Move CSS code to core

The xfa/fde/css code has no other links into xfa/. This CL moves the css
code to core/fxcrt/css and sets to only build when pdf_enable_xfa is
enabled.

Change-Id: Iefd208e1f83a28b80b567c574e841e87bce310be
Reviewed-on: https://pdfium-review.googlesource.com/9251
Commit-Queue: dsinclair <dsinclair@chromium.org>
Reviewed-by: Tom Sepez <tsepez@chromium.org>

1 files changed, 0 insertions, 239 deletions

diff --git a/xfa/fde/css/cfde_cssstylesheet_unittest.cpp b/xfa/fde/css/cfde_cssstylesheet_unittest.cpp
deleted file mode 100644
index 0f450e9c3a..0000000000
--- a/xfa/fde/css/cfde_cssstylesheet_unittest.cpp
+++ /dev/null
@@ -1,239 +0,0 @@
-// 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.
-
-// Original code copyright 2014 Foxit Software Inc. http://www.foxitsoftware.com
-
-#include "xfa/fde/css/cfde_cssstylesheet.h"
-
-#include <memory>
-#include <vector>
-
-#include "testing/gtest/include/gtest/gtest.h"
-#include "third_party/base/ptr_util.h"
-#include "third_party/base/stl_util.h"
-#include "xfa/fde/css/cfde_cssdeclaration.h"
-#include "xfa/fde/css/cfde_cssenumvalue.h"
-#include "xfa/fde/css/cfde_cssnumbervalue.h"
-#include "xfa/fde/css/cfde_cssstylerule.h"
-#include "xfa/fde/css/cfde_cssvaluelist.h"
-
-class CFDE_CSSStyleSheetTest : public testing::Test {
- public:
-  void SetUp() override {
-    sheet_ = pdfium::MakeUnique<CFDE_CSSStyleSheet>();
-    decl_ = nullptr;
-  }
-
-  void TearDown() override { decl_ = nullptr; }
-
-  void LoadAndVerifyDecl(const wchar_t* buf,
-                         const std::vector<CFX_WideString>& selectors,
-                         size_t decl_count) {
-    ASSERT(sheet_);
-
-    EXPECT_TRUE(sheet_->LoadBuffer(buf, FXSYS_wcslen(buf)));
-    EXPECT_EQ(sheet_->CountRules(), 1);
-
-    CFDE_CSSStyleRule* style = sheet_->GetRule(0);
-    EXPECT_EQ(selectors.size(), style->CountSelectorLists());
-
-    for (size_t i = 0; i < selectors.size(); i++) {
-      uint32_t hash = FX_HashCode_GetW(selectors[i].AsStringC(), true);
-      EXPECT_EQ(hash, style->GetSelectorList(i)->GetNameHash());
-    }
-
-    decl_ = style->GetDeclaration();
-    EXPECT_EQ(decl_->PropertyCountForTesting(), decl_count);
-  }
-
-  void VerifyFloat(FDE_CSSProperty prop, float val, FDE_CSSNumberType type) {
-    ASSERT(decl_);
-
-    bool important;
-    CFX_RetainPtr<CFDE_CSSValue> v = decl_->GetProperty(prop, &important);
-    EXPECT_EQ(v->GetType(), FDE_CSSPrimitiveType::Number);
-    EXPECT_EQ(v.As<CFDE_CSSNumberValue>()->Kind(), type);
-    EXPECT_EQ(v.As<CFDE_CSSNumberValue>()->Value(), val);
-  }
-
-  void VerifyEnum(FDE_CSSProperty prop, FDE_CSSPropertyValue val) {
-    ASSERT(decl_);
-
-    bool important;
-    CFX_RetainPtr<CFDE_CSSValue> v = decl_->GetProperty(prop, &important);
-    EXPECT_EQ(v->GetType(), FDE_CSSPrimitiveType::Enum);
-    EXPECT_EQ(v.As<CFDE_CSSEnumValue>()->Value(), val);
-  }
-
-  void VerifyList(FDE_CSSProperty prop,
-                  std::vector<FDE_CSSPropertyValue> values) {
-    ASSERT(decl_);
-
-    bool important;
-    CFX_RetainPtr<CFDE_CSSValueList> list =
