From 13a97fefeb0ca24813e6646a943cf1f52849c257 Mon Sep 17 00:00:00 2001
From: Zeev Suraski <zeev@php.net>
Date: Tue, 6 Mar 2001 15:54:49 +0000
Subject: [PATCH] Initial work on internal output handlers - should be much
 quicker

---
 ext/standard/output.c     | 47 ++++++++++++++++++++++++++++++---------
 ext/standard/php_output.h |  8 ++++++-
 main/output.c             | 47 ++++++++++++++++++++++++++++++---------
 main/php_output.h         |  8 ++++++-
 4 files changed, 86 insertions(+), 24 deletions(-)

diff --git a/ext/standard/output.c b/ext/standard/output.c
index 6f2ad8140e..02c8575617 100644
--- a/ext/standard/output.c
+++ b/ext/standard/output.c
@@ -123,14 +123,29 @@ PHPAPI void php_end_ob_buffer(zend_bool send_buffer, zend_bool just_flush)
 	int final_buffer_length=0;
 	zval *alternate_buffer=NULL;
 	char *to_be_destroyed_buffer;
+	char *internal_output_handler_buffer;
+	int status;
 	SLS_FETCH();
 	OLS_FETCH();
 
 	if (OG(nesting_level)==0) {
 		return;
 	}
+	status = 0;
+	if (!OG(active_ob_buffer).status & PHP_OUTPUT_HANDLER_START) {
+		/* our first call */
+		status |= PHP_OUTPUT_HANDLER_START;
+	}
+	if (just_flush) {
+		status |= PHP_OUTPUT_HANDLER_CONT;
+	} else {
+		status |= PHP_OUTPUT_HANDLER_END;
+	}
 
-	if (OG(active_ob_buffer).output_handler) {
+	if (OG(active_ob_buffer).internal_output_handler) {
+		internal_output_handler_buffer = OG(active_ob_buffer).internal_output_handler_buffer;
+		OG(active_ob_buffer).internal_output_handler(OG(active_ob_buffer).buffer, OG(active_ob_buffer).text_length, &internal_output_handler_buffer, status);
+	} else if (OG(active_ob_buffer).output_handler) {
 		zval **params[2];
 		zval *orig_buffer;
 		zval *z_status;
@@ -144,16 +159,7 @@ PHPAPI void php_end_ob_buffer(zend_bool send_buffer, zend_bool just_flush)
 
 		ALLOC_INIT_ZVAL(z_status);
 		Z_TYPE_P(z_status) = IS_LONG;
-		Z_LVAL_P(z_status) = 0;
-		if (!OG(active_ob_buffer).status & PHP_OUTPUT_HANDLER_START) {
-			/* our first call */
-			Z_LVAL_P(z_status) |= PHP_OUTPUT_HANDLER_START;
-		}
-		if (just_flush) {
-			Z_LVAL_P(z_status) |= PHP_OUTPUT_HANDLER_CONT;
-		} else {
-			Z_LVAL_P(z_status) |= PHP_OUTPUT_HANDLER_END;
-		}
+		Z_LVAL_P(z_status) = status;
 
 		params[0] = &orig_buffer;
 		params[1] = &z_status;
@@ -218,6 +224,10 @@ PHPAPI void php_end_ob_buffer(zend_bool send_buffer, zend_bool just_flush)
 		OG(active_ob_buffer).status |= PHP_OUTPUT_HANDLER_START;
 		OG(php_body_write) = php_b_body_write;
 	}
+	if (OG(active_ob_buffer).internal_output_handler
+		&& (internal_output_handler_buffer != OG(active_ob_buffer).internal_output_handler_buffer)) {
+		efree(internal_output_handler_buffer);
+	}
 }
 
