diff options
Diffstat (limited to 'include/media')
-rw-r--r-- | include/media/CharacterEncodingDetector.h | 63 | ||||
-rw-r--r-- | include/media/StringArray.h | 83 | ||||
-rw-r--r-- | include/media/mediascanner.h | 1 |
3 files changed, 146 insertions, 1 deletions
diff --git a/include/media/CharacterEncodingDetector.h b/include/media/CharacterEncodingDetector.h new file mode 100644 index 0000000..deaa377 --- /dev/null +++ b/include/media/CharacterEncodingDetector.h @@ -0,0 +1,63 @@ +/* + * Copyright (C) 2013 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +#ifndef _CHARACTER_ENCODING_DETECTOR_H +#define _CHARACTER_ENCODING_DETECTOR_H + +#include <media/mediascanner.h> + +#include "StringArray.h" + +#include "unicode/ucnv.h" +#include "unicode/ucsdet.h" +#include "unicode/ustring.h" + +namespace android { + +class CharacterEncodingDetector { + + public: + CharacterEncodingDetector(); + ~CharacterEncodingDetector(); + + void addTag(const char *name, const char *value); + size_t size(); + + void detectAndConvert(); + status_t getTag(int index, const char **name, const char**value); + + private: + const UCharsetMatch *getPreferred( + const char *input, size_t len, + const UCharsetMatch** ucma, size_t matches, + bool *goodmatch, int *highestmatch); + + bool isFrequent(const uint16_t *values, uint32_t c); + + // cached name and value strings, for native encoding support. + // TODO: replace these with byte blob arrays that don't require the data to be + // singlenullbyte-terminated + StringArray mNames; + StringArray mValues; + + UConverter* mUtf8Conv; +}; + + + +}; // namespace android + +#endif diff --git a/include/media/StringArray.h b/include/media/StringArray.h new file mode 100644 index 0000000..ae47085 --- /dev/null +++ b/include/media/StringArray.h @@ -0,0 +1,83 @@ +/* + * Copyright (C) 2009 The Android Open Source Project + * + * Licensed under the Apache License, Version 2.0 (the "License"); + * you may not use this file except in compliance with the License. + * You may obtain a copy of the License at + * + * http://www.apache.org/licenses/LICENSE-2.0 + * + * Unless required by applicable law or agreed to in writing, software + * distributed under the License is distributed on an "AS IS" BASIS, + * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + * See the License for the specific language governing permissions and + * limitations under the License. + */ + +// +// Sortable array of strings. STL-ish, but STL-free. +// +#ifndef _LIBS_MEDIA_STRING_ARRAY_H +#define _LIBS_MEDIA_STRING_ARRAY_H + +#include <stdlib.h> +#include <string.h> + +namespace android { + +// +// An expanding array of strings. Add, get, sort, delete. +// +class StringArray { +public: + StringArray(); + virtual ~StringArray(); + + // + // Add a string. A copy of the string is made. + // + bool push_back(const char* str); + + // + // Delete an entry. + // + void erase(int idx); + + // + // Sort the array. + // + void sort(int (*compare)(const void*, const void*)); + + // + // Pass this to the sort routine to do an ascending alphabetical sort. + // + static int cmpAscendingAlpha(const void* pstr1, const void* pstr2); + + // + // Get the #of items in the array. + // + inline int size(void) const { return mCurrent; } + + // + // Return entry N. + // [should use operator[] here] + // + const char* getEntry(int idx) const { + return (unsigned(idx) >= unsigned(mCurrent)) ? NULL : mArray[idx]; + } + + // + // Set entry N to specified string. + // [should use operator[] here] + // + void setEntry(int idx, const char* str); + +private: + int mMax; + int mCurrent; + char** mArray; +}; + +}; // namespace android + +#endif // _LIBS_MEDIA_STRING_ARRAY_H diff --git a/include/media/mediascanner.h b/include/media/mediascanner.h index 5213bdc..d555279 100644 --- a/include/media/mediascanner.h +++ b/include/media/mediascanner.h @@ -122,7 +122,6 @@ public: protected: // default encoding from MediaScanner::mLocale String8 mLocale; - CharacterEncodingDetector *mEncodingDetector; }; }; // namespace android |