move skpdiff into tools

experimental/skpdiff/skpdiff_util.cpp

Index: experimental/skpdiff/skpdiff_util.cpp
diff --git a/experimental/skpdiff/skpdiff_util.cpp b/experimental/skpdiff/skpdiff_util.cpp
deleted file mode 100644
index 0047959b60fbda4496c868c613240839d0f9b6b8..0000000000000000000000000000000000000000
--- a/experimental/skpdiff/skpdiff_util.cpp
+++ /dev/null
@@ -1,183 +0,0 @@
-/*
- * Copyright 2013 Google Inc.
- *
- * Use of this source code is governed by a BSD-style license that can be
- * found in the LICENSE file.
- */
-
-#if SK_BUILD_FOR_MAC || SK_BUILD_FOR_UNIX || SK_BUILD_FOR_ANDROID
-#   include <unistd.h>
-#   include <sys/time.h>
-#   include <dirent.h>
-#endif
-
-#if SK_BUILD_FOR_MAC || SK_BUILD_FOR_UNIX
-#   include <glob.h>
-#endif
-
-#if SK_BUILD_FOR_WIN32
-#   include <windows.h>
-#endif
-
-#include <time.h>
-#include "SkOSFile.h"
-#include "skpdiff_util.h"
-
-#if SK_SUPPORT_OPENCL
-const char* cl_error_to_string(cl_int err) {
-    switch (err) {
-        case CL_SUCCESS:                         return "CL_SUCCESS";
-        case CL_DEVICE_NOT_FOUND:                return "CL_DEVICE_NOT_FOUND";
-        case CL_DEVICE_NOT_AVAILABLE:            return "CL_DEVICE_NOT_AVAILABLE";
-        case CL_COMPILER_NOT_AVAILABLE:          return "CL_COMPILER_NOT_AVAILABLE";
-        case CL_MEM_OBJECT_ALLOCATION_FAILURE:   return "CL_MEM_OBJECT_ALLOCATION_FAILURE";
-        case CL_OUT_OF_RESOURCES:                return "CL_OUT_OF_RESOURCES";
-        case CL_OUT_OF_HOST_MEMORY:              return "CL_OUT_OF_HOST_MEMORY";
-        case CL_PROFILING_INFO_NOT_AVAILABLE:    return "CL_PROFILING_INFO_NOT_AVAILABLE";
-        case CL_MEM_COPY_OVERLAP:                return "CL_MEM_COPY_OVERLAP";
-        case CL_IMAGE_FORMAT_MISMATCH:           return "CL_IMAGE_FORMAT_MISMATCH";
-        case CL_IMAGE_FORMAT_NOT_SUPPORTED:      return "CL_IMAGE_FORMAT_NOT_SUPPORTED";
-        case CL_BUILD_PROGRAM_FAILURE:           return "CL_BUILD_PROGRAM_FAILURE";
-        case CL_MAP_FAILURE:                     return "CL_MAP_FAILURE";
-        case CL_INVALID_VALUE:                   return "CL_INVALID_VALUE";
-        case CL_INVALID_DEVICE_TYPE:             return "CL_INVALID_DEVICE_TYPE";
-        case CL_INVALID_PLATFORM:                return "CL_INVALID_PLATFORM";
-        case CL_INVALID_DEVICE:                  return "CL_INVALID_DEVICE";
-        case CL_INVALID_CONTEXT:                 return "CL_INVALID_CONTEXT";
-        case CL_INVALID_QUEUE_PROPERTIES:        return "CL_INVALID_QUEUE_PROPERTIES";
-        case CL_INVALID_COMMAND_QUEUE:           return "CL_INVALID_COMMAND_QUEUE";
-        case CL_INVALID_HOST_PTR:                return "CL_INVALID_HOST_PTR";
-        case CL_INVALID_MEM_OBJECT:              return "CL_INVALID_MEM_OBJECT";
-        case CL_INVALID_IMAGE_FORMAT_DESCRIPTOR: return "CL_INVALID_IMAGE_FORMAT_DESCRIPTOR";
-        case CL_INVALID_IMAGE_SIZE:              return "CL_INVALID_IMAGE_SIZE";
-        case CL_INVALID_SAMPLER:                 return "CL_INVALID_SAMPLER";
-        case CL_INVALID_BINARY:                  return "CL_INVALID_BINARY";
-        case CL_INVALID_BUILD_OPTIONS:           return "CL_INVALID_BUILD_OPTIONS";
-        case CL_INVALID_PROGRAM:                 return "CL_INVALID_PROGRAM";
-        case CL_INVALID_PROGRAM_EXECUTABLE:      return "CL_INVALID_PROGRAM_EXECUTABLE";
-        case CL_INVALID_KERNEL_NAME:             return "CL_INVALID_KERNEL_NAME";
-        case CL_INVALID_KERNEL_DEFINITION:       return "CL_INVALID_KERNEL_DEFINITION";
-        case CL_INVALID_KERNEL:                  return "CL_INVALID_KERNEL";
-        case CL_INVALID_ARG_INDEX:               return "CL_INVALID_ARG_INDEX";
-        case CL_INVALID_ARG_VALUE:               return "CL_INVALID_ARG_VALUE";
-        case CL_INVALID_ARG_SIZE:                return "CL_INVALID_ARG_SIZE";
-        case CL_INVALID_KERNEL_ARGS:             return "CL_INVALID_KERNEL_ARGS";
-        case CL_INVALID_WORK_DIMENSION:          return "CL_INVALID_WORK_DIMENSION";
-        case CL_INVALID_WORK_GROUP_SIZE:         return "CL_INVALID_WORK_GROUP_SIZE";
