diff options
Diffstat (limited to 'libX11/src/xlibi18n/lcCharSet.c')
| -rw-r--r-- | libX11/src/xlibi18n/lcCharSet.c | 228 |
1 files changed, 228 insertions, 0 deletions
diff --git a/libX11/src/xlibi18n/lcCharSet.c b/libX11/src/xlibi18n/lcCharSet.c new file mode 100644 index 000000000..006a0be23 --- /dev/null +++ b/libX11/src/xlibi18n/lcCharSet.c @@ -0,0 +1,228 @@ +/* $Xorg: lcCharSet.c,v 1.3 2000/08/17 19:45:16 cpqbld Exp $ */ +/* + * Copyright 1992, 1993 by TOSHIBA Corp. + * + * Permission to use, copy, modify, and distribute this software and its + * documentation for any purpose and without fee is hereby granted, provided + * that the above copyright notice appear in all copies and that both that + * copyright notice and this permission notice appear in supporting + * documentation, and that the name of TOSHIBA not be used in advertising + * or publicity pertaining to distribution of the software without specific, + * written prior permission. TOSHIBA make no representations about the + * suitability of this software for any purpose. It is provided "as is" + * without express or implied warranty. + * + * TOSHIBA DISCLAIM ALL WARRANTIES WITH REGARD TO THIS SOFTWARE, INCLUDING + * ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO EVENT SHALL + * TOSHIBA BE LIABLE FOR ANY SPECIAL, INDIRECT OR CONSEQUENTIAL DAMAGES OR + * ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, + * WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, + * ARISING OUT OF OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS + * SOFTWARE. + * + * Author: Katsuhisa Yano TOSHIBA Corp. + * mopi@osa.ilab.toshiba.co.jp + */ +/* $XFree86: xc/lib/X11/lcCharSet.c,v 3.8 2001/01/17 19:41:53 dawes Exp $ */ + +#ifdef HAVE_CONFIG_H +#include <config.h> +#endif +#include <stdio.h> +#include "Xlibint.h" +#include "XlcPublic.h" +#include "XlcPubI.h" + +/* The list of all known XlcCharSets. They are identified by their name. */ + +typedef struct _XlcCharSetListRec { + XlcCharSet charset; + struct _XlcCharSetListRec *next; +} XlcCharSetListRec, *XlcCharSetList; + +static XlcCharSetList charset_list = NULL; + +/* Returns the charset with the given name (including side suffix). + Returns NULL if not found. */ +XlcCharSet +_XlcGetCharSet( + const char *name) +{ + XlcCharSetList list; + XrmQuark xrm_name; + + xrm_name = XrmStringToQuark(name); + + for (list = charset_list; list; list = list->next) { + if (xrm_name == list->charset->xrm_name) + return (XlcCharSet) list->charset; + } + + return (XlcCharSet) NULL; +} + +/* Returns the charset with the given encoding (no side suffix) and + responsible for at least the given side (XlcGL or XlcGR). + Returns NULL if not found. */ +XlcCharSet +_XlcGetCharSetWithSide( + const char *encoding_name, + XlcSide side) +{ + XlcCharSetList list; + XrmQuark xrm_encoding_name; + + xrm_encoding_name = XrmStringToQuark(encoding_name); + + for (list = charset_list; list; list = list->next) { + if (list->charset->xrm_encoding_name == xrm_encoding_name + && (list->charset->side == XlcGLGR || list->charset->side == side)) + return (XlcCharSet) list->charset; + } + + return (XlcCharSet) NULL; +} + +/* Registers an XlcCharSet in the list of character sets. + Returns True if successful. */ +Bool +_XlcAddCharSet( + XlcCharSet charset) +{ + XlcCharSetList list; + + if (_XlcGetCharSet(charset->name)) + return False; + + list = (XlcCharSetList) Xmalloc(sizeof(XlcCharSetListRec)); + if (list == NULL) + return False; + + list->charset = charset; + list->next = charset_list; + charset_list = list; + + return True; +} + +/* List of resources for XlcCharSet. */ +static XlcResource resources[] = { + { XlcNName, NULLQUARK, sizeof(char *), + XOffsetOf(XlcCharSetRec, name), XlcGetMask }, + { XlcNEncodingName, NULLQUARK, sizeof(char *), + XOffsetOf(XlcCharSetRec, encoding_name), XlcGetMask }, + { XlcNSide, NULLQUARK, sizeof(XlcSide), + XOffsetOf(XlcCharSetRec, side), XlcGetMask }, + { XlcNCharSize, NULLQUARK, sizeof(int), + XOffsetOf(XlcCharSetRec, char_size), XlcGetMask }, + { XlcNSetSize, NULLQUARK, sizeof(int), + XOffsetOf(XlcCharSetRec, set_size), XlcGetMask }, + { XlcNControlSequence, NULLQUARK, sizeof(char *), + XOffsetOf(XlcCharSetRec, ct_sequence), XlcGetMask } +}; + +/* Retrieves a number of attributes of an XlcCharSet. + Return NULL if successful, otherwise the name of the first argument + specifiying a nonexistent attribute. */ +static char * +get_values( + XlcCharSet charset, + XlcArgList args, + int num_args) +{ + if (resources[0].xrm_name == NULLQUARK) + _XlcCompileResourceList(resources, XlcNumber(resources)); + + return _XlcGetValues((XPointer) charset, resources, XlcNumber(resources), + args, num_args, XlcGetMask); +} + +/* Retrieves a number of attributes of an XlcCharSet. + Return NULL if successful, otherwise the name of the first argument + specifiying a nonexistent attribute. */ +char * +_XlcGetCSValues(XlcCharSet charset, ...) +{ + va_list var; + XlcArgList args; + char *ret; + int num_args; + + va_start(var, charset); + _XlcCountVaList(var, &num_args); + va_end(var); + + va_start(var, charset); + _XlcVaToArgList(var, num_args, &args); + va_end(var); + + if (args == (XlcArgList) NULL) + return (char *) NULL; + + ret = get_values(charset, args, num_args); + + Xfree(args); + + return ret; +} + +/* Creates a new XlcCharSet, given its name (including side suffix) and + Compound Text ESC sequence (normally at most 4 bytes). */ +XlcCharSet +_XlcCreateDefaultCharSet( + const char *name, + const char *ct_sequence) +{ + XlcCharSet charset; + int name_len, ct_sequence_len; + const char *colon; + char *tmp; + + charset = (XlcCharSet) Xmalloc(sizeof(XlcCharSetRec)); + if (charset == NULL) + return (XlcCharSet) NULL; + bzero((char *) charset, sizeof(XlcCharSetRec)); + + name_len = strlen(name); + ct_sequence_len = strlen(ct_sequence); + + /* Fill in name and xrm_name. */ + tmp = (char *) Xmalloc(name_len + 1 + ct_sequence_len + 1); + if (tmp == NULL) { + Xfree((char *) charset); + return (XlcCharSet) NULL; + } + memcpy(tmp, name, name_len+1); + charset->name = tmp; + charset->xrm_name = XrmStringToQuark(charset->name); + + /* Fill in encoding_name and xrm_encoding_name. */ + if ((colon = strchr(charset->name, ':')) != NULL) { + unsigned int length = colon - charset->name; + char *encoding_tmp = (char *) Xmalloc(length + 1); + if (encoding_tmp == NULL) { + Xfree((char *) charset->name); + Xfree((char *) charset); + return (XlcCharSet) NULL; + } + memcpy(encoding_tmp, charset->name, length); + encoding_tmp[length] = '\0'; + charset->encoding_name = encoding_tmp; + charset->xrm_encoding_name = XrmStringToQuark(charset->encoding_name); + } else { + charset->encoding_name = charset->name; + charset->xrm_encoding_name = charset->xrm_name; + } + + /* Fill in ct_sequence. */ + tmp += name_len + 1; + memcpy(tmp, ct_sequence, ct_sequence_len+1); + charset->ct_sequence = tmp; + + /* Fill in side, char_size, set_size. */ + if (!_XlcParseCharSet(charset)) + /* If ct_sequence is not usable in Compound Text, remove it. */ + charset->ct_sequence = ""; + + return (XlcCharSet) charset; +} |