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helper_string.h
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helper_string.h
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/**
* Copyright 1993-2013 NVIDIA Corporation. All rights reserved.
*
* Please refer to the NVIDIA end user license agreement (EULA) associated
* with this source code for terms and conditions that govern your use of
* this software. Any use, reproduction, disclosure, or distribution of
* this software and related documentation outside the terms of the EULA
* is strictly prohibited.
*
*/
// These are helper functions for the SDK samples (string parsing, timers, etc)
#ifndef STRING_HELPER_H
#define STRING_HELPER_H
#include <stdio.h>
#include <stdlib.h>
#include <fstream>
#include <string>
#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
#ifndef _CRT_SECURE_NO_DEPRECATE
#define _CRT_SECURE_NO_DEPRECATE
#endif
#ifndef STRCASECMP
#define STRCASECMP _stricmp
#endif
#ifndef STRNCASECMP
#define STRNCASECMP _strnicmp
#endif
#ifndef STRCPY
#define STRCPY(sFilePath, nLength, sPath) strcpy_s(sFilePath, nLength, sPath)
#endif
#ifndef FOPEN
#define FOPEN(fHandle,filename,mode) fopen_s(&fHandle, filename, mode)
#endif
#ifndef FOPEN_FAIL
#define FOPEN_FAIL(result) (result != 0)
#endif
#ifndef SSCANF
#define SSCANF sscanf_s
#endif
#ifndef SPRINTF
#define SPRINTF sprintf_s
#endif
#else // Linux Includes
#include <string.h>
#include <strings.h>
#ifndef STRCASECMP
#define STRCASECMP strcasecmp
#endif
#ifndef STRNCASECMP
#define STRNCASECMP strncasecmp
#endif
#ifndef STRCPY
#define STRCPY(sFilePath, nLength, sPath) strcpy(sFilePath, sPath)
#endif
#ifndef FOPEN
#define FOPEN(fHandle,filename,mode) (fHandle = fopen(filename, mode))
#endif
#ifndef FOPEN_FAIL
#define FOPEN_FAIL(result) (result == NULL)
#endif
#ifndef SSCANF
#define SSCANF sscanf
#endif
#ifndef SPRINTF
#define SPRINTF sprintf
#endif
#endif
#ifndef EXIT_WAIVED
#define EXIT_WAIVED 2
#endif
// CUDA Utility Helper Functions
inline int stringRemoveDelimiter(char delimiter, const char *string)
{
int string_start = 0;
while (string[string_start] == delimiter)
{
string_start++;
}
if (string_start >= (int)strlen(string)-1)
{
return 0;
}
return string_start;
}
inline int getFileExtension(char *filename, char **extension)
{
int string_length = (int)strlen(filename);
while (filename[string_length--] != '.')
{
if (string_length == 0)
break;
}
if (string_length > 0) string_length += 2;
if (string_length == 0)
*extension = NULL;
else
*extension = &filename[string_length];
return string_length;
}
inline bool checkCmdLineFlag(const int argc, const char **argv, const char *string_ref)
{
bool bFound = false;
if (argc >= 1)
{
for (int i=1; i < argc; i++)
{
int string_start = stringRemoveDelimiter('-', argv[i]);
const char *string_argv = &argv[i][string_start];
const char *equal_pos = strchr(string_argv, '=');
int argv_length = (int)(equal_pos == 0 ? strlen(string_argv) : equal_pos - string_argv);
int length = (int)strlen(string_ref);
if (length == argv_length && !STRNCASECMP(string_argv, string_ref, length))
{
bFound = true;
continue;
}
}
}
return bFound;
}
// This function wraps the CUDA Driver API into a template function
template <class T>
inline bool getCmdLineArgumentValue(const int argc, const char **argv, const char *string_ref, T *value)
{
bool bFound = false;
if (argc >= 1)
{
for (int i=1; i < argc; i++)
{
int string_start = stringRemoveDelimiter('-', argv[i]);
const char *string_argv = &argv[i][string_start];
int length = (int)strlen(string_ref);
if (!STRNCASECMP(string_argv, string_ref, length))
{
if (length+1 <= (int)strlen(string_argv))
{
int auto_inc = (string_argv[length] == '=') ? 1 : 0;
*value = (T)atoi(&string_argv[length + auto_inc]);
}
bFound = true;
i=argc;
}
}
}
return bFound;
}
inline int getCmdLineArgumentInt(const int argc, const char **argv, const char *string_ref)
{
