
-  AppendJsTemplateSourceHtml(&output);
-  AppendJsTemplateProcessHtml(template_id, &output);
-  return output;
-}
-
-std::string GetI18nTemplateHtml(const base::StringPiece& html_template,
-                                const DictionaryValue* json) {
-  std::string output(html_template.data(), html_template.size());
-  AppendJsonHtml(json, &output);
-  AppendI18nTemplateSourceHtml(&output);
-  AppendI18nTemplateProcessHtml(&output);
-  return output;
-}
-
-std::string GetTemplatesHtml(const base::StringPiece& html_template,
-                             const DictionaryValue* json,
-                             const base::StringPiece& template_id) {
-  std::string output(html_template.data(), html_template.size());
-  AppendI18nTemplateSourceHtml(&output);
-  AppendJsTemplateSourceHtml(&output);
-  AppendJsonHtml(json, &output);
-  AppendI18nTemplateProcessHtml(&output);
-  AppendJsTemplateProcessHtml(template_id, &output);
-  return output;
-}
-
-void AppendJsonHtml(const DictionaryValue* json, std::string* output) {
-  std::string javascript_string;
-  jstemplate_builder::AppendJsonJS(json, &javascript_string);
-
-  // </ confuses the HTML parser because it could be a </script> tag.  So we
-  // replace </ with <\/.  The extra \ will be ignored by the JS engine.
-  ReplaceSubstringsAfterOffset(&javascript_string, 0, "</", "<\\/");
-
-  output->append("<script>");
-  output->append(javascript_string);
-  output->append("</script>");
-}
-
-void AppendJsonJS(const DictionaryValue* json, std::string* output) {
-  // Convert the template data to a json string.
-  DCHECK(json) << "must include json data structure";
-
-  std::string jstext;
-  JSONStringValueSerializer serializer(&jstext);
-  serializer.Serialize(*json);
-  output->append(g_version2 ? "loadTimeData.data = " : "var templateData = ");
-  output->append(jstext);
-  output->append(";");
-}
-
-void AppendJsTemplateSourceHtml(std::string* output) {
-  // fetch and cache the pointer of the jstemplate resource source text.
-  static const base::StringPiece jstemplate_src(
-      ResourceBundle::GetSharedInstance().GetRawDataResource(
-          IDR_JSTEMPLATE_JS));
-
-  if (jstemplate_src.empty()) {
-    NOTREACHED() << "Unable to get jstemplate src";
-    return;
-  }
-
-  output->append("<script>");
-  output->append(jstemplate_src.data(), jstemplate_src.size());
-  output->append("</script>");
-}
-
-void AppendJsTemplateProcessHtml(const base::StringPiece& template_id,
-                                 std::string* output) {
-  output->append("<script>");
-  output->append("var tp = document.getElementById('");
-  output->append(template_id.data(), template_id.size());
-  output->append("');");
-  output->append("jstProcess(new JsEvalContext(templateData), tp);");
-  output->append("</script>");
-}
-
-void AppendI18nTemplateSourceHtml(std::string* output) {
-  // fetch and cache the pointer of the jstemplate resource source text.
-  static const base::StringPiece i18n_template_src(
-      ResourceBundle::GetSharedInstance().GetRawDataResource(
-          IDR_I18N_TEMPLATE_JS));
-  static const base::StringPiece i18n_template2_src(
-      ResourceBundle::GetSharedInstance().GetRawDataResource(
-          IDR_I18N_TEMPLATE2_JS));
-  const base::StringPiece* template_src = g_version2 ?
-      &i18n_template2_src : &i18n_template_src;
-
-  if (template_src->empty()) {
-    NOTREACHED() << "Unable to get i18n template src";
-    return;
-  }
-
-  output->append("<script>");
-  output->append(template_src->data(), template_src->size());
-  output->append("</script>");
-}
-
-void AppendI18nTemplateProcessHtml(std::string* output) {
-  if (g_version2)
-    return;
-
-  static const base::StringPiece i18n_process_src(
-      ResourceBundle::GetSharedInstance().GetRawDataResource(
-          IDR_I18N_PROCESS_JS));
-
-  if (i18n_process_src.empty()) {
-    NOTREACHED() << "Unable to get i18n process src";
-    return;
-  }
-
-  output->append("<script>");
-  output->append(i18n_process_src.data(), i18n_process_src.size());
-  output->append("</script>");
-}
-
-}  // namespace jstemplate_builder