-        case CL_INVALID_WORK_ITEM_SIZE:          return "CL_INVALID_WORK_ITEM_SIZE";
-        case CL_INVALID_GLOBAL_OFFSET:           return "CL_INVALID_GLOBAL_OFFSET";
-        case CL_INVALID_EVENT_WAIT_LIST:         return "CL_INVALID_EVENT_WAIT_LIST";
-        case CL_INVALID_EVENT:                   return "CL_INVALID_EVENT";
-        case CL_INVALID_OPERATION:               return "CL_INVALID_OPERATION";
-        case CL_INVALID_GL_OBJECT:               return "CL_INVALID_GL_OBJECT";
-        case CL_INVALID_BUFFER_SIZE:             return "CL_INVALID_BUFFER_SIZE";
-        case CL_INVALID_MIP_LEVEL:               return "CL_INVALID_MIP_LEVEL";
-        default:                                 return "UNKNOWN";
-    }
-    return "UNKNOWN";
-}
-#endif
-
-// TODO refactor BenchTimer to be used here
-double get_seconds() {
-#if SK_BUILD_FOR_WIN32
-    LARGE_INTEGER currentTime;
-    LARGE_INTEGER frequency;
-    QueryPerformanceCounter(&currentTime);
-    QueryPerformanceFrequency(&frequency);
-    return (double)currentTime.QuadPart / (double)frequency.QuadPart;
-#elif _POSIX_TIMERS > 0 && defined(CLOCK_REALTIME)
-    struct timespec currentTime;
-    clock_gettime(CLOCK_REALTIME, &currentTime);
-    return currentTime.tv_sec + (double)currentTime.tv_nsec / 1e9;
-#elif SK_BUILD_FOR_MAC || SK_BUILD_FOR_UNIX || SK_BUILD_FOR_ANDROID
-    struct timeval currentTime;
-    gettimeofday(&currentTime, NULL);
-    return currentTime.tv_sec + (double)currentTime.tv_usec / 1e6;
-#else
-    return clock() / (double)CLOCKS_PER_SEC;
-#endif
-}
-
-bool get_directory(const char path[], SkTArray<SkString>* entries) {
-#if SK_BUILD_FOR_MAC || SK_BUILD_FOR_UNIX || SK_BUILD_FOR_ANDROID
-    // Open the directory and check for success
-    DIR* dir = opendir(path);
-    if (NULL == dir) {
-        return false;
-    }
-
-    // Loop through dir entries until there are none left (i.e. readdir returns NULL)
-    struct dirent* entry;
-    while ((entry = readdir(dir))) {
-        // dirent only gives relative paths, we need to join them to the base path to check if they
-        // are directories.
-        SkString joinedPath = SkOSPath::SkPathJoin(path, entry->d_name);
-
-        // We only care about files
-        if (!sk_isdir(joinedPath.c_str())) {
-            entries->push_back(SkString(entry->d_name));
-        }
-    }
-
-    closedir(dir);
-
-    return true;
-#elif SK_BUILD_FOR_WIN32
-    char pathDirGlob[MAX_PATH];
-    char pathLength = strlen(path);
-    strncpy(pathDirGlob, path, pathLength);
-
-    if (path[pathLength - 1] == '/' || path[pathLength - 1] == '\\') {
-        SkASSERT(pathLength + 2 <= MAX_PATH);
-        pathDirGlob[pathLength] = '*';
-        pathDirGlob[pathLength + 1] = '\0';
-    } else {
-        SkASSERT(pathLength + 3 <= MAX_PATH);
-        pathDirGlob[pathLength] = '\\';
-        pathDirGlob[pathLength + 1] = '*';
-        pathDirGlob[pathLength + 2] = '\0';
-    }
-
-    WIN32_FIND_DATA findFileData;
-    HANDLE hFind = FindFirstFile(pathDirGlob, &findFileData);
-    if (INVALID_HANDLE_VALUE == hFind) {
-        return false;
-    }
-
-    do {
-        if ((findFileData.dwFileAttributes & FILE_ATTRIBUTE_DIRECTORY) == 0) {
-            entries->push_back(SkString(findFileData.cFileName));
-        }
-    } while (FindNextFile(hFind, &findFileData) != 0);
-
-    FindClose(hFind);
-    return true;
-#else
-    return false;
-#endif
-}
-
-bool glob_files(const char globPattern[], SkTArray<SkString>* entries) {
-#if SK_BUILD_FOR_MAC || SK_BUILD_FOR_UNIX
-    // TODO Make sure this works on windows. This may require use of FindNextFile windows function.
-    glob_t globBuffer;
-    if (glob(globPattern, 0, NULL, &globBuffer) != 0) {
-        return false;
-    }
-
-    // Note these paths are in sorted order by default according to http://linux.die.net/man/3/glob
-    // Check under the flag GLOB_NOSORT
-    char** paths = globBuffer.gl_pathv;
-    while(NULL != *paths) {
-        entries->push_back(SkString(*paths));
-        paths++;
-    }
-
-    globfree(&globBuffer);
-
-    return true;
-#else
-    return false;
-#endif
-}