Move Firefox importer's INI parser to c/browser/common.

Media Galleries API Picasa Import will require reading some INI files. Rather than re-invent the wheel and duplicate code, we are moving the INI parser used by Firefox import into chrome/browser/common.

BUG=151701

Review URL: https://chromiumcodereview.appspot.com/16982004

git-svn-id: svn://svn.chromium.org/chrome/trunk/src@207111 0039d316-1c4b-4281-b951-d872f2087c98

1 files changed, 131 insertions, 0 deletions

diff --git a/base/ini_parser_unittest.cc b/base/ini_parser_unittest.cc
new file mode 100644
index 0000000..ff90f6c
--- /dev/null
+++ b/base/ini_parser_unittest.cc
@@ -0,0 +1,131 @@
+// 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.
+
+#include <string>
+#include <vector>
+
+#include "base/ini_parser.h"
+#include "testing/gtest/include/gtest/gtest.h"
+
+namespace base {
+
+namespace {
+
+struct TestTriplet {
+  TestTriplet(const std::string& section,
+          const std::string& key,
+          const std::string& value)
+      : section(section),
+        key(key),
+        value(value) {
+  }
+
+  std::string section;
+  std::string key;
+  std::string value;
+};
+
+class TestINIParser : public INIParser {
+ public:
+  explicit TestINIParser(
+      const std::vector<TestTriplet>& expected_triplets)
+      : expected_triplets_(expected_triplets),
+        pair_i_(0) {
+  }
+  virtual ~TestINIParser() {}
+
+  size_t pair_i() {
+    return pair_i_;
+  }
+
+ private:
+  virtual void HandleTriplet(const std::string& section, const std::string& key,
+                             const std::string& value) OVERRIDE {
+    EXPECT_EQ(expected_triplets_[pair_i_].section, section);
+    EXPECT_EQ(expected_triplets_[pair_i_].key, key);
+    EXPECT_EQ(expected_triplets_[pair_i_].value, value);
+    ++pair_i_;
+  }
+
+  std::vector<TestTriplet> expected_triplets_;
+  size_t pair_i_;
+};
+
+TEST(INIParserTest, BasicValid) {
+  std::vector<TestTriplet> expected_triplets;
+  expected_triplets.push_back(TestTriplet("section1", "key1", "value1"));
+  expected_triplets.push_back(TestTriplet("section1", "key2", "value2"));
+  expected_triplets.push_back(TestTriplet("section1", "key3", "value3"));
+  expected_triplets.push_back(TestTriplet("section2", "key4", "value4"));
+  expected_triplets.push_back(TestTriplet("section2", "key5",
+                                          "value=with=equals"));
+  expected_triplets.push_back(TestTriplet("section2", "key6", "value6"));
+  TestINIParser test_parser(expected_triplets);
+
+  test_parser.Parse(
+      "[section1]\n"
+      "key1=value1\n"
+      "key2=value2\r\n"  // Testing DOS "\r\n" line endings.
+      "key3=value3\n"
+      "[section2\n"      // Testing omitted closing bracket.
+      "key4=value4\r"    // Testing "\r" line endings.
+      "key5=value=with=equals\n"
+      "key6=value6");    // Testing omitted final line ending.
+}
+
+TEST(INIParserTest, IgnoreBlankLinesAndComments) {
+  std::vector<TestTriplet> expected_triplets;
+  expected_triplets.push_back(TestTriplet("section1", "key1", "value1"));
+  expected_triplets.push_back(TestTriplet("section1", "key2", "value2"));
+  expected_triplets.push_back(TestTriplet("section1", "key3", "value3"));
+  expected_triplets.push_back(TestTriplet("section2", "key4", "value4"));
+  expected_triplets.push_back(TestTriplet("section2", "key5", "value5"));
+  expected_triplets.push_back(TestTriplet("section2", "key6", "value6"));
+  TestINIParser test_parser(expected_triplets);
+
+  test_parser.Parse(
+      "\n"
+      "[section1]\n"
+      "key1=value1\n"
+      "\n"
+      "\n"
+      "key2=value2\n"
+      "key3=value3\n"
+      "\n"
+      ";Comment1"
+      "\n"
+      "[section2]\n"
+      "key4=value4\n"
+      "#Comment2\n"
+      "key5=value5\n"
+      "\n"
+      "key6=value6\n");
+}
+
+TEST(INIParserTest, DictionaryValueINIParser) {
+  DictionaryValueINIParser test_parser;
+
+  test_parser.Parse(
+      "[section1]\n"
+      "key1=value1\n"
+      "key.2=value2\n"
+      "key3=va.lue3\n"
+      "[se.ction2]\n"
+      "key.4=value4\n"
+      "key5=value5\n");
+
+  const DictionaryValue& root = test_parser.root();
+  std::string value;
+  EXPECT_TRUE(root.GetString("section1.key1", &value));
+  EXPECT_EQ("value1", value);
+  EXPECT_FALSE(root.GetString("section1.key.2", &value));
+  EXPECT_TRUE(root.GetString("section1.key3", &value));
+  EXPECT_EQ("va.lue3", value);
+  EXPECT_FALSE(root.GetString("se.ction2.key.4", &value));
+  EXPECT_FALSE(root.GetString("se.ction2.key5", &value));
+}
+
+}  // namespace
+
+}  // namespace base