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-rw-r--r--src/core/ngx_core.h3
-rw-r--r--src/core/ngx_regex.c125
-rw-r--r--src/core/ngx_regex.h28
3 files changed, 115 insertions, 41 deletions
diff --git a/src/core/ngx_core.h b/src/core/ngx_core.h
index 58d0b8030..0994aa5cd 100644
--- a/src/core/ngx_core.h
+++ b/src/core/ngx_core.h
@@ -83,7 +83,8 @@ typedef void (*ngx_connection_handler_pt)(ngx_connection_t *c);
#define CRLF "\x0d\x0a"
-#define ngx_abs(value) (((value) >= 0) ? (value) : - (value))
+#define ngx_abs(value) (((value) >= 0) ? (value) : - (value))
+#define ngx_max(val1, val2) ((val1 < val2) ? (val2) : (val1))
void ngx_cpuinfo(void);
diff --git a/src/core/ngx_regex.c b/src/core/ngx_regex.c
index c5a495209..18e3c26c5 100644
--- a/src/core/ngx_regex.c
+++ b/src/core/ngx_regex.c
@@ -23,25 +23,16 @@ ngx_regex_init(void)
}
-ngx_regex_t *
-ngx_regex_compile(ngx_str_t *pattern, ngx_int_t options, ngx_pool_t *pool,
- ngx_str_t *err)
+static ngx_inline void
+ngx_regex_malloc_init(ngx_pool_t *pool)
{
- int erroff;
- const char *errstr;
- ngx_regex_t *re;
#if (NGX_THREADS)
ngx_core_tls_t *tls;
-#if (NGX_SUPPRESS_WARN)
- tls = NULL;
-#endif
-
if (ngx_threaded) {
tls = ngx_thread_get_tls(ngx_core_tls_key);
tls->pool = pool;
- } else {
- ngx_pcre_pool = pool;
+ return;
}
#else
@@ -49,35 +40,103 @@ ngx_regex_compile(ngx_str_t *pattern, ngx_int_t options, ngx_pool_t *pool,
ngx_pcre_pool = pool;
#endif
+}
+
+
+static ngx_inline void
+ngx_regex_malloc_done(void)
+{
+#if (NGX_THREADS)
+ ngx_core_tls_t *tls;
+
+ if (ngx_threaded) {
+ tls = ngx_thread_get_tls(ngx_core_tls_key);
+ tls->pool = NULL;
+ return;
+ }
+
+#else
+
+ ngx_pcre_pool = NULL;
+
+#endif
+}
- re = pcre_compile((const char *) pattern->data, (int) options,
+
+ngx_int_t
+ngx_regex_compile(ngx_regex_compile_t *rc)
+{
+ int n, erroff;
+ char *p;
+ const char *errstr;
+ ngx_regex_t *re;
+
+ ngx_regex_malloc_init(rc->pool);
+
+ re = pcre_compile((const char *) rc->pattern.data, (int) rc->options,
&errstr, &erroff, NULL);
+ /* ensure that there is no current pool */
+ ngx_regex_malloc_done();
+
if (re == NULL) {
- if ((size_t) erroff == pattern->len) {
- ngx_snprintf(err->data, err->len - 1,
- "pcre_compile() failed: %s in \"%s\"%Z",
- errstr, pattern->data);
+ if ((size_t) erroff == rc->pattern.len) {
+ rc->err.len = ngx_snprintf(rc->err.data, rc->err.len,
+ "pcre_compile() failed: %s in \"%V\"",
+ errstr, &rc->pattern)
+ - rc->err.data;
+
} else {
- ngx_snprintf(err->data, err->len - 1,
- "pcre_compile() failed: %s in \"%s\" at \"%s\"%Z",
- errstr, pattern->data, pattern->data + erroff);
+ rc->err.len = ngx_snprintf(rc->err.data, rc->err.len,
+ "pcre_compile() failed: %s in \"%V\" at \"%s\"",
+ errstr, &rc->pattern, rc->pattern.data + erroff)
+ - rc->err.data;
}
+
+ return NGX_ERROR;
}
- /* ensure that there is no current pool */