bool bFound = false;
int value = -1;
if (argc >= 1)
{
for (int i=1; i < argc; i++)
{
int string_start = stringRemoveDelimiter('-', argv[i]);
const char *string_argv = &argv[i][string_start];
int length = (int)strlen(string_ref);
if (!STRNCASECMP(string_argv, string_ref, length))
{
if (length+1 <= (int)strlen(string_argv))
{
int auto_inc = (string_argv[length] == '=') ? 1 : 0;
value = atoi(&string_argv[length + auto_inc]);
}
else
{
value = 0;
}
bFound = true;
continue;
}
}
}
if (bFound)
{
return value;
}
else
{
return 0;
}
}
inline float getCmdLineArgumentFloat(const int argc, const char **argv, const char *string_ref)
{
bool bFound = false;
float value = -1;
if (argc >= 1)
{
for (int i=1; i < argc; i++)
{
int string_start = stringRemoveDelimiter('-', argv[i]);
const char *string_argv = &argv[i][string_start];
int length = (int)strlen(string_ref);
if (!STRNCASECMP(string_argv, string_ref, length))
{
if (length+1 <= (int)strlen(string_argv))
{
int auto_inc = (string_argv[length] == '=') ? 1 : 0;
value = (float)atof(&string_argv[length + auto_inc]);
}
else
{
value = 0.f;
}
bFound = true;
continue;
}
}
}
if (bFound)
{
return value;
}
else
{
return 0;
}
}
inline bool getCmdLineArgumentString(const int argc, const char **argv,
const char *string_ref, char **string_retval)
{
bool bFound = false;
if (argc >= 1)
{
for (int i=1; i < argc; i++)
{
int string_start = stringRemoveDelimiter('-', argv[i]);
char *string_argv = (char *)&argv[i][string_start];
int length = (int)strlen(string_ref);
if (!STRNCASECMP(string_argv, string_ref, length))
{
*string_retval = &string_argv[length+1];
bFound = true;
continue;
}
}
}
if (!bFound)
{
*string_retval = NULL;
}
return bFound;
}
//////////////////////////////////////////////////////////////////////////////
//! Find the path for a file assuming that
//! files are found in the searchPath.
//!
//! @return the path if succeeded, otherwise 0
//! @param filename name of the file
//! @param executable_path optional absolute path of the executable
//////////////////////////////////////////////////////////////////////////////
inline char *sdkFindFilePath(const char *filename, const char *executable_path)
{
// <executable_name> defines a variable that is replaced with the name of the executable
// Typical relative search paths to locate needed companion files (e.g. sample input data, or JIT source files)
// The origin for the relative search may be the .exe file, a .bat file launching an .exe, a browser .exe launching the .exe or .bat, etc
const char *searchPath[] =
{
"./", // same dir
"./common/", // "/common/" subdir
"./common/data/", // "/common/data/" subdir
"./data/", // "/data/" subdir
"./src/", // "/src/" subdir
"./src/<executable_name>/data/", // "/src/<executable_name>/data/" subdir
"./inc/", // "/inc/" subdir
"./0_Simple/", // "/0_Simple/" subdir
"./1_Utilities/", // "/1_Utilities/" subdir
"./2_Graphics/", // "/2_Graphics/" subdir
"./3_Imaging/", // "/3_Imaging/" subdir
"./4_Finance/", // "/4_Finance/" subdir
"./5_Simulations/", // "/5_Simulations/" subdir
"./6_Advanced/", // "/6_Advanced/" subdir
"./7_CUDALibraries/", // "/7_CUDALibraries/" subdir
"./8_Android/", // "/8_Android/" subdir
"./samples/", // "/samples/" subdir
"../", // up 1 in tree
"../common/", // up 1 in tree, "/common/" subdir
"../common/data/", // up 1 in tree, "/common/data/" subdir
"../data/", // up 1 in tree, "/data/" subdir
"../src/", // up 1 in tree, "/src/" subdir
"../inc/", // up 1 in tree, "/inc/" subdir
"../0_Simple/<executable_name>/data/", // up 1 in tree, "/0_Simple/<executable_name>/" subdir
"../1_Utilities/<executable_name>/data/", // up 1 in tree, "/1_Utilities/<executable_name>/" subdir
"../2_Graphics/<executable_name>/data/", // up 1 in tree, "/2_Graphics/<executable_name>/" subdir
"../3_Imaging/<executable_name>/data/", // up 1 in tree, "/3_Imaging/<executable_name>/" subdir
