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Diffstat (limited to 'src/xutf8/case.c')
| -rw-r--r-- | src/xutf8/case.c | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/src/xutf8/case.c b/src/xutf8/case.c new file mode 100644 index 000000000..50f253940 --- /dev/null +++ b/src/xutf8/case.c @@ -0,0 +1,143 @@ +/****************************************************************************** + Copyright 2001 by O'ksi'D + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * + * Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * Neither the name of O'ksi'D nor the names of its contributors + * may be used to endorse or promote products derived from this software + * without specific prior written permission. + * + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS + * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT + * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR + * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER + * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, + * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, + * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR + * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF + * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING + * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS + * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + * + + + Author: Jean-Marc Lienher ( http://oksid.ch ) + +******************************************************************************/ + +/* + * This file is required on all platforms for utf8 support + */ + +#include "headers/case.h" +#include <stdlib.h> + + +int +XUtf8Tolower( + int ucs) +{ + int ret; + + if (ucs <= 0x02B6) { + if (ucs >= 0x0041) { + ret = ucs_table_0041[ucs - 0x0041]; + if (ret > 0) return ret; + } + return ucs; + } + + if (ucs <= 0x0556) { + if (ucs >= 0x0386) { + ret = ucs_table_0386[ucs - 0x0386]; + if (ret > 0) return ret; + } + return ucs; + } + + if (ucs <= 0x10C5) { + if (ucs >= 0x10A0) { + ret = ucs_table_10A0[ucs - 0x10A0]; + if (ret > 0) return ret; + } + return ucs; + } + + if (ucs <= 0x1FFC) { + if (ucs >= 0x1E00) { + ret = ucs_table_1E00[ucs - 0x1E00]; + if (ret > 0) return ret; + } + return ucs; + } + + if (ucs <= 0x2133) { + if (ucs >= 0x2102) { + ret = ucs_table_2102[ucs - 0x2102]; + if (ret > 0) return ret; + } + return ucs; + } + + if (ucs <= 0x24CF) { + if (ucs >= 0x24B6) { + ret = ucs_table_24B6[ucs - 0x24B6]; + if (ret > 0) return ret; + } + return ucs; + } + + if (ucs <= 0x33CE) { + if (ucs >= 0x33CE) { + ret = ucs_table_33CE[ucs - 0x33CE]; + if (ret > 0) return ret; + } + return ucs; + } + + if (ucs <= 0xFF3A) { + if (ucs >= 0xFF21) { + ret = ucs_table_FF21[ucs - 0xFF21]; + if (ret > 0) return ret; + } + return ucs; + } + + return ucs; +} + +int +XUtf8Toupper( + int ucs) +{ + int i; + static unsigned short *table = NULL; + + if (!table) { + table = (unsigned short*) malloc( + sizeof(unsigned short) * 0x10000); + for (i = 0; i < 0x10000; i++) { + table[i] = (unsigned short) i; + } + for (i = 0; i < 0x10000; i++) { + int l; + l = XUtf8Tolower(i); + if (l != i) table[l] = (unsigned short) i; + } + + } + if (ucs >= 0x10000 || ucs < 0) return ucs; + return table[ucs]; +} + |