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#include "slang-io.h"
#include "exception.h"
#ifndef __STDC__
# define __STDC__ 1
#endif
#include <sys/stat.h>
#ifdef _WIN32
# include <direct.h>
#endif
#include <limits.h> /* PATH_MAX */
#include <stdio.h>
#include <stdlib.h>
namespace Slang
{
bool File::Exists(const String & fileName)
{
#ifdef _WIN32
struct _stat32 statVar;
return ::_wstat32(((String)fileName).ToWString(), &statVar) != -1;
#else
struct stat statVar;
return ::stat(fileName.Buffer(), &statVar) == 0;
#endif
}
String Path::TruncateExt(const String & path)
{
UInt dotPos = path.LastIndexOf('.');
if (dotPos != -1)
return path.SubString(0, dotPos);
else
return path;
}
String Path::ReplaceExt(const String & path, const char * newExt)
{
StringBuilder sb(path.Length()+10);
UInt dotPos = path.LastIndexOf('.');
if (dotPos == -1)
dotPos = path.Length();
sb.Append(path.Buffer(), dotPos);
sb.Append('.');
sb.Append(newExt);
return sb.ProduceString();
}
static UInt findLastSeparator(String const& path)
{
UInt slashPos = path.LastIndexOf('/');
UInt backslashPos = path.LastIndexOf('\\');
if (slashPos == -1) return backslashPos;
if (backslashPos == -1) return slashPos;
UInt pos = slashPos;
if (backslashPos > slashPos)
pos = backslashPos;
return pos;
}
String Path::GetFileName(const String & path)
{
UInt pos = findLastSeparator(path);
if (pos != -1)
{
pos = pos + 1;
return path.SubString(pos, path.Length() - pos);
}
else
{
return path;
}
}
String Path::GetFileNameWithoutEXT(const String & path)
{
String fileName = GetFileName(path);
UInt dotPos = fileName.LastIndexOf('.');
if (dotPos == -1)
return fileName;
return fileName.SubString(0, dotPos);
}
String Path::GetFileExt(const String & path)
{
UInt dotPos = path.LastIndexOf('.');
if (dotPos != -1)
return path.SubString(dotPos+1, path.Length()-dotPos-1);
else
return "";
}
String Path::GetDirectoryName(const String & path)
{
UInt pos = findLastSeparator(path);
if (pos != -1)
return path.SubString(0, pos);
else
return "";
}
String Path::Combine(const String & path1, const String & path2)
{
if (path1.Length() == 0) return path2;
StringBuilder sb(path1.Length()+path2.Length()+2);
sb.Append(path1);
if (!path1.EndsWith('\\') && !path1.EndsWith('/'))
sb.Append(PathDelimiter);
sb.Append(path2);
return sb.ProduceString();
}
String Path::Combine(const String & path1, const String & path2, const String & path3)
{
StringBuilder sb(path1.Length()+path2.Length()+path3.Length()+3);
sb.Append(path1);
if (!path1.EndsWith('\\') && !path1.EndsWith('/'))
sb.Append(PathDelimiter);
sb.Append(path2);
if (!path2.EndsWith('\\') && !path2.EndsWith('/'))
sb.Append(PathDelimiter);
sb.Append(path3);
return sb.ProduceString();
}
bool Path::CreateDir(const String & path)
{
#if defined(_WIN32)
return _wmkdir(path.ToWString()) == 0;
#else
return mkdir(path.Buffer(), 0777) == 0;
#endif
}
/* static */SlangResult Path::GetPathType(const String & path, SlangPathType* pathTypeOut)
{
#ifdef _WIN32
// https://msdn.microsoft.com/en-us/library/14h5k7ff.aspx
struct _stat32 statVar;
if (::_wstat32(String(path).ToWString(), &statVar) == 0)
{
if (statVar.st_mode & _S_IFDIR)
{
*pathTypeOut = SLANG_PATH_TYPE_DIRECTORY;
return SLANG_OK;
}
else if (statVar.st_mode & _S_IFREG)
{
*pathTypeOut = SLANG_PATH_TYPE_FILE;
return SLANG_OK;
}
return SLANG_FAIL;
}
return SLANG_E_NOT_FOUND;
#else
struct stat statVar;
if (::stat(path.Buffer(), &statVar) == 0)
{
if (S_ISDIR(statVar.st_mode))
{
*pathTypeOut = SLANG_PATH_TYPE_DIRECTORY;
return SLANG_OK;
}
if (S_ISREG(statVar.st_mode))
{
*pathTypeOut = SLANG_PATH_TYPE_FILE;
return SLANG_OK;
}
return SLANG_FAIL;
}
return SLANG_E_NOT_FOUND;
#endif
}
/* static */SlangResult Path::GetCanonical(const String & path, String & canonicalPathOut)
{
#if defined(_WIN32)
// https://msdn.microsoft.com/en-us/library/506720ff.aspx
wchar_t* absPath = ::_wfullpath(nullptr, path.ToWString(), 0);
if (!absPath)
{
return SLANG_FAIL;
}
canonicalPathOut = String::FromWString(absPath);
::free(absPath);
return SLANG_OK;
#else
// http://man7.org/linux/man-pages/man3/realpath.3.html
char* canonicalPath = ::realpath(path.begin(), nullptr);
if (canonicalPath)
{
canonicalPathOut = canonicalPath;
::free(canonicalPath);
return SLANG_OK;
}
return SLANG_FAIL;
#endif
}
Slang::String File::ReadAllText(const Slang::String & fileName)
{
StreamReader reader(new FileStream(fileName, FileMode::Open, FileAccess::Read, FileShare::ReadWrite));
return reader.ReadToEnd();
}
Slang::List<unsigned char> File::ReadAllBytes(const Slang::String & fileName)
{
RefPtr<FileStream> fs = new FileStream(fileName, FileMode::Open, FileAccess::Read, FileShare::ReadWrite);
List<unsigned char> buffer;
while (!fs->IsEnd())
{
unsigned char ch;
int read = (int)fs->Read(&ch, 1);
if (read)
buffer.Add(ch);
else
break;
}
return _Move(buffer);
}
void File::WriteAllText(const Slang::String & fileName, const Slang::String & text)
{
StreamWriter writer(new FileStream(fileName, FileMode::Create));
writer.Write(text);
}
}
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