"../4_Finance/<executable_name>/data/", // up 1 in tree, "/4_Finance/<executable_name>/" subdir
"../5_Simulations/<executable_name>/data/", // up 1 in tree, "/5_Simulations/<executable_name>/" subdir
"../6_Advanced/<executable_name>/data/", // up 1 in tree, "/6_Advanced/<executable_name>/" subdir
"../7_CUDALibraries/<executable_name>/data/",// up 1 in tree, "/7_CUDALibraries/<executable_name>/" subdir
"../8_Android/<executable_name>/data/", // up 1 in tree, "/8_Android/<executable_name>/" subdir
"../samples/<executable_name>/data/", // up 1 in tree, "/samples/<executable_name>/" subdir
"../../", // up 2 in tree
"../../common/", // up 2 in tree, "/common/" subdir
"../../common/data/", // up 2 in tree, "/common/data/" subdir
"../../data/", // up 2 in tree, "/data/" subdir
"../../src/", // up 2 in tree, "/src/" subdir
"../../inc/", // up 2 in tree, "/inc/" subdir
"../../sandbox/<executable_name>/data/", // up 2 in tree, "/sandbox/<executable_name>/" subdir
"../../0_Simple/<executable_name>/data/", // up 2 in tree, "/0_Simple/<executable_name>/" subdir
"../../1_Utilities/<executable_name>/data/", // up 2 in tree, "/1_Utilities/<executable_name>/" subdir
"../../2_Graphics/<executable_name>/data/", // up 2 in tree, "/2_Graphics/<executable_name>/" subdir
"../../3_Imaging/<executable_name>/data/", // up 2 in tree, "/3_Imaging/<executable_name>/" subdir
"../../4_Finance/<executable_name>/data/", // up 2 in tree, "/4_Finance/<executable_name>/" subdir
"../../5_Simulations/<executable_name>/data/", // up 2 in tree, "/5_Simulations/<executable_name>/" subdir
"../../6_Advanced/<executable_name>/data/", // up 2 in tree, "/6_Advanced/<executable_name>/" subdir
"../../7_CUDALibraries/<executable_name>/data/", // up 2 in tree, "/7_CUDALibraries/<executable_name>/" subdir
"../../8_Android/<executable_name>/data/", // up 2 in tree, "/8_Android/<executable_name>/" subdir
"../../samples/<executable_name>/data/", // up 2 in tree, "/samples/<executable_name>/" subdir
"../../../", // up 3 in tree
"../../../src/<executable_name>/", // up 3 in tree, "/src/<executable_name>/" subdir
"../../../src/<executable_name>/data/", // up 3 in tree, "/src/<executable_name>/data/" subdir
"../../../src/<executable_name>/src/", // up 3 in tree, "/src/<executable_name>/src/" subdir
"../../../src/<executable_name>/inc/", // up 3 in tree, "/src/<executable_name>/inc/" subdir
"../../../sandbox/<executable_name>/", // up 3 in tree, "/sandbox/<executable_name>/" subdir
"../../../sandbox/<executable_name>/data/", // up 3 in tree, "/sandbox/<executable_name>/data/" subdir
"../../../sandbox/<executable_name>/src/", // up 3 in tree, "/sandbox/<executable_name>/src/" subdir
"../../../sandbox/<executable_name>/inc/", // up 3 in tree, "/sandbox/<executable_name>/inc/" subdir
"../../../0_Simple/<executable_name>/data/", // up 3 in tree, "/0_Simple/<executable_name>/" subdir
"../../../1_Utilities/<executable_name>/data/", // up 3 in tree, "/1_Utilities/<executable_name>/" subdir
"../../../2_Graphics/<executable_name>/data/", // up 3 in tree, "/2_Graphics/<executable_name>/" subdir
"../../../3_Imaging/<executable_name>/data/", // up 3 in tree, "/3_Imaging/<executable_name>/" subdir
"../../../4_Finance/<executable_name>/data/", // up 3 in tree, "/4_Finance/<executable_name>/" subdir
"../../../5_Simulations/<executable_name>/data/", // up 3 in tree, "/5_Simulations/<executable_name>/" subdir
"../../../6_Advanced/<executable_name>/data/", // up 3 in tree, "/6_Advanced/<executable_name>/" subdir
"../../../7_CUDALibraries/<executable_name>/data/", // up 3 in tree, "/7_CUDALibraries/<executable_name>/" subdir
"../../../8_Android/<executable_name>/data/", // up 3 in tree, "/8_Android/<executable_name>/" subdir
"../../../0_Simple/<executable_name>/", // up 3 in tree, "/0_Simple/<executable_name>/" subdir
"../../../1_Utilities/<executable_name>/", // up 3 in tree, "/1_Utilities/<executable_name>/" subdir
