Squashed 'third_party/ctemplate/' content from commit 6742f62

Change-Id: I828e4e4c906f13ba19944d78a8a78652b62949af
git-subtree-dir: third_party/ctemplate
git-subtree-split: 6742f6233db12f545e90baa8f34f5c29c4eb396a
diff --git a/src/template_annotator.cc b/src/template_annotator.cc
new file mode 100644
index 0000000..57d5a2b
--- /dev/null
+++ b/src/template_annotator.cc
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+// Copyright (c) 2009, Google Inc.
+// All rights reserved.
+//
+// Redistribution and use in source and binary forms, with or without
+// modification, are permitted provided that the following conditions are
+// met:
+//
+//     * Redistributions of source code must retain the above copyright
+// notice, this list of conditions and the following disclaimer.
+//     * Redistributions in binary form must reproduce the above
+// copyright notice, this list of conditions and the following disclaimer
+// in the documentation and/or other materials provided with the
+// distribution.
+//     * Neither the name of Google Inc. nor the names of its
+// contributors may be used to endorse or promote products derived from
+// this software without specific prior written permission.
+//
+// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+// "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+// LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
+// A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
+// OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+// SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+// LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
+// DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
+// THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+// (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+// OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+
+// ---
+
+#include <config.h>
+#include <ctemplate/template_annotator.h>
+#include <string>
+#include <ctemplate/template_emitter.h>
+
+// Emits an open annotation string.  'name' must be a string literal.
+#define EMIT_OPEN_ANNOTATION(emitter, name, value)      \
+  (emitter)->Emit("{{#" name "=", 4 + sizeof(name)-1);  \
+  (emitter)->Emit(value);                               \
+  (emitter)->Emit("}}", 2);
+
+// Emits a close annotation string.  'name' must be a string literal.
+#define EMIT_CLOSE_ANNOTATION(emitter, name)            \
+  (emitter)->Emit("{{/" name "}}", 5 + sizeof(name)-1);
+
+#define EMIT_MISSING_ANNOTATION(emitter, name, value)   \
+  (emitter)->Emit("{{" name "=",  3 + sizeof(name)-1);  \
+  (emitter)->Emit(value);                               \
+  (emitter)->Emit("}}", 2);
+
+namespace ctemplate {
+
+using std::string;
+
+// Implementation note: TextTemplateAnnotator contains no state, and
+// code elsewhere is depending on this.  E.g., a statically allocated
+// instance is used as the default annotator in the implementation of
+// PerExpandData.  If you add state to this class, please revisit
+// the setup of such static instances.
+
+// This implements precisely the same annotation that was originally
+// built into the template.cc.  Many upstream tools depend on the
+// exact formatting that this implementation happens to produce--
+// so do not consider changes to this lightly.
+
+void TextTemplateAnnotator::EmitOpenInclude(ExpandEmitter* emitter,
+                                            const string& value) {
+  EMIT_OPEN_ANNOTATION(emitter, "INC", value);
+}
+
+void TextTemplateAnnotator::EmitCloseInclude(ExpandEmitter* emitter) {
+  EMIT_CLOSE_ANNOTATION(emitter, "INC");
+}
+
+void TextTemplateAnnotator::EmitOpenFile(ExpandEmitter* emitter,
+                                         const string& value) {
+  EMIT_OPEN_ANNOTATION(emitter, "FILE", value);
+}
+
+void TextTemplateAnnotator::EmitCloseFile(ExpandEmitter* emitter) {
+  EMIT_CLOSE_ANNOTATION(emitter, "FILE");
+}
+
+void TextTemplateAnnotator::EmitOpenSection(ExpandEmitter* emitter,
+                                            const string& value) {
+  EMIT_OPEN_ANNOTATION(emitter, "SEC", value);
+}
+
+void TextTemplateAnnotator::EmitCloseSection(ExpandEmitter* emitter) {
+  EMIT_CLOSE_ANNOTATION(emitter, "SEC");
+}
+
+void TextTemplateAnnotator::EmitOpenVariable(ExpandEmitter* emitter,
+                                             const string& value) {
+  EMIT_OPEN_ANNOTATION(emitter, "VAR", value);
+}
+
+void TextTemplateAnnotator::EmitCloseVariable(ExpandEmitter* emitter) {
+  EMIT_CLOSE_ANNOTATION(emitter, "VAR");
+}
+
+void TextTemplateAnnotator::EmitFileIsMissing(ExpandEmitter* emitter,
+                                              const string& value) {
+  EMIT_MISSING_ANNOTATION(emitter,"MISSING_FILE", value);
+}
+
+}