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reuse compiled XSLT tree in different locations

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This commit is contained in:
Igor Sysoev 2008-08-05 14:27:49 +00:00
parent 993aeefc54
commit 4ea51081b3
1 changed files with 83 additions and 29 deletions
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112
src/http/modules/ngx_http_xslt_filter_module.c
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@ -21,6 +21,17 @@
#endif #endif
typedef struct {
u_char *name;
xsltStylesheetPtr stylesheet;
} ngx_http_xslt_sheet_file_t;
typedef struct {
ngx_array_t sheet_files; /* ngx_http_xslt_sheet_file_t */
} ngx_http_xslt_filter_main_conf_t;
typedef struct { typedef struct {
ngx_array_t *lengths; ngx_array_t *lengths;
ngx_array_t *values; ngx_array_t *values;
@ -38,7 +49,7 @@ typedef struct {
ngx_array_t sheets; /* ngx_http_xslt_sheet_t */ ngx_array_t sheets; /* ngx_http_xslt_sheet_t */
ngx_hash_t types; ngx_hash_t types;
ngx_array_t *types_keys; ngx_array_t *types_keys;
} ngx_http_xslt_filter_conf_t; } ngx_http_xslt_filter_loc_conf_t;
typedef struct { typedef struct {
@ -118,6 +129,7 @@ static char *ngx_http_xslt_entities(ngx_conf_t *cf, ngx_command_t *cmd,
static char *ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd, static char *ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd,
void *conf); void *conf);
static void ngx_http_xslt_cleanup_stylesheet(void *data); static void ngx_http_xslt_cleanup_stylesheet(void *data);
static void *ngx_http_xslt_filter_create_main_conf(ngx_conf_t *cf);
static void *ngx_http_xslt_filter_create_conf(ngx_conf_t *cf); static void *ngx_http_xslt_filter_create_conf(ngx_conf_t *cf);
static char *ngx_http_xslt_filter_merge_conf(ngx_conf_t *cf, void *parent, static char *ngx_http_xslt_filter_merge_conf(ngx_conf_t *cf, void *parent,
void *child); void *child);
@ -150,7 +162,7 @@ static ngx_command_t ngx_http_xslt_filter_commands[] = {
NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE, NGX_HTTP_MAIN_CONF|NGX_HTTP_SRV_CONF|NGX_HTTP_LOC_CONF|NGX_CONF_1MORE,
ngx_http_types_slot, ngx_http_types_slot,
NGX_HTTP_LOC_CONF_OFFSET, NGX_HTTP_LOC_CONF_OFFSET,
offsetof(ngx_http_xslt_filter_conf_t, types_keys), offsetof(ngx_http_xslt_filter_loc_conf_t, types_keys),
&ngx_http_xslt_default_types[0] }, &ngx_http_xslt_default_types[0] },
ngx_null_command ngx_null_command
@ -161,7 +173,7 @@ static ngx_http_module_t ngx_http_xslt_filter_module_ctx = {
NULL, /* preconfiguration */ NULL, /* preconfiguration */
ngx_http_xslt_filter_init, /* postconfiguration */ ngx_http_xslt_filter_init, /* postconfiguration */
NULL, /* create main configuration */ ngx_http_xslt_filter_create_main_conf, /* create main configuration */
NULL, /* init main configuration */ NULL, /* init main configuration */
NULL, /* create server configuration */ NULL, /* create server configuration */
@ -195,8 +207,8 @@ static ngx_http_output_body_filter_pt ngx_http_next_body_filter;
static ngx_int_t static ngx_int_t
ngx_http_xslt_header_filter(ngx_http_request_t *r) ngx_http_xslt_header_filter(ngx_http_request_t *r)
{ {
ngx_http_xslt_filter_ctx_t *ctx; ngx_http_xslt_filter_ctx_t *ctx;
ngx_http_xslt_filter_conf_t *conf; ngx_http_xslt_filter_loc_conf_t *conf;
ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0, ngx_log_debug0(NGX_LOG_DEBUG_HTTP, r->connection->log, 0,
"xslt filter header"); "xslt filter header");
@ -477,10 +489,10 @@ ngx_http_xslt_sax_external_subset(void *data, const xmlChar *name,
{ {
ngx_http_xslt_filter_ctx_t *ctx = data; ngx_http_xslt_filter_ctx_t *ctx = data;
xmlDocPtr doc; xmlDocPtr doc;
xmlDtdPtr dtd; xmlDtdPtr dtd;
ngx_http_request_t *r; ngx_http_request_t *r;
ngx_http_xslt_filter_conf_t *conf; ngx_http_xslt_filter_loc_conf_t *conf;
r = ctx->request; r = ctx->request;
@ -726,14 +738,14 @@ static ngx_buf_t *
ngx_http_xslt_apply_stylesheet(ngx_http_request_t *r, ngx_http_xslt_apply_stylesheet(ngx_http_request_t *r,
ngx_http_xslt_filter_ctx_t *ctx) ngx_http_xslt_filter_ctx_t *ctx)
{ {
int len, rc, doc_type; int len, rc, doc_type;