-        decl_->GetProperty(prop, &important).As<CFDE_CSSValueList>();
-    EXPECT_EQ(list->CountValues(), pdfium::CollectionSize<int32_t>(values));
-
-    for (size_t i = 0; i < values.size(); i++) {
-      CFX_RetainPtr<CFDE_CSSValue> val = list->GetValue(i);
-      EXPECT_EQ(val->GetType(), FDE_CSSPrimitiveType::Enum);
-      EXPECT_EQ(val.As<CFDE_CSSEnumValue>()->Value(), values[i]);
-    }
-  }
-
-  std::unique_ptr<CFDE_CSSStyleSheet> sheet_;
-  CFDE_CSSDeclaration* decl_;
-};
-
-TEST_F(CFDE_CSSStyleSheetTest, ParseMultipleSelectors) {
-  const wchar_t* buf =
-      L"a { border: 10px; }\nb { text-decoration: underline; }";
-  EXPECT_TRUE(sheet_->LoadBuffer(buf, FXSYS_wcslen(buf)));
-  EXPECT_EQ(2, sheet_->CountRules());
-
-  CFDE_CSSStyleRule* style = sheet_->GetRule(0);
-  EXPECT_EQ(1UL, style->CountSelectorLists());
-
-  bool found_selector = false;
-  uint32_t hash = FX_HashCode_GetW(L"a", true);
-  for (size_t i = 0; i < style->CountSelectorLists(); i++) {
-    if (style->GetSelectorList(i)->GetNameHash() == hash) {
-      found_selector = true;
-      break;
-    }
-  }
-  EXPECT_TRUE(found_selector);
-
-  decl_ = style->GetDeclaration();
-  EXPECT_EQ(4UL, decl_->PropertyCountForTesting());
-
-  VerifyFloat(FDE_CSSProperty::BorderLeftWidth, 10.0,
-              FDE_CSSNumberType::Pixels);
-  VerifyFloat(FDE_CSSProperty::BorderRightWidth, 10.0,
-              FDE_CSSNumberType::Pixels);
-  VerifyFloat(FDE_CSSProperty::BorderTopWidth, 10.0, FDE_CSSNumberType::Pixels);
-  VerifyFloat(FDE_CSSProperty::BorderBottomWidth, 10.0,
-              FDE_CSSNumberType::Pixels);
-
-  style = sheet_->GetRule(1);
-  EXPECT_EQ(1UL, style->CountSelectorLists());
-
-  found_selector = false;
-  hash = FX_HashCode_GetW(L"b", true);
-  for (size_t i = 0; i < style->CountSelectorLists(); i++) {
-    if (style->GetSelectorList(i)->GetNameHash() == hash) {
-      found_selector = true;
-      break;
-    }
-  }
-  EXPECT_TRUE(found_selector);
-
-  decl_ = style->GetDeclaration();
-  EXPECT_EQ(1UL, decl_->PropertyCountForTesting());
-  VerifyList(FDE_CSSProperty::TextDecoration,
-             {FDE_CSSPropertyValue::Underline});
-}
-
-TEST_F(CFDE_CSSStyleSheetTest, ParseChildSelectors) {
-  const wchar_t* buf = L"a b c { border: 10px; }";
-  EXPECT_TRUE(sheet_->LoadBuffer(buf, FXSYS_wcslen(buf)));
-  EXPECT_EQ(1, sheet_->CountRules());
-
-  CFDE_CSSStyleRule* style = sheet_->GetRule(0);
-  EXPECT_EQ(1UL, style->CountSelectorLists());
-
-  auto* sel = style->GetSelectorList(0);
-  EXPECT_TRUE(sel != nullptr);
-  EXPECT_EQ(FX_HashCode_GetW(L"c", true), sel->GetNameHash());
-
-  sel = sel->GetNextSelector();
-  EXPECT_TRUE(sel != nullptr);
-  EXPECT_EQ(FX_HashCode_GetW(L"b", true), sel->GetNameHash());
-
-  sel = sel->GetNextSelector();
-  EXPECT_TRUE(sel != nullptr);
-  EXPECT_EQ(FX_HashCode_GetW(L"a", true), sel->GetNameHash());
-
-  sel = sel->GetNextSelector();
-  EXPECT_TRUE(sel == nullptr);
-
-  decl_ = style->GetDeclaration();
-  EXPECT_EQ(4UL, decl_->PropertyCountForTesting());
-
-  VerifyFloat(FDE_CSSProperty::BorderLeftWidth, 10.0,
