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-rw-r--r--regerror.c291
1 files changed, 291 insertions, 0 deletions
diff --git a/regerror.c b/regerror.c
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index 0000000000..5a6c31b82e
--- /dev/null
+++ b/regerror.c
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+/**********************************************************************
+
+ regerror.c - Oniguruma (regular expression library)
+
+ Copyright (C) 2002-2004 K.Kosako (kosako@sofnec.co.jp)
+
+**********************************************************************/
+#include "regint.h"
+#include <stdio.h> /* for vsnprintf() */
+
+#ifdef HAVE_STDARG_PROTOTYPES
+#include <stdarg.h>
+#define va_init_list(a,b) va_start(a,b)
+#else
+#include <varargs.h>
+#define va_init_list(a,b) va_start(a)
+#endif
+
+extern char*
+onig_error_code_to_format(int code)
+{
+ char *p;
+
+ if (code >= 0) return (char* )0;
+
+ switch (code) {
+ case ONIG_MISMATCH:
+ p = "mismatch"; break;
+ case ONIG_NO_SUPPORT_CONFIG:
+ p = "no support in this configuration"; break;
+ case ONIGERR_MEMORY:
+ p = "fail to memory allocation"; break;
+ case ONIGERR_MATCH_STACK_LIMIT_OVER:
+ p = "match-stack limit over"; break;
+ case ONIGERR_TYPE_BUG:
+ p = "undefined type (bug)"; break;
+ case ONIGERR_PARSER_BUG:
+ p = "internal parser error (bug)"; break;
+ case ONIGERR_STACK_BUG:
+ p = "stack error (bug)"; break;
+ case ONIGERR_UNDEFINED_BYTECODE:
+ p = "undefined bytecode (bug)"; break;
+ case ONIGERR_UNEXPECTED_BYTECODE:
+ p = "unexpected bytecode (bug)"; break;
+ case ONIGERR_DEFAULT_ENCODING_IS_NOT_SETTED:
+ p = "default multibyte-encoding is not setted"; break;
+ case ONIGERR_SPECIFIED_ENCODING_CANT_CONVERT_TO_WIDE_CHAR:
+ p = "can't convert to wide-char on specified multibyte-encoding"; break;
+ case ONIGERR_INVALID_ARGUMENT:
+ p = "invalid argument"; break;
+ case ONIGERR_END_PATTERN_AT_LEFT_BRACE:
+ p = "end pattern at left brace"; break;
+ case ONIGERR_END_PATTERN_AT_LEFT_BRACKET:
+ p = "end pattern at left bracket"; break;
+ case ONIGERR_EMPTY_CHAR_CLASS:
+ p = "empty char-class"; break;
+ case ONIGERR_PREMATURE_END_OF_CHAR_CLASS:
+ p = "premature end of char-class"; break;
+ case ONIGERR_END_PATTERN_AT_BACKSLASH:
+ p = "end pattern at backslash"; break;
+ case ONIGERR_END_PATTERN_AT_META:
+ p = "end pattern at meta"; break;
+ case ONIGERR_END_PATTERN_AT_CONTROL:
+ p = "end pattern at control"; break;
+ case ONIGERR_META_CODE_SYNTAX:
+ p = "illegal meta-code syntax"; break;
+ case ONIGERR_CONTROL_CODE_SYNTAX:
+ p = "illegal control-code syntax"; break;
+ case ONIGERR_CHAR_CLASS_VALUE_AT_END_OF_RANGE:
+ p = "char-class value at end of range"; break;
+ case ONIGERR_CHAR_CLASS_VALUE_AT_START_OF_RANGE:
+ p = "char-class value at start of range"; break;
+ case ONIGERR_UNMATCHED_RANGE_SPECIFIER_IN_CHAR_CLASS:
+ p = "unmatched range specifier in char-class"; break;
+ case ONIGERR_TARGET_OF_REPEAT_OPERATOR_NOT_SPECIFIED:
+ p = "target of repeat operator is not specified"; break;
+ case ONIGERR_TARGET_OF_REPEAT_OPERATOR_INVALID:
+ p = "target of repeat operator is invalid"; break;
+ case ONIGERR_NESTED_REPEAT_OPERATOR:
+ p = "nested repeat operator"; break;
