Use std::from_chars.

7 files changed, 25 insertions, 24 deletions

diff --git a/src/ui/components/Input.cpp b/src/ui/components/Input.cpp
index e75eccc5..0a14c7b8 100644
--- a/src/ui/components/Input.cpp
+++ b/src/ui/components/Input.cpp
@@ -1,8 +1,7 @@
 #include "cru/ui/components/Input.h"
-#include "cru/base/StringToNumberConverter.h"
+#include "cru/base/StringUtil.h"
 #include "cru/ui/controls/Control.h"
 
-#include <cmath>
 #include <optional>
 #include <string>
 
@@ -44,18 +43,18 @@ InputValidateResult Input::GetLastValidateResult() const {
 }
 
 InputValidateResult FloatInputValidator::Validate(std::string_view text) const {
-  auto result = String::FromUtf8(text).ParseToFloat(
-      nullptr, StringToNumberFlags::kAllowLeadingSpaces &
-                   StringToNumberFlags::kAllowTrailingSpaces);
-  if (std::isnan(result)) {
+  auto result = cru::string::ParseToNumber<float>(
+      text, cru::string::ParseToNumberFlags::AllowLeadingSpaces |
+                cru::string::ParseToNumberFlags::AllowTrailingSpaces);
+  if (!result.valid) {
     return InputValidateResult{false, "Invalid number."};
   }
 
-  if (min && result < *min) {
+  if (min && result.value < *min) {
     return InputValidateResult{false, "Value is less than minimum."};
   }
 
-  if (max && result > *max) {
+  if (max && result.value > *max) {
     return InputValidateResult{false, "Value is greater than maximum."};
   }
 
@@ -67,9 +66,11 @@ FloatInput::FloatInput() {
 
   ChangeEvent()->AddHandler([this](const InputChangeEventArgs& args) {
     if (args.valid) {
-      value_ = String::FromUtf8(args.text).ParseToFloat(
-          nullptr, StringToNumberFlags::kAllowLeadingSpaces &
-                       StringToNumberFlags::kAllowTrailingSpaces);
+      value_ = cru::string::ParseToNumber<float>(
+                   args.text,
+                   cru::string::ParseToNumberFlags::AllowLeadingSpaces |
+                       cru::string::ParseToNumberFlags::AllowTrailingSpaces)
+                   .value;
     }
   });
 }
diff --git a/src/ui/mapper/ColorMapper.cpp b/src/ui/mapper/ColorMapper.cpp
index 82e9dfbc..515eba97 100644
--- a/src/ui/mapper/ColorMapper.cpp
+++ b/src/ui/mapper/ColorMapper.cpp
@@ -1,6 +1,5 @@
 #include "cru/ui/mapper/ColorMapper.h"
-
-#include <cru/base/String.h>
+#include "cru/base/StringUtil.h"
 
 namespace cru::ui::mapper {
 bool ColorMapper::XmlElementIsOfThisType(xml::XmlElementNode* node) {
@@ -25,7 +24,8 @@ Color ColorMapper::DoMapFromXml(xml::XmlElementNode* node) {
   auto alpha_value_attr =
       node->GetOptionalAttributeValueCaseInsensitive("alpha");
   if (alpha_value_attr) {
-    result.alpha = String::FromUtf8(*alpha_value_attr).ParseToDouble() * 255;
+    result.alpha =
+        cru::string::ParseToNumber<double>(*alpha_value_attr).value * 255;
   }
 
   return result;
diff --git a/src/ui/mapper/FontMapper.cpp b/src/ui/mapper/FontMapper.cpp
index 1f749513..a0dcdd9f 100644
--- a/src/ui/mapper/FontMapper.cpp
+++ b/src/ui/mapper/FontMapper.cpp
@@ -1,6 +1,7 @@
 #include "cru/ui/mapper/FontMapper.h"
 #include "../Helper.h"
 #include "cru/base/String.h"
+#include "cru/base/StringUtil.h"
 #include "cru/platform/graphics/Factory.h"
 
 namespace cru::ui::mapper {
@@ -15,7 +16,8 @@ std::shared_ptr<platform::graphics::IFont> FontMapper::DoMapFromXml(
 
   auto font_family = font_family_attr.value_or("");
   auto font_size =
-      font_size_attr ? String::FromUtf8(*font_size_attr).ParseToFloat() : 24.0f;
+      font_size_attr ? cru::string::ParseToNumber<float>(*font_size_attr).value
+                     : 24.0f;
 
