Split fde/css files into individual class files.

This CL splits the files in xfa/fde/css into class per file and renames any
needed files to match the class names.

Update some of the classes to use std::stack.

Change-Id: I4eca0fb3556d949a15a873bb0f0fd732f47e4fb1
Reviewed-on: https://pdfium-review.googlesource.com/2253
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>
Reviewed-by: Nicolás Peña <npm@chromium.org>

1 files changed, 61 insertions, 0 deletions

diff --git a/xfa/fde/css/cfde_cssdeclaration_unittest.cpp b/xfa/fde/css/cfde_cssdeclaration_unittest.cpp
new file mode 100644
index 0000000000..48a3c72c39
--- /dev/null
+++ b/xfa/fde/css/cfde_cssdeclaration_unittest.cpp
@@ -0,0 +1,61 @@
+// Copyright 2017 PDFium 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 "xfa/fde/css/cfde_cssdeclaration.h"
+
+#include "testing/gtest/include/gtest/gtest.h"
+
+TEST(CFDE_CSSDecalration, HexEncodingParsing) {
+  FX_ARGB color;
+
+  // Length value invalid.
+  EXPECT_FALSE(CFDE_CSSDeclaration::ParseCSSColor(L"#000", 3, &color));
+  EXPECT_FALSE(CFDE_CSSDeclaration::ParseCSSColor(L"#000000", 5, &color));
+  EXPECT_FALSE(CFDE_CSSDeclaration::ParseCSSColor(L"#000000", 8, &color));
+
+  // Invalid characters
+  EXPECT_TRUE(CFDE_CSSDeclaration::ParseCSSColor(L"#zxytlm", 7, &color));
+  EXPECT_EQ(0, FXARGB_R(color));
+  EXPECT_EQ(0, FXARGB_G(color));
+  EXPECT_EQ(0, FXARGB_B(color));
+
+  EXPECT_TRUE(CFDE_CSSDeclaration::ParseCSSColor(L"#000", 4, &color));
+  EXPECT_EQ(0, FXARGB_R(color));
+  EXPECT_EQ(0, FXARGB_G(color));
+  EXPECT_EQ(0, FXARGB_B(color));
+
+  EXPECT_TRUE(CFDE_CSSDeclaration::ParseCSSColor(L"#FFF", 4, &color));
+  EXPECT_EQ(255, FXARGB_R(color));
+  EXPECT_EQ(255, FXARGB_G(color));
+  EXPECT_EQ(255, FXARGB_B(color));
+
+  EXPECT_TRUE(CFDE_CSSDeclaration::ParseCSSColor(L"#F0F0F0", 7, &color));
+  EXPECT_EQ(240, FXARGB_R(color));
+  EXPECT_EQ(240, FXARGB_G(color));
+  EXPECT_EQ(240, FXARGB_B(color));
+
+  // Upper and lower case characters.
+  EXPECT_TRUE(CFDE_CSSDeclaration::ParseCSSColor(L"#1b2F3c", 7, &color));
+  EXPECT_EQ(27, FXARGB_R(color));
+  EXPECT_EQ(47, FXARGB_G(color));
+  EXPECT_EQ(60, FXARGB_B(color));
+}
+
+TEST(CFDE_CSSDecalration, RGBEncodingParsing) {
+  FX_ARGB color;
+
+  // Invalid input for rgb() syntax.
+  EXPECT_FALSE(CFDE_CSSDeclaration::ParseCSSColor(L"blahblahblah", 11, &color));
+
+  EXPECT_TRUE(CFDE_CSSDeclaration::ParseCSSColor(L"rgb(0, 0, 0)", 12, &color));
+  EXPECT_EQ(0, FXARGB_R(color));
+  EXPECT_EQ(0, FXARGB_G(color));
+  EXPECT_EQ(0, FXARGB_B(color));
+
+  EXPECT_TRUE(
+      CFDE_CSSDeclaration::ParseCSSColor(L"rgb(128,255,48)", 15, &color));
+  EXPECT_EQ(128, FXARGB_R(color));
+  EXPECT_EQ(255, FXARGB_G(color));
+  EXPECT_EQ(48, FXARGB_B(color));
+}