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authorcrupest <crupest@outlook.com>2022-03-08 17:24:07 +0800
committercrupest <crupest@outlook.com>2022-03-08 17:24:07 +0800
commit78f5221e8fbab510bb8b5ac268b7d42bed762961 (patch)
tree2066be748d39411e4dd6a74a538df4ca4a213543 /src/common/String.cpp
parent62a0c3f1785e789357c892d94b3ea0bc3ea6833e (diff)
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Diffstat (limited to 'src/common/String.cpp')
-rw-r--r--src/common/String.cpp48
1 files changed, 31 insertions, 17 deletions
diff --git a/src/common/String.cpp b/src/common/String.cpp
index 1abee273..ed66b914 100644
--- a/src/common/String.cpp
+++ b/src/common/String.cpp
@@ -1,5 +1,6 @@
#include "cru/common/String.h"
#include <double-conversion/double-conversion.h>
+#include <double-conversion/string-to-double.h>
#include "cru/common/Exception.h"
#include "cru/common/StringUtil.h"
@@ -312,12 +313,13 @@ Range String::RangeFromCodePointToCodeUnit(Range code_point_range) const {
return View().RangeFromCodePointToCodeUnit(code_point_range);
}
-float String::ParseToFloat(Index* processed_characters_count) const {
- return View().ParseToFloat(processed_characters_count);
+float String::ParseToFloat(Index* processed_characters_count, int flags) const {
+ return View().ParseToFloat(processed_characters_count, flags);
}
-double String::ParseToDouble(Index* processed_characters_count) const {
- return View().ParseToDouble(processed_characters_count);
+double String::ParseToDouble(Index* processed_characters_count,
+ int flags) const {
+ return View().ParseToDouble(processed_characters_count, flags);
}
std::vector<float> String::ParseToFloatList(value_type separator) const {
@@ -345,15 +347,6 @@ int String::CaseInsensitiveCompare(const String& other) const {
return View().CaseInsensitiveCompare(other);
}
-double_conversion::StringToDoubleConverter
- StringView::kDefaultStringToDoubleConverter(
- double_conversion::StringToDoubleConverter::ALLOW_LEADING_SPACES |
- double_conversion::StringToDoubleConverter::ALLOW_TRAILING_SPACES |
- double_conversion::StringToDoubleConverter::
- ALLOW_CASE_INSENSIBILITY |
- double_conversion::StringToDoubleConverter::ALLOW_TRAILING_JUNK,
- 0.0, NAN, "infinity", "nan");
-
int StringView::Compare(const StringView& other) const {
const_iterator i1 = cbegin();
const_iterator i2 = other.cbegin();
@@ -523,9 +516,29 @@ std::string StringView::ToUtf8() const {
return result;
}
-float StringView::ParseToFloat(Index* processed_characters_count) const {
+static int MapStringToFloatFlags(int flags) {
+ int f = double_conversion::StringToDoubleConverter::ALLOW_CASE_INSENSIBILITY;
+ if (flags & StringToFloatFlags::kAllowLeadingSpaces) {
+ f |= double_conversion::StringToDoubleConverter::ALLOW_LEADING_SPACES;
+ }
+ if (flags & StringToFloatFlags::kAllowTrailingSpaces) {
+ f |= double_conversion::StringToDoubleConverter::ALLOW_TRAILING_SPACES;
+ }
+ if (flags & StringToFloatFlags::kAllowTrailingJunk) {
+ f |= double_conversion::StringToDoubleConverter::ALLOW_TRAILING_JUNK;
+ }
+ return f;
+}
+
+static double_conversion::StringToDoubleConverter CreateStringToDoubleConverter(
+ int flags) {
+ return {MapStringToFloatFlags(flags), 0.0, NAN, "inf", "nan"};
+}
+
+float StringView::ParseToFloat(Index* processed_characters_count,
+ int flags) const {
int pcc;
- auto result = kDefaultStringToDoubleConverter.StringToFloat(
+ auto result = CreateStringToDoubleConverter(flags).StringToFloat(
reinterpret_cast<const uc16*>(ptr_), static_cast<int>(size_), &pcc);
if (processed_characters_count != nullptr) {
*processed_characters_count = pcc;
@@ -533,9 +546,10 @@ float StringView::ParseToFloat(Index* processed_characters_count) const {
return result;
}
-double StringView::ParseToDouble(Index* processed_characters_count) const {
+double StringView::ParseToDouble(Index* processed_characters_count,
+ int flags) const {
int pcc;
- auto result = kDefaultStringToDoubleConverter.StringToDouble(
+ auto result = CreateStringToDoubleConverter(flags).StringToDouble(
reinterpret_cast<const uc16*>(ptr_), static_cast<int>(size_), &pcc);
if (processed_characters_count != nullptr) {
*processed_characters_count = pcc;