-              FDE_CSSNumberType::Pixels);
-  VerifyFloat(FDE_CSSProperty::BorderRightWidth, 10.0,
-              FDE_CSSNumberType::Pixels);
-  VerifyFloat(FDE_CSSProperty::BorderTopWidth, 10.0, FDE_CSSNumberType::Pixels);
-  VerifyFloat(FDE_CSSProperty::BorderBottomWidth, 10.0,
-              FDE_CSSNumberType::Pixels);
-}
-
-TEST_F(CFDE_CSSStyleSheetTest, ParseUnhandledSelectors) {
-  const wchar_t* buf = L"a > b { padding: 0; }";
-  EXPECT_TRUE(sheet_->LoadBuffer(buf, FXSYS_wcslen(buf)));
-  EXPECT_EQ(0, sheet_->CountRules());
-
-  buf = L"a[first] { padding: 0; }";
-  EXPECT_TRUE(sheet_->LoadBuffer(buf, FXSYS_wcslen(buf)));
-  EXPECT_EQ(0, sheet_->CountRules());
-
-  buf = L"a+b { padding: 0; }";
-  EXPECT_TRUE(sheet_->LoadBuffer(buf, FXSYS_wcslen(buf)));
-  EXPECT_EQ(0, sheet_->CountRules());
-
-  buf = L"a ^ b { padding: 0; }";
-  EXPECT_TRUE(sheet_->LoadBuffer(buf, FXSYS_wcslen(buf)));
-  EXPECT_EQ(0, sheet_->CountRules());
-}
-
-TEST_F(CFDE_CSSStyleSheetTest, ParseMultipleSelectorsCombined) {
-  LoadAndVerifyDecl(L"a, b, c { border: 5px; }", {L"a", L"b", L"c"}, 4);
-}
-
-TEST_F(CFDE_CSSStyleSheetTest, ParseBorder) {
-  LoadAndVerifyDecl(L"a { border: 5px; }", {L"a"}, 4);
-  VerifyFloat(FDE_CSSProperty::BorderLeftWidth, 5.0, FDE_CSSNumberType::Pixels);
-  VerifyFloat(FDE_CSSProperty::BorderRightWidth, 5.0,
-              FDE_CSSNumberType::Pixels);
-  VerifyFloat(FDE_CSSProperty::BorderTopWidth, 5.0, FDE_CSSNumberType::Pixels);
-  VerifyFloat(FDE_CSSProperty::BorderBottomWidth, 5.0,
-              FDE_CSSNumberType::Pixels);
-}
-
-TEST_F(CFDE_CSSStyleSheetTest, ParseBorderFull) {
-  LoadAndVerifyDecl(L"a { border: 5px solid red; }", {L"a"}, 4);
-  VerifyFloat(FDE_CSSProperty::BorderLeftWidth, 5.0, FDE_CSSNumberType::Pixels);
-  VerifyFloat(FDE_CSSProperty::BorderRightWidth, 5.0,
-              FDE_CSSNumberType::Pixels);
-  VerifyFloat(FDE_CSSProperty::BorderTopWidth, 5.0, FDE_CSSNumberType::Pixels);
-  VerifyFloat(FDE_CSSProperty::BorderBottomWidth, 5.0,
-              FDE_CSSNumberType::Pixels);
-}
-
-TEST_F(CFDE_CSSStyleSheetTest, ParseBorderLeft) {
-  LoadAndVerifyDecl(L"a { border-left: 2.5pc; }", {L"a"}, 1);
-  VerifyFloat(FDE_CSSProperty::BorderLeftWidth, 2.5, FDE_CSSNumberType::Picas);
-}
-
-TEST_F(CFDE_CSSStyleSheetTest, ParseBorderLeftThick) {
-  LoadAndVerifyDecl(L"a { border-left: thick; }", {L"a"}, 1);
-  VerifyEnum(FDE_CSSProperty::BorderLeftWidth, FDE_CSSPropertyValue::Thick);
-}
-
-TEST_F(CFDE_CSSStyleSheetTest, ParseBorderRight) {
-  LoadAndVerifyDecl(L"a { border-right: 2.5pc; }", {L"a"}, 1);
-  VerifyFloat(FDE_CSSProperty::BorderRightWidth, 2.5, FDE_CSSNumberType::Picas);
-}
-
-TEST_F(CFDE_CSSStyleSheetTest, ParseBorderTop) {
-  LoadAndVerifyDecl(L"a { border-top: 2.5pc; }", {L"a"}, 1);
-  VerifyFloat(FDE_CSSProperty::BorderTopWidth, 2.5, FDE_CSSNumberType::Picas);
-}
-
-TEST_F(CFDE_CSSStyleSheetTest, ParseBorderBottom) {
-  LoadAndVerifyDecl(L"a { border-bottom: 2.5pc; }", {L"a"}, 1);
-  VerifyFloat(FDE_CSSProperty::BorderBottomWidth, 2.5,
-              FDE_CSSNumberType::Picas);
-}