"../../../2_Graphics/<executable_name>/", // up 3 in tree, "/2_Graphics/<executable_name>/" subdir
"../../../3_Imaging/<executable_name>/", // up 3 in tree, "/3_Imaging/<executable_name>/" subdir
"../../../4_Finance/<executable_name>/", // up 3 in tree, "/4_Finance/<executable_name>/" subdir
"../../../5_Simulations/<executable_name>/", // up 3 in tree, "/5_Simulations/<executable_name>/" subdir
"../../../6_Advanced/<executable_name>/", // up 3 in tree, "/6_Advanced/<executable_name>/" subdir
"../../../7_CUDALibraries/<executable_name>/", // up 3 in tree, "/7_CUDALibraries/<executable_name>/" subdir
"../../../8_Android/<executable_name>/", // up 3 in tree, "/8_Android/<executable_name>/" subdir
"../../../samples/<executable_name>/data/", // up 3 in tree, "/samples/<executable_name>/" subdir
"../../../common/", // up 3 in tree, "../../../common/" subdir
"../../../common/data/", // up 3 in tree, "../../../common/data/" subdir
"../../../data/", // up 3 in tree, "../../../data/" subdir
"../../../../", // up 4 in tree
"../../../../src/<executable_name>/", // up 4 in tree, "/src/<executable_name>/" subdir
"../../../../src/<executable_name>/data/", // up 4 in tree, "/src/<executable_name>/data/" subdir
"../../../../src/<executable_name>/src/", // up 4 in tree, "/src/<executable_name>/src/" subdir
"../../../../src/<executable_name>/inc/", // up 4 in tree, "/src/<executable_name>/inc/" subdir
"../../../../sandbox/<executable_name>/", // up 4 in tree, "/sandbox/<executable_name>/" subdir
"../../../../sandbox/<executable_name>/data/", // up 4 in tree, "/sandbox/<executable_name>/data/" subdir
"../../../../sandbox/<executable_name>/src/", // up 4 in tree, "/sandbox/<executable_name>/src/" subdir
"../../../../sandbox/<executable_name>/inc/", // up 4 in tree, "/sandbox/<executable_name>/inc/" subdir
"../../../../0_Simple/<executable_name>/data/", // up 4 in tree, "/0_Simple/<executable_name>/" subdir
"../../../../1_Utilities/<executable_name>/data/", // up 4 in tree, "/1_Utilities/<executable_name>/" subdir
"../../../../2_Graphics/<executable_name>/data/", // up 4 in tree, "/2_Graphics/<executable_name>/" subdir
"../../../../3_Imaging/<executable_name>/data/", // up 4 in tree, "/3_Imaging/<executable_name>/" subdir
"../../../../4_Finance/<executable_name>/data/", // up 4 in tree, "/4_Finance/<executable_name>/" subdir
"../../../../5_Simulations/<executable_name>/data/",// up 4 in tree, "/5_Simulations/<executable_name>/" subdir
"../../../../6_Advanced/<executable_name>/data/", // up 4 in tree, "/6_Advanced/<executable_name>/" subdir
"../../../../7_CUDALibraries/<executable_name>/data/", // up 4 in tree, "/7_CUDALibraries/<executable_name>/" subdir
"../../../../8_Android/<executable_name>/data/", // up 4 in tree, "/8_Android/<executable_name>/" subdir
"../../../../0_Simple/<executable_name>/", // up 4 in tree, "/0_Simple/<executable_name>/" subdir
"../../../../1_Utilities/<executable_name>/", // up 4 in tree, "/1_Utilities/<executable_name>/" subdir
"../../../../2_Graphics/<executable_name>/", // up 4 in tree, "/2_Graphics/<executable_name>/" subdir
"../../../../3_Imaging/<executable_name>/", // up 4 in tree, "/3_Imaging/<executable_name>/" subdir
"../../../../4_Finance/<executable_name>/", // up 4 in tree, "/4_Finance/<executable_name>/" subdir
"../../../../5_Simulations/<executable_name>/",// up 4 in tree, "/5_Simulations/<executable_name>/" subdir
"../../../../6_Advanced/<executable_name>/", // up 4 in tree, "/6_Advanced/<executable_name>/" subdir
"../../../../7_CUDALibraries/<executable_name>/", // up 4 in tree, "/7_CUDALibraries/<executable_name>/" subdir
"../../../../8_Android/<executable_name>/", // up 4 in tree, "/8_Android/<executable_name>/" subdir
"../../../../samples/<executable_name>/data/", // up 4 in tree, "/samples/<executable_name>/" subdir
"../../../../common/", // up 4 in tree, "../../../common/" subdir
