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path: root/src/xine-utils/xmllexer.c
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Diffstat (limited to 'src/xine-utils/xmllexer.c')
-rw-r--r--src/xine-utils/xmllexer.c139
1 files changed, 76 insertions, 63 deletions
diff --git a/src/xine-utils/xmllexer.c b/src/xine-utils/xmllexer.c
index 08c56e88e..696c18011 100644
--- a/src/xine-utils/xmllexer.c
+++ b/src/xine-utils/xmllexer.c
@@ -50,16 +50,11 @@
#define DATA 1 /* data lex mode */
/* private global variables */
-static const char * lexbuf;
-static int lexbuf_size = 0;
-static int lexbuf_pos = 0;
-static int lex_mode = NORMAL;
-static int in_comment = 0;
-static char *lex_malloc = NULL;
+struct lexer * static_lexer;
enum utf { UTF32BE, UTF32LE, UTF16BE, UTF16LE };
-static void lex_convert (const char * buf, int size, enum utf utf)
+static void lex_convert (struct lexer * lexer, const char * buf, int size, enum utf utf)
{
char *utf8 = malloc (size * (utf >= UTF16BE ? 3 : 6) + 1);
char *bp = utf8;
@@ -91,42 +86,60 @@ static void lex_convert (const char * buf, int size, enum utf utf)
}
}
*bp = 0;
- lexbuf_size = bp - utf8;
- lexbuf = lex_malloc = realloc (utf8, lexbuf_size + 1);
+ lexer->lexbuf_size = bp - utf8;
+ lexer->lexbuf = lexer->lex_malloc = realloc (utf8, lexer->lexbuf_size + 1);
}
+/* for ABI compatibility */
void lexer_init(const char * buf, int size) {
+ if (static_lexer) {
+ lexer_finalize_r(static_lexer);
+ }
+ static_lexer = lexer_init_r(buf, size);
+}
+
+struct lexer *lexer_init_r(const char * buf, int size) {
static const char boms[] = { 0xFF, 0xFE, 0, 0, 0xFE, 0xFF },
bom_utf8[] = { 0xEF, 0xBB, 0xBF };
+ struct lexer * lexer = calloc (1, sizeof (*lexer));
- free (lex_malloc);
- lex_malloc = NULL;
-
- lexbuf = buf;
- lexbuf_size = size;
+ lexer->lexbuf = buf;
+ lexer->lexbuf_size = size;
if (size >= 4 && !memcmp (buf, boms + 2, 4))
- lex_convert (buf + 4, size - 4, UTF32BE);
+ lex_convert (lexer, buf + 4, size - 4, UTF32BE);
else if (size >= 4 && !memcmp (buf, boms, 4))
- lex_convert (buf + 4, size - 4, UTF32LE);
+ lex_convert (lexer, buf + 4, size - 4, UTF32LE);
else if (size >= 3 && !memcmp (buf, bom_utf8, 3))
{
- lexbuf += 3;
- lexbuf_size -= 3;
+ lexer->lexbuf += 3;
+ lexer->lexbuf_size -= 3;
}
else if (size >= 2 && !memcmp (buf, boms + 4, 2))
- lex_convert (buf + 2, size - 2, UTF16BE);
+ lex_convert (lexer, buf + 2, size - 2, UTF16BE);
else if (size >= 2 && !memcmp (buf, boms, 2))
- lex_convert (buf + 2, size - 2, UTF16LE);
+ lex_convert (lexer, buf + 2, size - 2, UTF16LE);
- lexbuf_pos = 0;
- lex_mode = NORMAL;
- in_comment = 0;
+ lexer->lexbuf_pos = 0;
+ lexer->lex_mode = NORMAL;
+ lexer->in_comment = 0;
lprintf("buffer length %d\n", size);
+ return lexer;
}
+void lexer_finalize_r(struct lexer * lexer)
+{
+ free(lexer->lex_malloc);
+ free(lexer);
+}
+
+/* for ABI compatibility */
int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
+ return lexer_get_token_d_r(static_lexer, _tok, _tok_size, fixed);
+}
+
+int lexer_get_token_d_r(struct lexer * lexer, char ** _tok, int * _tok_size, int fixed) {
char *tok = *_tok;
int tok_size = *_tok_size;
@@ -135,11 +148,11 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
char c;
if (tok) {
- while ((tok_pos < tok_size) && (lexbuf_pos < lexbuf_size)) {
- c = lexbuf[lexbuf_pos];
- lprintf("c=%c, state=%d, in_comment=%d\n", c, state, in_comment);
+ while ((tok_pos < tok_size) && (lexer->lexbuf_pos < lexer->lexbuf_size)) {
+ c = lexer->lexbuf[lexer->lexbuf_pos];
+ lprintf("c=%c, state=%d, in_comment=%d\n", c, state, lexer->in_comment);
- if (lex_mode == NORMAL) {
+ if (lexer->lex_mode == NORMAL) {
/* normal mode */
switch (state) {
/* init state */
@@ -172,7 +185,7 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
break;
case '/':
- if (!in_comment)
+ if (!lexer->in_comment)
state = 5;
tok[tok_pos] = c;
tok_pos++;
@@ -210,14 +223,14 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
tok_pos++;
break;
}
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
break;
/* end of line */
case 1:
if (c == '\n' || (c == '\r')) {
tok[tok_pos] = c;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
tok_pos++;
} else {
tok[tok_pos] = '\0';
@@ -229,7 +242,7 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
case 2:
if (c == ' ' || (c == '\t')) {
tok[tok_pos] = c;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
tok_pos++;
} else {
tok[tok_pos] = '\0';
@@ -242,20 +255,20 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
switch (c) {
case '/':
tok[tok_pos] = c;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
tok_pos++; /* FIXME */
