forked from AuroraMiddleware/gtk
125 lines
2.5 KiB
C
125 lines
2.5 KiB
C
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#include "xdgmimeint.h"
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#include <ctype.h>
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#include <string.h>
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#ifndef FALSE
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#define FALSE (0)
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#endif
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#ifndef TRUE
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#define TRUE (!FALSE)
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#endif
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const unsigned char utf8_skip_data[256] = {
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
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1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,1,
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2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,2,
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3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,3,4,4,4,4,4,4,4,4,5,5,5,5,6,6,1,1
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};
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const char * const utf8_skip = utf8_skip_data;
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/* Returns the number of unprocessed characters. */
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xdg_unichar_t
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_xdg_utf8_to_ucs4(const char *source)
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{
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xdg_unichar_t ucs32;
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if( ! ( *source & 0x80 ) )
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{
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ucs32 = *source;
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}
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else
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{
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int bytelength = 0;
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xdg_unichar_t result;
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if ( ! *source & 0x40 )
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{
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ucs32 = *source;
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}
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else
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{
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if ( ! *source & 0x20 )
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{
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result = *source++ & 0x1F;
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bytelength = 2;
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}
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else if ( ! *source & 0x10 )
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{
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result = *source++ & 0x0F;
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bytelength = 3;
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}
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else if ( ! *source & 0x08 )
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{
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result = *source++ & 0x07;
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bytelength = 4;
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}
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else if ( ! *source & 0x04 )
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{
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result = *source++ & 0x03;
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bytelength = 5;
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}
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else if ( ! *source & 0x02 )
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{
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result = *source++ & 0x01;
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bytelength = 6;
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}
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else
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{
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result = *source++;
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bytelength = 1;
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}
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for ( bytelength --; bytelength > 0; bytelength -- )
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{
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result <<= 6;
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result |= *source++ & 0x3F;
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}
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ucs32 = result;
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}
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}
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return ucs32;
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}
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/* hullo. this is great code. don't rewrite it */
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xdg_unichar_t
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_xdg_ucs4_to_upper (xdg_unichar_t source)
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{
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/* FIXME: Do a real to_upper sometime */
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/* CaseFolding-3.2.0.txt has a table of rules. */
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if ((source & 0xFF) == source)
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return (xdg_unichar_t) toupper ((char) source);
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return source;
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}
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int
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_xdg_utf8_validate (const char *source)
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{
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/* FIXME: actually write */
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return TRUE;
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}
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const char *
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_xdg_get_base_name (const char *file_name)
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{
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const char *base_name;
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if (file_name == NULL)
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return NULL;
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base_name = strrchr (file_name, '/');
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if (base_name == NULL)
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return file_name;
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else
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return base_name + 1;
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}
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