"../../../../common/data/", // up 4 in tree, "../../../common/data/" subdir
"../../../../data/", // up 4 in tree, "../../../data/" subdir
"../../../../../", // up 5 in tree
"../../../../../src/<executable_name>/", // up 5 in tree, "/src/<executable_name>/" subdir
"../../../../../src/<executable_name>/data/", // up 5 in tree, "/src/<executable_name>/data/" subdir
"../../../../../src/<executable_name>/src/", // up 5 in tree, "/src/<executable_name>/src/" subdir
"../../../../../src/<executable_name>/inc/", // up 5 in tree, "/src/<executable_name>/inc/" subdir
"../../../../../sandbox/<executable_name>/", // up 5 in tree, "/sandbox/<executable_name>/" subdir
"../../../../../sandbox/<executable_name>/data/", // up 5 in tree, "/sandbox/<executable_name>/data/" subdir
"../../../../../sandbox/<executable_name>/src/", // up 5 in tree, "/sandbox/<executable_name>/src/" subdir
"../../../../../sandbox/<executable_name>/inc/", // up 5 in tree, "/sandbox/<executable_name>/inc/" subdir
"../../../../../0_Simple/<executable_name>/data/", // up 5 in tree, "/0_Simple/<executable_name>/" subdir
"../../../../../1_Utilities/<executable_name>/data/", // up 5 in tree, "/1_Utilities/<executable_name>/" subdir
"../../../../../2_Graphics/<executable_name>/data/", // up 5 in tree, "/2_Graphics/<executable_name>/" subdir
"../../../../../3_Imaging/<executable_name>/data/", // up 5 in tree, "/3_Imaging/<executable_name>/" subdir
"../../../../../4_Finance/<executable_name>/data/", // up 5 in tree, "/4_Finance/<executable_name>/" subdir
"../../../../../5_Simulations/<executable_name>/data/",// up 5 in tree, "/5_Simulations/<executable_name>/" subdir
"../../../../../6_Advanced/<executable_name>/data/", // up 5 in tree, "/6_Advanced/<executable_name>/" subdir
"../../../../../7_CUDALibraries/<executable_name>/data/", // up 5 in tree, "/7_CUDALibraries/<executable_name>/" subdir
"../../../../../8_Android/<executable_name>/data/", // up 5 in tree, "/8_Android/<executable_name>/" subdir
"../../../../../samples/<executable_name>/data/", // up 5 in tree, "/samples/<executable_name>/" subdir
"../../../../../common/", // up 5 in tree, "../../../common/" subdir
"../../../../../common/data/", // up 5 in tree, "../../../common/data/" subdir
};
// Extract the executable name
std::string executable_name;
if (executable_path != 0)
{
executable_name = std::string(executable_path);
#if defined(WIN32) || defined(_WIN32) || defined(WIN64) || defined(_WIN64)
// Windows path delimiter
size_t delimiter_pos = executable_name.find_last_of('\\');
executable_name.erase(0, delimiter_pos + 1);
if (executable_name.rfind(".exe") != std::string::npos)
{
// we strip .exe, only if the .exe is found
executable_name.resize(executable_name.size() - 4);
}
#else
// Linux & OSX path delimiter
size_t delimiter_pos = executable_name.find_last_of('/');
executable_name.erase(0,delimiter_pos+1);
#endif
}
// Loop over all search paths and return the first hit
for (unsigned int i = 0; i < sizeof(searchPath)/sizeof(char *); ++i)
{
std::string path(searchPath[i]);
size_t executable_name_pos = path.find("<executable_name>");
// If there is executable_name variable in the searchPath
// replace it with the value
if (executable_name_pos != std::string::npos)
{
if (executable_path != 0)
{
path.replace(executable_name_pos, strlen("<executable_name>"), executable_name);
}
else
{
// Skip this path entry if no executable argument is given
continue;
}
}
#ifdef _DEBUG
printf("sdkFindFilePath <%s> in %s\n", filename, path.c_str());
#endif
// Test if the file exists
path.append(filename);
FILE *fp;
FOPEN(fp, path.c_str(), "rb");
if (fp != NULL)
{
fclose(fp);
// File found
// returning an allocated array here for backwards compatibility reasons
char *file_path = (char *) malloc(path.length() + 1);
STRCPY(file_path, path.length() + 1, path.c_str());
return file_path;
}
if (fp)
{
fclose(fp);
}
}
// File not found
return 0;
}
#endif