tok[tok_pos] = '\0';
return T_M_START_2;
break;
case '!':
tok[tok_pos] = c;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
tok_pos++;
state = 8;
break;
case '?':
tok[tok_pos] = c;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
tok_pos++; /* FIXME */
tok[tok_pos] = '\0';
return T_TI_START;
@@ -269,8 +282,8 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
/* T_M_STOP_1 */
case 4:
tok[tok_pos] = '\0';
- if (!in_comment)
- lex_mode = DATA;
+ if (!lexer->in_comment)
+ lexer->lex_mode = DATA;
return T_M_STOP_1;
break;
@@ -278,11 +291,11 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
case 5:
if (c == '>') {
tok[tok_pos] = c;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
tok_pos++; /* FIXME */
tok[tok_pos] = '\0';
- if (!in_comment)
- lex_mode = DATA;
+ if (!lexer->in_comment)
+ lexer->lex_mode = DATA;
return T_M_STOP_2;
} else {
tok[tok_pos] = '\0';
@@ -299,7 +312,7 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
/* T_STRING */
case 7:
tok[tok_pos] = c;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
if (c == '\"') { /* " */
tok[tok_pos] = '\0'; /* FIXME */
return T_STRING;
@@ -311,22 +324,22 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
case 8:
switch (c) {
case '-':
- lexbuf_pos++;
- if (lexbuf[lexbuf_pos] == '-')
+ lexer->lexbuf_pos++;
+ if (lexer->lexbuf[lexer->lexbuf_pos] == '-')
{
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
tok[tok_pos++] = '-'; /* FIXME */
tok[tok_pos++] = '-';
tok[tok_pos] = '\0';
- in_comment = 1;
+ lexer->in_comment = 1;
return T_C_START;
}
break;
case 'D':
- lexbuf_pos++;
- if (strncmp(lexbuf + lexbuf_pos, "OCTYPE", 6) == 0) {
+ lexer->lexbuf_pos++;
+ if (strncmp(lexer->lexbuf + lexer->lexbuf_pos, "OCTYPE", 6) == 0) {
strncpy(tok + tok_pos, "DOCTYPE", 7); /* FIXME */
- lexbuf_pos += 6;
+ lexer->lexbuf_pos += 6;
return T_DOCTYPE_START;
} else {
return T_ERROR;
@@ -342,7 +355,7 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
case 9:
if (c == '>') {
tok[tok_pos] = c;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
tok_pos++; /* FIXME */
tok[tok_pos] = '\0';
return T_TI_STOP;
@@ -358,13 +371,13 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
case '-':
tok[tok_pos] = c;
tok_pos++;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
state = 11;
break;
default:
tok[tok_pos] = c;
tok_pos++;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
state = 100;
}
break;
@@ -375,21 +388,21 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
case '>':
tok[tok_pos] = c;
tok_pos++;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
tok[tok_pos] = '\0'; /* FIX ME */
if (strlen(tok) != 3) {
tok[tok_pos - 3] = '\0';
- lexbuf_pos -= 3;
+ lexer->lexbuf_pos -= 3;
return T_IDENT;
} else {
- in_comment = 0;
+ lexer->in_comment = 0;
return T_C_STOP;
}
break;
default:
tok[tok_pos] = c;
tok_pos++;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
state = 100;
}
break;
@@ -397,7 +410,7 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
/* T_STRING (single quotes) */
case 12:
tok[tok_pos] = c;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
if (c == '\'') { /* " */
tok[tok_pos] = '\0'; /* FIXME */
return T_STRING;
@@ -424,19 +437,19 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
case '?':
tok[tok_pos] = c;
tok_pos++;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
state = 9;
break;
case '-':
tok[tok_pos] = c;
tok_pos++;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
state = 10;
break;
default:
tok[tok_pos] = c;
tok_pos++;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
}
break;
default:
@@ -449,17 +462,17 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
{
case '<':
tok[tok_pos] = '\0';
- lex_mode = NORMAL;
+ lexer->lex_mode = NORMAL;
return T_DATA;
default:
tok[tok_pos] = c;
tok_pos++;
- lexbuf_pos++;
+ lexer->lexbuf_pos++;
}
}
}
lprintf ("loop done tok_pos = %d, tok_size=%d, lexbuf_pos=%d, lexbuf_size=%d\n",
- tok_pos, tok_size, lexbuf_pos, lexbuf_size);
+ tok_pos, tok_size, lexer->lexbuf_pos, lexer->lexbuf_size);
/* pb */
if (tok_pos >= tok_size) {
@@ -470,12 +483,12 @@ int lexer_get_token_d(char ** _tok, int * _tok_size, int fixed) {
lprintf("token buffer is too small\n");
lprintf("increasing buffer size to %d bytes\n", *_tok_size);
if (*_tok) {
- return lexer_get_token_d (_tok, _tok_size, 0);
+ return lexer_get_token_d_r (lexer, _tok, _tok_size, 0);
} else {
return T_ERROR;
}
} else {
- if (lexbuf_pos >= lexbuf_size) {
+ if (lexer->lexbuf_pos >= lexer->lexbuf_size) {
/* Terminate the current token */
tok[tok_pos] = '\0';
switch (state) {
generated by cgit v1.2.3 (git 2.25.1) at 2025-04-30 04:23:39 +0000