+ case ONIGERR_UNMATCHED_CLOSE_PARENTHESIS:
+ p = "unmatched close parenthesis"; break;
+ case ONIGERR_END_PATTERN_WITH_UNMATCHED_PARENTHESIS:
+ p = "end pattern with unmatched parenthesis"; break;
+ case ONIGERR_END_PATTERN_IN_GROUP:
+ p = "end pattern in group"; break;
+ case ONIGERR_UNDEFINED_GROUP_OPTION:
+ p = "undefined group option"; break;
+ case ONIGERR_INVALID_POSIX_BRACKET_TYPE:
+ p = "invalid POSIX bracket type"; break;
+ case ONIGERR_INVALID_LOOK_BEHIND_PATTERN:
+ p = "invalid pattern in look-behind"; break;
+ case ONIGERR_INVALID_REPEAT_RANGE_PATTERN:
+ p = "invalid repeat range {lower,upper}"; break;
+ case ONIGERR_TOO_BIG_NUMBER:
+ p = "too big number"; break;
+ case ONIGERR_TOO_BIG_NUMBER_FOR_REPEAT_RANGE:
+ p = "too big number for repeat range"; break;
+ case ONIGERR_UPPER_SMALLER_THAN_LOWER_IN_REPEAT_RANGE:
+ p = "upper is smaller than lower in repeat range"; break;
+ case ONIGERR_EMPTY_RANGE_IN_CHAR_CLASS:
+ p = "empty range in char class"; break;
+ case ONIGERR_MISMATCH_CODE_LENGTH_IN_CLASS_RANGE:
+ p = "mismatch multibyte code length in char-class range"; break;
+ case ONIGERR_TOO_MANY_MULTI_BYTE_RANGES:
+ p = "too many multibyte code ranges are specified"; break;
+ case ONIGERR_TOO_SHORT_MULTI_BYTE_STRING:
+ p = "too short multibyte code string"; break;
+ case ONIGERR_TOO_BIG_BACKREF_NUMBER:
+ p = "too big backref number"; break;
+ case ONIGERR_INVALID_BACKREF:
+#ifdef USE_NAMED_GROUP
+ p = "invalid backref number/name"; break;
+#else
+ p = "invalid backref number"; break;
+#endif
+ case ONIGERR_NUMBERED_BACKREF_OR_CALL_NOT_ALLOWED:
+ p = "numbered backref/call is not allowed. (use name)"; break;
+ case ONIGERR_TOO_BIG_WIDE_CHAR_VALUE:
+ p = "too big wide-char value"; break;
+ case ONIGERR_TOO_LONG_WIDE_CHAR_VALUE:
+ p = "too long wide-char value"; break;
+ case ONIGERR_INVALID_WIDE_CHAR_VALUE:
+ p = "invalid wide-char value"; break;
+ case ONIGERR_EMPTY_GROUP_NAME:
+ p = "group name is empty"; break;
+ case ONIGERR_INVALID_GROUP_NAME:
+ p = "invalid group name <%n>"; break;
+ case ONIGERR_INVALID_CHAR_IN_GROUP_NAME:
+#ifdef USE_NAMED_GROUP
+ p = "invalid char in group name <%n>"; break;
+#else
+ p = "invalid char in group number <%n>"; break;
+#endif
+ case ONIGERR_UNDEFINED_NAME_REFERENCE:
+ p = "undefined name <%n> reference"; break;
+ case ONIGERR_UNDEFINED_GROUP_REFERENCE:
+ p = "undefined group <%n> reference"; break;
+ case ONIGERR_MULTIPLEX_DEFINED_NAME:
+ p = "multiplex defined name <%n>"; break;
+ case ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL:
+ p = "multiplex definition name <%n> call"; break;
+ case ONIGERR_NEVER_ENDING_RECURSION:
+ p = "never ending recursion"; break;
+ case ONIGERR_GROUP_NUMBER_OVER_FOR_CAPTURE_HISTORY:
+ p = "group number is too big for capture history"; break;
+ case ONIGERR_INVALID_CHAR_PROPERTY_NAME:
+ p = "invalid character property name"; break;
+ case ONIGERR_OVER_THREAD_PASS_LIMIT_COUNT:
+ p = "over thread pass limit count"; break;
+
+ default:
+ p = "undefined error code"; break;
+ }
+
+ return p;
+}
+
+
+/* for ONIG_MAX_ERROR_MESSAGE_LEN */
+#define MAX_ERROR_PAR_LEN 30
+
+extern int
+#ifdef HAVE_STDARG_PROTOTYPES
+onig_error_code_to_str(UChar* s, int code, ...)
