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-rw-r--r--core/fxcrt/xml/cfx_xmlsyntaxparser.cpp25
-rw-r--r--core/fxcrt/xml/cfx_xmlsyntaxparser.h2
-rw-r--r--core/fxcrt/xml/cfx_xmlsyntaxparser_unittest.cpp17
3 files changed, 29 insertions, 15 deletions
diff --git a/core/fxcrt/xml/cfx_xmlsyntaxparser.cpp b/core/fxcrt/xml/cfx_xmlsyntaxparser.cpp
index aa455d5971..ac3f1b5c5d 100644
--- a/core/fxcrt/xml/cfx_xmlsyntaxparser.cpp
+++ b/core/fxcrt/xml/cfx_xmlsyntaxparser.cpp
@@ -7,6 +7,7 @@
#include "core/fxcrt/xml/cfx_xmlsyntaxparser.h"
#include <algorithm>
+#include <iterator>
#include "core/fxcrt/fx_extension.h"
#include "core/fxcrt/fx_safe_types.h"
@@ -35,21 +36,6 @@ const FX_XMLNAMECHAR g_XMLNameChars[] = {
{0xF900, 0xFDCF, true}, {0xFDF0, 0xFFFD, true},
};
-bool IsXMLNameChar(wchar_t ch, bool bFirstChar) {
- int32_t iStart = 0;
- int32_t iEnd = FX_ArraySize(g_XMLNameChars) - 1;
- while (iStart <= iEnd) {
- int32_t iMid = (iStart + iEnd) / 2;
- if (ch < g_XMLNameChars[iMid].wStart) {
- iEnd = iMid - 1;
- } else if (ch > g_XMLNameChars[iMid].wEnd) {
- iStart = iMid + 1;
- } else {
- return bFirstChar ? g_XMLNameChars[iMid].bStartChar : true;
- }
- }
- return false;
-}
int32_t GetUTF8EncodeLength(const std::vector<wchar_t>& src,
FX_FILESIZE iSrcLen) {
@@ -79,6 +65,15 @@ int32_t GetUTF8EncodeLength(const std::vector<wchar_t>& src,
} // namespace
+// static
+bool CFX_XMLSyntaxParser::IsXMLNameChar(wchar_t ch, bool bFirstChar) {
+ auto* it = std::lower_bound(
+ std::begin(g_XMLNameChars), std::end(g_XMLNameChars), ch,
+ [](const FX_XMLNAMECHAR& arg, wchar_t ch) { return arg.wEnd < ch; });
+ return it != std::end(g_XMLNameChars) && ch >= it->wStart &&
+ (!bFirstChar || it->bStartChar);
+}
+
CFX_XMLSyntaxParser::CFX_XMLSyntaxParser(
const CFX_RetainPtr<CFX_SeekableStreamProxy>& pStream)
: m_pStream(pStream),
diff --git a/core/fxcrt/xml/cfx_xmlsyntaxparser.h b/core/fxcrt/xml/cfx_xmlsyntaxparser.h
index 519f2833d6..32e55f1ff0 100644
--- a/core/fxcrt/xml/cfx_xmlsyntaxparser.h
+++ b/core/fxcrt/xml/cfx_xmlsyntaxparser.h
@@ -36,6 +36,8 @@ enum class FX_XmlSyntaxResult {
class CFX_XMLSyntaxParser {
public:
+ static bool IsXMLNameChar(wchar_t ch, bool bFirstChar);
+
explicit CFX_XMLSyntaxParser(
const CFX_RetainPtr<CFX_SeekableStreamProxy>& pStream);
~CFX_XMLSyntaxParser();
diff --git a/core/fxcrt/xml/cfx_xmlsyntaxparser_unittest.cpp b/core/fxcrt/xml/cfx_xmlsyntaxparser_unittest.cpp
index 60c0d34655..09d4fea2d2 100644
--- a/core/fxcrt/xml/cfx_xmlsyntaxparser_unittest.cpp
+++ b/core/fxcrt/xml/cfx_xmlsyntaxparser_unittest.cpp
@@ -525,3 +525,20 @@ TEST_F(CFX_XMLSyntaxParserTest, EntityOverflowDecimal) {
ASSERT_EQ(FX_XmlSyntaxResult::EndOfString, parser.DoSyntaxParse());
}
+
+TEST_F(CFX_XMLSyntaxParserTest, IsXMLNameChar) {
+ EXPECT_FALSE(CFX_XMLSyntaxParser::IsXMLNameChar(L'-', true));
+ EXPECT_TRUE(CFX_XMLSyntaxParser::IsXMLNameChar(L'-', false));
+
+ EXPECT_FALSE(CFX_XMLSyntaxParser::IsXMLNameChar(0x2069, true));
+ EXPECT_TRUE(CFX_XMLSyntaxParser::IsXMLNameChar(0x2070, true));
+ EXPECT_TRUE(CFX_XMLSyntaxParser::IsXMLNameChar(0x2073, true));
+ EXPECT_TRUE(CFX_XMLSyntaxParser::IsXMLNameChar(0x218F, true));
+ EXPECT_FALSE(CFX_XMLSyntaxParser::IsXMLNameChar(0x2190, true));
+
+ EXPECT_FALSE(CFX_XMLSyntaxParser::IsXMLNameChar(0xFDEF, true));
+ EXPECT_TRUE(CFX_XMLSyntaxParser::IsXMLNameChar(0xFDF0, true));
+ EXPECT_TRUE(CFX_XMLSyntaxParser::IsXMLNameChar(0xFDF1, true));
+ EXPECT_TRUE(CFX_XMLSyntaxParser::IsXMLNameChar(0xFFFD, true));
+ EXPECT_FALSE(CFX_XMLSyntaxParser::IsXMLNameChar(0xFFFE, true));
+}