1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000
1.2 +++ b/gfx/skia/trunk/src/utils/ios/SkOSFile_iOS.mm Wed Dec 31 06:09:35 2014 +0100
1.3 @@ -0,0 +1,98 @@
1.4 +/*
1.5 + * Copyright 2010 Google Inc.
1.6 + *
1.7 + * Use of this source code is governed by a BSD-style license that can be
1.8 + * found in the LICENSE file.
1.9 + */
1.10 +
1.11 +#include <Foundation/Foundation.h>
1.12 +#include "SkOSFile.h"
1.13 +#include "SkString.h"
1.14 +
1.15 +struct SkFILE {
1.16 + NSData* fData;
1.17 + size_t fOffset;
1.18 + size_t fLength;
1.19 +};
1.20 +
1.21 +SkFILE* sk_fopen(const char cpath[], SkFILE_Flags flags) {
1.22 + if (flags & kWrite_SkFILE_Flag) {
1.23 + return NULL;
1.24 + }
1.25 +
1.26 + SkString cname, csuffix;
1.27 +
1.28 + const char* start = strrchr(cpath, '/');
1.29 + if (NULL == start) {
1.30 + start = cpath;
1.31 + } else {
1.32 + start += 1;
1.33 + }
1.34 + const char* stop = strrchr(cpath, '.');
1.35 + if (NULL == stop) {
1.36 + return NULL;
1.37 + } else {
1.38 + stop += 1;
1.39 + }
1.40 +
1.41 + cname.set(start, stop - start - 1);
1.42 + csuffix.set(stop);
1.43 +
1.44 + NSBundle* bundle = [NSBundle mainBundle];
1.45 + NSString* name = [NSString stringWithUTF8String:cname.c_str()];
1.46 + NSString* suffix = [NSString stringWithUTF8String:csuffix.c_str()];
1.47 + NSString* path = [bundle pathForResource:name ofType:suffix];
1.48 + NSData* data = [NSData dataWithContentsOfMappedFile:path];
1.49 +
1.50 + if (data) {
1.51 + [data retain];
1.52 + SkFILE* rec = new SkFILE;
1.53 + rec->fData = data;
1.54 + rec->fOffset = 0;
1.55 + rec->fLength = [data length];
1.56 + return reinterpret_cast<SkFILE*>(rec);
1.57 + }
1.58 + return NULL;
1.59 +}
1.60 +
1.61 +size_t sk_fgetsize(SkFILE* rec) {
1.62 + SkASSERT(rec);
1.63 + return rec->fLength;
1.64 +}
1.65 +
1.66 +bool sk_frewind(SkFILE* rec) {
1.67 + SkASSERT(rec);
1.68 + rec->fOffset = 0;
1.69 + return true;
1.70 +}
1.71 +
1.72 +size_t sk_fread(void* buffer, size_t byteCount, SkFILE* rec) {
1.73 + if (NULL == buffer) {
1.74 + return rec->fLength;
1.75 + } else {
1.76 + size_t remaining = rec->fLength - rec->fOffset;
1.77 + if (byteCount > remaining) {
1.78 + byteCount = remaining;
1.79 + }
1.80 + memcpy(buffer, (char*)[rec->fData bytes] + rec->fOffset, byteCount);
1.81 + rec->fOffset += byteCount;
1.82 + SkASSERT(rec->fOffset <= rec->fLength);
1.83 + return byteCount;
1.84 + }
1.85 +}
1.86 +
1.87 +size_t sk_fwrite(const void* buffer, size_t byteCount, SkFILE* f) {
1.88 + SkDEBUGFAIL("Not supported yet");
1.89 + return 0;
1.90 +}
1.91 +
1.92 +void sk_fflush(SkFILE* f) {
1.93 + SkDEBUGFAIL("Not supported yet");
1.94 +}
1.95 +
1.96 +void sk_fclose(SkFILE* rec) {
1.97 + SkASSERT(rec);
1.98 + [rec->fData release];
1.99 + delete rec;
1.100 +}
1.101 +