+#else
+onig_error_code_to_str(s, code, va_alist)
+ UChar* s;
+ int code;
+ va_dcl
+#endif
+{
+ UChar *p, *q;
+ OnigErrorInfo* einfo;
+ int len;
+ va_list vargs;
+
+ va_init_list(vargs, code);
+
+ switch (code) {
+ case ONIGERR_UNDEFINED_NAME_REFERENCE:
+ case ONIGERR_UNDEFINED_GROUP_REFERENCE:
+ case ONIGERR_MULTIPLEX_DEFINED_NAME:
+ case ONIGERR_MULTIPLEX_DEFINITION_NAME_CALL:
+ case ONIGERR_INVALID_GROUP_NAME:
+ case ONIGERR_INVALID_CHAR_IN_GROUP_NAME:
+ einfo = va_arg(vargs, OnigErrorInfo*);
+ len = einfo->par_end - einfo->par;
+ q = onig_error_code_to_format(code);
+ p = s;
+ while (*q != '\0') {
+ if (*q == '%') {
+ q++;
+ if (*q == 'n') { /* '%n': name */
+ if (len > MAX_ERROR_PAR_LEN) {
+ xmemcpy(p, einfo->par, MAX_ERROR_PAR_LEN - 3);
+ p += (MAX_ERROR_PAR_LEN - 3);
+ xmemcpy(p, "...", 3);
+ p += 3;
+ }
+ else {
+ xmemcpy(p, einfo->par, len);
+ p += len;
+ }
+ q++;
+ }
+ else
+ goto normal_char;
+ }
+ else {
+ normal_char:
+ *p++ = *q++;
+ }
+ }
+ *p = '\0';
+ len = p - s;
+ break;
+
+ default:
+ q = onig_error_code_to_format(code);
+ len = strlen(q);
+ xmemcpy(s, q, len);
+ s[len] = '\0';
+ break;
+ }
+
+ va_end(vargs);
+ return len;
+}
+
+
+void
+#ifdef HAVE_STDARG_PROTOTYPES
+onig_snprintf_with_pattern(char buf[], int bufsize, OnigEncoding enc,
+ char* pat, char* pat_end, char *fmt, ...)
+#else
+onig_snprintf_with_pattern(buf, bufsize, enc, pat, pat_end, fmt, va_alist)
+ char buf[];
+ int bufsize;
+ OnigEncoding enc;
+ char* pat;
+ char* pat_end;
+ const char *fmt;
+ va_dcl
+#endif
+{
+ int n, need, len;
+ UChar *p, *s;
+ va_list args;
+
+ va_init_list(args, fmt);
+ n = vsnprintf(buf, bufsize, fmt, args);
+ va_end(args);
+
+ need = (pat_end - pat) * 4 + 4;
+
+ if (n + need < bufsize) {
+ strcat(buf, ": /");
+ s = buf + strlen(buf);
+
+ p = pat;
+ while (p < (UChar* )pat_end) {
+ if (*p == MC_ESC) {
+ *s++ = *p++;
+ len = enc_len(enc, *p);
+ while (len-- > 0) *s++ = *p++;
+ }
+ else if (*p == '/') {
+ *s++ = MC_ESC;
+ *s++ = *p++;
+ }
+ else if (ONIGENC_IS_MBC_HEAD(enc, *p)) {
+ len = enc_len(enc, *p);
+ while (len-- > 0) *s++ = *p++;
+ }
+ else if (!ONIGENC_IS_CODE_PRINT(enc, *p) &&
+ !ONIGENC_IS_CODE_SPACE(enc, *p)) {
+ char b[5];
+ sprintf(b, "\\%03o", *p & 0377);
+ len = strlen(b);
+ while (len-- > 0) *s++ = *p++;
+ }
+ else {
+ *s++ = *p++;
+ }
+ }
+
+ *s++ = '/';
+ *s = '\0';
+ }
+}
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