Initial import.

1 files changed, 103 insertions, 0 deletions

diff --git a/chromium/url/url_canon_pathurl.cc b/chromium/url/url_canon_pathurl.cc
new file mode 100644
index 00000000000..bc681f4d144
--- /dev/null
+++ b/chromium/url/url_canon_pathurl.cc
@@ -0,0 +1,103 @@
+// Copyright 2013 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.
+
+// Functions for canonicalizing "path" URLs. Not to be confused with the path
+// of a URL, these are URLs that have no authority section, only a path. For
+// example, "javascript:" and "data:".
+
+#include "url/url_canon.h"
+#include "url/url_canon_internal.h"
+
+namespace url_canon {
+
+namespace {
+
+template<typename CHAR, typename UCHAR>
+bool DoCanonicalizePathURL(const URLComponentSource<CHAR>& source,
+                           const url_parse::Parsed& parsed,
+                           CanonOutput* output,
+                           url_parse::Parsed* new_parsed) {
+  // Scheme: this will append the colon.
+  bool success = CanonicalizeScheme(source.scheme, parsed.scheme,
+                                    output, &new_parsed->scheme);
+
+  // We assume there's no authority for path URLs. Note that hosts should never
+  // have -1 length.
+  new_parsed->username.reset();
+  new_parsed->password.reset();
+  new_parsed->host.reset();
+  new_parsed->port.reset();
+
+  if (parsed.path.is_valid()) {
+    // Copy the path using path URL's more lax escaping rules (think for
+    // javascript:). We convert to UTF-8 and escape non-ASCII, but leave all
+    // ASCII characters alone. This helps readability of JavaStript.
+    new_parsed->path.begin = output->length();
+    int end = parsed.path.end();
+    for (int i = parsed.path.begin; i < end; i++) {
+      UCHAR uch = static_cast<UCHAR>(source.path[i]);
+      if (uch < 0x20 || uch >= 0x80)
+        success &= AppendUTF8EscapedChar(source.path, &i, end, output);
+      else
+        output->push_back(static_cast<char>(uch));
+    }
+    new_parsed->path.len = output->length() - new_parsed->path.begin;
+  } else {
+    // Empty path.
+    new_parsed->path.reset();
+  }
+
+  // Assume there's no query or ref.
+  new_parsed->query.reset();
+  new_parsed->ref.reset();
+
+  return success;
+}
+
+}  // namespace
+
+bool CanonicalizePathURL(const char* spec,
+                         int spec_len,
+                         const url_parse::Parsed& parsed,
+                         CanonOutput* output,
+                         url_parse::Parsed* new_parsed) {
+  return DoCanonicalizePathURL<char, unsigned char>(
+      URLComponentSource<char>(spec), parsed, output, new_parsed);
+}
+
+bool CanonicalizePathURL(const base::char16* spec,
+                         int spec_len,
+                         const url_parse::Parsed& parsed,
+                         CanonOutput* output,
+                         url_parse::Parsed* new_parsed) {
+  return DoCanonicalizePathURL<base::char16, base::char16>(
+      URLComponentSource<base::char16>(spec), parsed, output, new_parsed);
+}
+
+bool ReplacePathURL(const char* base,
+                    const url_parse::Parsed& base_parsed,
+                    const Replacements<char>& replacements,
+                    CanonOutput* output,
+                    url_parse::Parsed* new_parsed) {
+  URLComponentSource<char> source(base);
+  url_parse::Parsed parsed(base_parsed);
+  SetupOverrideComponents(base, replacements, &source, &parsed);
+  return DoCanonicalizePathURL<char, unsigned char>(
+      source, parsed, output, new_parsed);
+}
+
+bool ReplacePathURL(const char* base,
+                    const url_parse::Parsed& base_parsed,
+                    const Replacements<base::char16>& replacements,
+                    CanonOutput* output,
+                    url_parse::Parsed* new_parsed) {
+  RawCanonOutput<1024> utf8;
+  URLComponentSource<char> source(base);
+  url_parse::Parsed parsed(base_parsed);
+  SetupUTF16OverrideComponents(base, replacements, &utf8, &source, &parsed);
+  return DoCanonicalizePathURL<char, unsigned char>(
+      source, parsed, output, new_parsed);
+}
+
+}  // namespace url_canon