+ rc->regex = re;
-#if (NGX_THREADS)
- if (ngx_threaded) {
- tls->pool = NULL;
- } else {
- ngx_pcre_pool = NULL;
+ n = pcre_fullinfo(re, NULL, PCRE_INFO_CAPTURECOUNT, &rc->captures);
+ if (n < 0) {
+ p = "pcre_fullinfo(\"%V\", PCRE_INFO_CAPTURECOUNT) failed: %d";
+ goto failed;
}
-#else
- ngx_pcre_pool = NULL;
-#endif
- return re;
+ if (rc->captures == 0) {
+ return NGX_OK;
+ }
+
+ n = pcre_fullinfo(re, NULL, PCRE_INFO_NAMECOUNT, &rc->named_captures);
+ if (n < 0) {
+ p = "pcre_fullinfo(\"%V\", PCRE_INFO_NAMECOUNT) failed: %d";
+ goto failed;
+ }
+
+ if (rc->named_captures == 0) {
+ return NGX_OK;
+ }
+
+ n = pcre_fullinfo(re, NULL, PCRE_INFO_NAMEENTRYSIZE, &rc->name_size);
+ if (n < 0) {
+ p = "pcre_fullinfo(\"%V\", PCRE_INFO_NAMEENTRYSIZE) failed: %d";
+ goto failed;
+ }
+
+ n = pcre_fullinfo(re, NULL, PCRE_INFO_NAMETABLE, &rc->names);
+ if (n < 0) {
+ p = "pcre_fullinfo(\"%V\", PCRE_INFO_NAMETABLE) failed: %d";
+ goto failed;
+ }
+
+ return NGX_OK;
+
+failed:
+
+ rc->err.len = ngx_snprintf(rc->err.data, rc->err.len, p, &rc->pattern, n)
+ - rc->err.data;
+ return NGX_OK;
}
@@ -117,7 +176,7 @@ ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log)
if (n < 0) {
ngx_log_error(NGX_LOG_ALERT, log, 0,
- ngx_regex_exec_n " failed: %d on \"%V\" using \"%s\"",
+ ngx_regex_exec_n " failed: %i on \"%V\" using \"%s\"",
n, s, re[i].name);
return NGX_ERROR;
}
@@ -141,11 +200,15 @@ ngx_regex_malloc(size_t size)
if (ngx_threaded) {
tls = ngx_thread_get_tls(ngx_core_tls_key);
pool = tls->pool;
+
} else {
pool = ngx_pcre_pool;
}
+
#else
+
pool = ngx_pcre_pool;
+
#endif
if (pool) {
diff --git a/src/core/ngx_regex.h b/src/core/ngx_regex.h
index 4a4857222..fc35059b3 100644
--- a/src/core/ngx_regex.h
+++ b/src/core/ngx_regex.h
@@ -20,26 +20,36 @@
typedef pcre ngx_regex_t;
+
typedef struct {
- ngx_regex_t *regex;
- u_char *name;
+ ngx_str_t pattern;
+ ngx_pool_t *pool;
+ ngx_int_t options;
+
+ ngx_regex_t *regex;
+ int captures;
+ int named_captures;
+ int name_size;
+ u_char *names;
+ ngx_str_t err;
+} ngx_regex_compile_t;
+
+
+typedef struct {
+ ngx_regex_t *regex;
+ u_char *name;
} ngx_regex_elt_t;
void ngx_regex_init(void);
-ngx_regex_t *ngx_regex_compile(ngx_str_t *pattern, ngx_int_t options,
- ngx_pool_t *pool, ngx_str_t *err);
-ngx_int_t ngx_regex_capture_count(ngx_regex_t *re);
+ngx_int_t ngx_regex_compile(ngx_regex_compile_t *rc);
#define ngx_regex_exec(re, s, captures, size) \
pcre_exec(re, NULL, (const char *) (s)->data, (s)->len, 0, 0, \
captures, size)
+#define ngx_regex_exec_n "pcre_exec()"
ngx_int_t ngx_regex_exec_array(ngx_array_t *a, ngx_str_t *s, ngx_log_t *log);
-#define ngx_regex_exec_n "pcre_exec()"
-#define ngx_regex_capture_count_n "pcre_fullinfo()"
-
-
#endif /* _NGX_REGEX_H_INCLUDED_ */
generated by cgit v1.2.3 (git 2.25.1) at 2025-07-18 06:34:41 +0000