u_char *type, *encoding; u_char *type, *encoding;
ngx_buf_t *b; ngx_buf_t *b;
ngx_uint_t i; ngx_uint_t i;
xmlChar *buf; xmlChar *buf;
xmlDocPtr doc, res; xmlDocPtr doc, res;
ngx_http_xslt_sheet_t *sheet; ngx_http_xslt_sheet_t *sheet;
ngx_http_xslt_filter_conf_t *conf; ngx_http_xslt_filter_loc_conf_t *conf;
conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module); conf = ngx_http_get_module_loc_conf(r, ngx_http_xslt_filter_module);
sheet = conf->sheets.elts; sheet = conf->sheets.elts;
@ -980,7 +992,7 @@ ngx_http_xslt_cleanup(void *data)
static char * static char *
ngx_http_xslt_entities(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) ngx_http_xslt_entities(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{ {
ngx_http_xslt_filter_conf_t *xlcf = conf; ngx_http_xslt_filter_loc_conf_t *xlcf = conf;
ngx_str_t *value; ngx_str_t *value;
@ -1005,14 +1017,16 @@ ngx_http_xslt_entities(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
static char * static char *
ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd, void *conf) ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
{ {
ngx_http_xslt_filter_conf_t *xlcf = conf; ngx_http_xslt_filter_loc_conf_t *xlcf = conf;
ngx_str_t *value; ngx_str_t *value;
ngx_uint_t i, n; ngx_uint_t i, n;
ngx_pool_cleanup_t *cln; ngx_pool_cleanup_t *cln;
ngx_http_xslt_sheet_t *sheet; ngx_http_xslt_sheet_t *sheet;
ngx_http_xslt_param_t *param; ngx_http_xslt_param_t *param;
ngx_http_script_compile_t sc; ngx_http_script_compile_t sc;
ngx_http_xslt_sheet_file_t *file;
ngx_http_xslt_filter_main_conf_t *xmcf;
value = cf->args->elts; value = cf->args->elts;
@ -1036,6 +1050,16 @@ ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
return NGX_CONF_ERROR; return NGX_CONF_ERROR;
} }
xmcf = ngx_http_conf_get_module_main_conf(cf, ngx_http_xslt_filter_module);
file = xmcf->sheet_files.elts;
for (i = 0; i < xmcf->sheet_files.nelts; i++) {
if (ngx_strcmp(file[i].name, &value[1].data) == 0) {
sheet->stylesheet = file[i].stylesheet;
goto found;
}
}
cln = ngx_pool_cleanup_add(cf->pool, 0); cln = ngx_pool_cleanup_add(cf->pool, 0);
if (cln == NULL) { if (cln == NULL) {
return NGX_CONF_ERROR; return NGX_CONF_ERROR;
@ -1052,6 +1076,16 @@ ngx_http_xslt_stylesheet(ngx_conf_t *cf, ngx_command_t *cmd, void *conf)
cln->handler = ngx_http_xslt_cleanup_stylesheet; cln->handler = ngx_http_xslt_cleanup_stylesheet;
cln->data = sheet->stylesheet; cln->data = sheet->stylesheet;
file = ngx_array_push(&xmcf->sheet_files);
if (file == NULL) {
return NGX_CONF_ERROR;
}
file->name = value[1].data;
file->stylesheet = sheet->stylesheet;
found:
n = cf->args->nelts; n = cf->args->nelts;
if (n == 2) { if (n == 2) {
@ -1103,13 +1137,33 @@ ngx_http_xslt_cleanup_stylesheet(void *data)
} }
static void *
ngx_http_xslt_filter_create_main_conf(ngx_conf_t *cf)
{
ngx_http_xslt_filter_main_conf_t *conf;
conf = ngx_palloc(cf->pool, sizeof(ngx_http_xslt_filter_main_conf_t));
if (conf == NULL) {
return NGX_CONF_ERROR;
}
if (ngx_array_init(&conf->sheet_files, cf->pool, 1,
sizeof(ngx_http_xslt_sheet_file_t))
!= NGX_OK)
{
return NULL;
}
return conf;
}
static void * static void *
ngx_http_xslt_filter_create_conf(ngx_conf_t *cf) ngx_http_xslt_filter_create_conf(ngx_conf_t *cf)
{ {
ngx_http_xslt_filter_conf_t *conf; ngx_http_xslt_filter_loc_conf_t *conf;
conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_xslt_filter_conf_t)); conf = ngx_pcalloc(cf->pool, sizeof(ngx_http_xslt_filter_loc_conf_t));
if (conf == NULL) { if (conf == NULL) {
return NGX_CONF_ERROR; return NGX_CONF_ERROR;
} }
@ -1130,8 +1184,8 @@ ngx_http_xslt_filter_create_conf(ngx_conf_t *cf)
static char * static char *
ngx_http_xslt_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child) ngx_http_xslt_filter_merge_conf(ngx_conf_t *cf, void *parent, void *child)
{ {
ngx_http_xslt_filter_conf_t *prev = parent; ngx_http_xslt_filter_loc_conf_t *prev = parent;
ngx_http_xslt_filter_conf_t *conf = child; ngx_http_xslt_filter_loc_conf_t *conf = child;
if (conf->dtd == NULL) { if (conf->dtd == NULL) {
conf->dtd = prev->dtd; conf->dtd = prev->dtd;