1 /*
2 **********************************************************************
3 * Copyright (C) 1997-2011, International Business Machines
4 * Corporation and others. All Rights Reserved.
5 **********************************************************************
6 *
7 * File USCRIPT.C
8 *
9 * Modification History:
10 *
11 * Date Name Description
12 * 07/06/2001 Ram Creation.
13 ******************************************************************************
14 */
15
16 #include "unicode/uscript.h"
17 #include "unicode/ures.h"
18 #include "unicode/uchar.h"
19 #include "unicode/putil.h"
20 #include "uprops.h"
21 #include "cmemory.h"
22 #include "cstring.h"
23
24 static const char kLocaleScript[] = "LocaleScript";
25
26 /* TODO: this is a bad API should be deprecated */
27 U_CAPI int32_t U_EXPORT2
uscript_getCode(const char * nameOrAbbrOrLocale,UScriptCode * fillIn,int32_t capacity,UErrorCode * err)28 uscript_getCode(const char* nameOrAbbrOrLocale,
29 UScriptCode* fillIn,
30 int32_t capacity,
31 UErrorCode* err){
32
33 UScriptCode code = USCRIPT_INVALID_CODE;
34 int32_t numFilled=0;
35 int32_t len=0;
36 /* check arguments */
37 if(err==NULL ||U_FAILURE(*err)){
38 return numFilled;
39 }
40 if(nameOrAbbrOrLocale==NULL || fillIn == NULL || capacity<0){
41 *err = U_ILLEGAL_ARGUMENT_ERROR;
42 return numFilled;
43 }
44
45 if(uprv_strchr(nameOrAbbrOrLocale, '-')==NULL && uprv_strchr(nameOrAbbrOrLocale, '_')==NULL ){
46 /* try long and abbreviated script names first */
47 code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, nameOrAbbrOrLocale);
48
49 }
50 if(code==(UScriptCode)UCHAR_INVALID_CODE){
51 /* Do not propagate error codes from just not finding a locale bundle. */
52 UErrorCode localErrorCode = U_ZERO_ERROR;
53 UResourceBundle* resB = ures_open(NULL,nameOrAbbrOrLocale,&localErrorCode);
54 if(U_SUCCESS(localErrorCode)&& localErrorCode != U_USING_DEFAULT_WARNING){
55 UResourceBundle* resD = ures_getByKey(resB,kLocaleScript,NULL,&localErrorCode);
56 if(U_SUCCESS(localErrorCode) ){
57 len =0;
58 while(ures_hasNext(resD)){
59 const UChar* name = ures_getNextString(resD,&len,NULL,&localErrorCode);
60 if(U_SUCCESS(localErrorCode)){
61 char cName[50] = {'\0'};
62 u_UCharsToChars(name,cName,len);
63 code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, cName);
64 /* got the script code now fill in the buffer */
65 if(numFilled<capacity){
66 *(fillIn)++=code;
67 numFilled++;
68 }else{
69 ures_close(resD);
70 ures_close(resB);
71 *err=U_BUFFER_OVERFLOW_ERROR;
72 return len;
73 }
74 }
75 }
76 }
77 ures_close(resD);
78 }
79 ures_close(resB);
80 code = USCRIPT_INVALID_CODE;
81 }
82 if(code==(UScriptCode)UCHAR_INVALID_CODE){
83 /* still not found .. try long and abbreviated script names again */
84 code = (UScriptCode) u_getPropertyValueEnum(UCHAR_SCRIPT, nameOrAbbrOrLocale);
85 }
86 if(code!=(UScriptCode)UCHAR_INVALID_CODE){
87 /* we found it */
88 if(numFilled<capacity){
89 *(fillIn)++=code;
90 numFilled++;
91 }else{
92 *err=U_BUFFER_OVERFLOW_ERROR;
93 return len;
94 }
95 }
96 return numFilled;
97 }
98