   return GetGraphicsFactory()->CreateFont(font_family, font_size);
 }
diff --git a/src/ui/mapper/MeasureLengthMapper.cpp b/src/ui/mapper/MeasureLengthMapper.cpp
index 9f5c2a26..d36afb0e 100644
--- a/src/ui/mapper/MeasureLengthMapper.cpp
+++ b/src/ui/mapper/MeasureLengthMapper.cpp
@@ -15,7 +15,7 @@ render::MeasureLength MeasureLengthMapper::DoMapFromString(std::string str) {
   if (cru::string::CaseInsensitiveCompare(str, "unspecified") == 0) {
     return render::MeasureLength::NotSpecified();
   }
-  auto value = String::FromUtf8(str).ParseToFloat();
+  auto value = cru::string::ParseToNumber<float>(str).value;
   if (value < 0) {
     return render::MeasureLength::NotSpecified();
   }
diff --git a/src/ui/mapper/PointMapper.cpp b/src/ui/mapper/PointMapper.cpp
index 12f000ef..a63e1b9e 100644
--- a/src/ui/mapper/PointMapper.cpp
+++ b/src/ui/mapper/PointMapper.cpp
@@ -1,6 +1,5 @@
 #include "cru/ui/mapper/PointMapper.h"
-
-#include <cru/base/String.h>
+#include "cru/base/StringUtil.h"
 
 namespace cru::ui::mapper {
 bool PointMapper::XmlElementIsOfThisType(xml::XmlElementNode* node) {
@@ -8,7 +7,7 @@ bool PointMapper::XmlElementIsOfThisType(xml::XmlElementNode* node) {
 }
 
 Point PointMapper::DoMapFromString(std::string str) {
-  std::vector<float> values = String::FromUtf8(str).ParseToFloatList();
+  std::vector<float> values = cru::string::ParseToNumberList<float>(str);
   if (values.size() == 2) {
     return {values[0], values[1]};
   } else if (values.size() == 1) {
diff --git a/src/ui/mapper/SizeMapper.cpp b/src/ui/mapper/SizeMapper.cpp
index de8a0ded..d07d937d 100644
--- a/src/ui/mapper/SizeMapper.cpp
+++ b/src/ui/mapper/SizeMapper.cpp
@@ -1,6 +1,5 @@
 #include "cru/ui/mapper/SizeMapper.h"
-
-#include <cru/base/String.h>
+#include "cru/base/StringUtil.h"
 
 namespace cru::ui::mapper {
 bool SizeMapper::XmlElementIsOfThisType(xml::XmlElementNode* node) {
@@ -8,7 +7,7 @@ bool SizeMapper::XmlElementIsOfThisType(xml::XmlElementNode* node) {
 }
 
 Size SizeMapper::DoMapFromString(std::string str) {
-  std::vector<float> values = String::FromUtf8(str).ParseToFloatList();
+  std::vector<float> values = cru::string::ParseToNumberList<float>(str);
   if (values.size() == 2) {
     return {values[0], values[1]};
   } else if (values.size() == 1) {
diff --git a/src/ui/mapper/ThicknessMapper.cpp b/src/ui/mapper/ThicknessMapper.cpp
index 96f016a7..e6557689 100644
--- a/src/ui/mapper/ThicknessMapper.cpp
+++ b/src/ui/mapper/ThicknessMapper.cpp
@@ -1,6 +1,6 @@
 #include "cru/ui/mapper/ThicknessMapper.h"
+#include "cru/base/StringUtil.h"
 #include "cru/xml/XmlNode.h"
-#include "cru/base/String.h"
 
 namespace cru::ui::mapper {
 bool ThicknessMapper::XmlElementIsOfThisType(xml::XmlElementNode* node) {
@@ -8,7 +8,7 @@ bool ThicknessMapper::XmlElementIsOfThisType(xml::XmlElementNode* node) {
 }
 
 Thickness ThicknessMapper::DoMapFromString(std::string str) {
-  std::vector<float> values = String::FromUtf8(str).ParseToFloatList();
+  std::vector<float> values = cru::string::ParseToNumberList<float>(str);
   if (values.size() == 4) {
     return Thickness(values[0], values[1], values[2], values[3]);
   } else if (values.size() == 2) {