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Common/FileSystem: Add IsAbsolutePath() and tests

This commit is contained in:
Connor McLaughlin 2020-07-23 02:35:37 +10:00
parent d46c104d1b
commit 266d70c629
6 changed files with 41 additions and 0 deletions
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1
src/common-tests/CMakeLists.txt
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@ -1,6 +1,7 @@
add_executable(common-tests
bitutils_tests.cpp
event_tests.cpp
file_system_tests.cpp
rectangle_tests.cpp
)

1
src/common-tests/common-tests.vcxproj
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@ -46,6 +46,7 @@
<ClCompile Include="..\..\dep\googletest\src\gtest_main.cc" />
<ClCompile Include="bitutils_tests.cpp" />
<ClCompile Include="event_tests.cpp" />
<ClCompile Include="file_system_tests.cpp" />
<ClCompile Include="rectangle_tests.cpp" />
</ItemGroup>
<PropertyGroup Label="Globals">

1
src/common-tests/common-tests.vcxproj.filters
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@ -5,5 +5,6 @@
<ClCompile Include="rectangle_tests.cpp" />
<ClCompile Include="event_tests.cpp" />
<ClCompile Include="bitutils_tests.cpp" />
<ClCompile Include="file_system_tests.cpp" />
</ItemGroup>
</Project>

25
src/common-tests/file_system_tests.cpp Normal file
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@ -0,0 +1,25 @@
#include "common/file_system.h"
#include <gtest/gtest.h>
TEST(FileSystem, IsAbsolutePath)
{
#ifdef WIN32
ASSERT_TRUE(FileSystem::IsAbsolutePath("C:\\"));
ASSERT_TRUE(FileSystem::IsAbsolutePath("C:\\Path"));
ASSERT_TRUE(FileSystem::IsAbsolutePath("C:\\Path\\Subdirectory"));
ASSERT_TRUE(FileSystem::IsAbsolutePath("C:/"));
ASSERT_TRUE(FileSystem::IsAbsolutePath("C:/Path"));
ASSERT_TRUE(FileSystem::IsAbsolutePath("C:/Path/Subdirectory"));
ASSERT_FALSE(FileSystem::IsAbsolutePath(""));
ASSERT_FALSE(FileSystem::IsAbsolutePath("C:"));
ASSERT_FALSE(FileSystem::IsAbsolutePath("Path"));
ASSERT_FALSE(FileSystem::IsAbsolutePath("Path/Subdirectory"));
#else
ASSERT_TRUE(FileSystem::IsAbsolutePath("/"));
ASSERT_TRUE(FileSystem::IsAbsolutePath("/path"));
ASSERT_TRUE(FileSystem::IsAbsolutePath("/path/subdirectory"));
ASSERT_FALSE(FileSystem::IsAbsolutePath(""));
ASSERT_FALSE(FileSystem::IsAbsolutePath("path"));
ASSERT_FALSE(FileSystem::IsAbsolutePath("path/subdirectory"));
#endif
}

10
src/common/file_system.cpp
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@ -230,6 +230,16 @@ void SanitizeFileName(String& Destination, bool StripSlashes /* = true */)
return SanitizeFileName(Destination, Destination, StripSlashes);
}
bool IsAbsolutePath(const std::string_view& path)
{
#ifdef WIN32
return (path.length() >= 3 && ((path[0] >= 'A' && path[0] <= 'Z') || (path[0] >= 'a' && path[0] <= 'z')) &&
path[1] == ':' && (path[2] == '/' || path[2] == '\\'));
#else
return (path.length() >= 1 && path[0] == '/');
#endif
}
std::string ReplaceExtension(std::string_view path, std::string_view new_extension)
{
std::string_view::size_type pos = path.rfind('.');

3
src/common/file_system.h
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@ -137,6 +137,9 @@ void SanitizeFileName(char* Destination, u32 cbDestination, const char* FileName
void SanitizeFileName(String& Destination, const char* FileName, bool StripSlashes = true);
void SanitizeFileName(String& Destination, bool StripSlashes = true);
/// Returns true if the specified path is an absolute path (C:\Path on Windows or /path on Unix).
bool IsAbsolutePath(const std::string_view& path);
/// Replaces the extension of a filename with another.
std::string ReplaceExtension(std::string_view path, std::string_view new_extension);