mirror of https://github.com/axmolengine/axmol.git
90 lines
2.9 KiB
C++
90 lines
2.9 KiB
C++
//
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// ccUTF8.h
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// cocos2dx
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//
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// Created by James Chen on 2/27/13.
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//
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#ifndef __cocos2dx__ccUTF8__
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#define __cocos2dx__ccUTF8__
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#include "CCPlatformMacros.h"
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#include <vector>
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NS_CC_BEGIN
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CC_DLL int cc_wcslen(const unsigned short* str);
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CC_DLL void cc_utf8_trim_ws(std::vector<unsigned short>* str);
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/**
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* Whether the character is a whitespace character.
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*
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* @param ch the unicode character
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* @returns whether the character is a white space character.
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*
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* @see http://en.wikipedia.org/wiki/Whitespace_character#Unicode
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* */
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CC_DLL bool isspace_unicode(unsigned short ch);
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/**
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* Returns the length of the string in characters.
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*
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* @param p pointer to the start of a UTF-8 encoded string.
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* @param max the maximum number of bytes to examine. If \p max is less than
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* 0, then the string is assumed to be null-terminated. If \p max
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* is 0, \p p will not be examined and my be %NULL.
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*
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* @returns the length of the string in characters
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**/
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CC_DLL long
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cc_utf8_strlen (const char * p, int max);
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/**
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* Find the last character that is not equal to the character given.
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*
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* @param str the string to be searched.
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* @param c the character to be searched for.
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*
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* @returns the index of the last character that is not \p c.
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* */
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CC_DLL unsigned int cc_utf8_find_last_not_char(std::vector<unsigned short> str, unsigned short c);
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CC_DLL std::vector<unsigned short> cc_utf16_vec_from_utf16_str(const unsigned short* str);
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/**
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* Creates a utf8 string from a cstring.
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*
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* @param str_old pointer to the start of a C string.
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*
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* @returns the newly created utf8 string.
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* */
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CC_DLL unsigned short* cc_utf8_to_utf16(const char* str_old, int length = -1, int* rUtf16Size = NULL);
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/**
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* Convert a string from UTF-16 to UTF-8. The result will be null terminated.
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*
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* @param str a UTF-16 encoded string
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* @param len the maximum length of \p str to use. If \p len < 0, then the
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* string is null terminated.
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* @param items_read location to store number of words read, or %NULL.
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* If %NULL, then %G_CONVERT_ERROR_PARTIAL_INPUT will be
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* returned in case \p str contains a trailing partial
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* character. If an error occurs then the index of the
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* invalid input is stored here.
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* @param items_written location to store number of bytes written, or %NULL.
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* The value stored here does not include the trailing null.
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*
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* @returns a pointer to a newly allocated UTF-8 string. This value must be
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* freed with free(). If an error occurs, %NULL will be returned.
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**/
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CC_DLL char *
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cc_utf16_to_utf8 (const unsigned short *str,
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long len,
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long *items_read,
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long *items_written);
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NS_CC_END
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#endif /* defined(__cocos2dx__ccUTF8__) */
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