 
@@ -249,6 +259,20 @@ PHPAPI void php_end_implicit_flush()
 }
 
 
+PHPAPI void php_ob_set_internal_handler(php_output_handler_func_t internal_output_handler, uint buffer_size)
+{
+	OLS_FETCH();
+
+	if (OG(nesting_level)==0) {
+		return;
+	}
+
+	OG(active_ob_buffer).internal_output_handler = internal_output_handler;
+	OG(active_ob_buffer).internal_output_handler_buffer = (char *) emalloc(buffer_size);
+	OG(active_ob_buffer).internal_output_handler_buffer_size = buffer_size;
+}
+
+
 /*
  * Output buffering - implementation
  */
@@ -285,6 +309,7 @@ static void php_ob_init(uint initial_size, uint block_size, zval *output_handler
 	OG(active_ob_buffer).output_handler = output_handler;
 	OG(active_ob_buffer).chunk_size = chunk_size;
 	OG(active_ob_buffer).status = 0;
+	OG(active_ob_buffer).internal_output_handler = NULL;
 }
 
 
diff --git a/ext/standard/php_output.h b/ext/standard/php_output.h
index 1792d20257..0cb8647690 100644
--- a/ext/standard/php_output.h
+++ b/ext/standard/php_output.h
@@ -23,6 +23,8 @@
 
 #include "php.h"
 
+typedef void (*php_output_handler_func_t)(char *output, uint output_len, char **handled_output, int status);
+
 PHPAPI void php_output_startup(void);
 void php_output_register_constants(void);
 PHPAPI int  php_body_write(const char *str, uint str_length);
@@ -36,6 +38,7 @@ PHPAPI void php_start_implicit_flush(void);
 PHPAPI void php_end_implicit_flush(void);
 PHPAPI char *php_get_output_start_filename(void);
 PHPAPI int php_get_output_start_lineno(void);
+PHPAPI void php_ob_set_internal_handler(php_output_handler_func_t internal_output_handler, uint buffer_size);
 
 PHP_FUNCTION(ob_start);
 PHP_FUNCTION(ob_end_flush);
@@ -51,9 +54,12 @@ typedef struct _php_ob_buffer {
 	uint size;
 	uint text_length;
 	int block_size;
-	zval *output_handler;
 	uint chunk_size;
 	int status;
+	zval *output_handler;
+	php_output_handler_func_t internal_output_handler;
+	char *internal_output_handler_buffer;
+	uint internal_output_handler_buffer_size;
 } php_ob_buffer;
 
 typedef struct _php_output_globals {
diff --git a/main/output.c b/main/output.c
index 6f2ad8140e..02c8575617 100644
--- a/main/output.c
+++ b/main/output.c
@@ -123,14 +123,29 @@ PHPAPI void php_end_ob_buffer(zend_bool send_buffer, zend_bool just_flush)
 	int final_buffer_length=0;
 	zval *alternate_buffer=NULL;
 	char *to_be_destroyed_buffer;
+	char *internal_output_handler_buffer;
+	int status;
 	SLS_FETCH();
 	OLS_FETCH();
 
 	if (OG(nesting_level)==0) {
 		return;
 	}
+	status = 0;
+	if (!OG(active_ob_buffer).status & PHP_OUTPUT_HANDLER_START) {
+		/* our first call */
+		status |= PHP_OUTPUT_HANDLER_START;
+	}
+	if (just_flush) {
+		status |= PHP_OUTPUT_HANDLER_CONT;
+	} else {
+		status |= PHP_OUTPUT_HANDLER_END;
+	}
 
-	if (OG(active_ob_buffer).output_handler) {
+	if (OG(active_ob_buffer).internal_output_handler) {
+		internal_output_handler_buffer = OG(active_ob_buffer).internal_output_handler_buffer;
+		OG(active_ob_buffer).internal_output_handler(OG(active_ob_buffer).buffer, OG(active_ob_buffer).text_length, &internal_output_handler_buffer, status);
+	} else if (OG(active_ob_buffer).output_handler) {
 		zval **params[2];
 		zval *orig_buffer;
 		zval *z_status;
@@ -144,16 +159,7 @@ PHPAPI void php_end_ob_buffer(zend_bool send_buffer, zend_bool just_flush)
 
 		ALLOC_INIT_ZVAL(z_status);
 		Z_TYPE_P(z_status) = IS_LONG;
-		Z_LVAL_P(z_status) = 0;
-		if (!OG(active_ob_buffer).status & PHP_OUTPUT_HANDLER_START) {
-			/* our first call */
-			Z_LVAL_P(z_status) |= PHP_OUTPUT_HANDLER_START;
-		}
-		if (just_flush) {
-			Z_LVAL_P(z_status) |= PHP_OUTPUT_HANDLER_CONT;
-		} else {
-			Z_LVAL_P(z_status) |= PHP_OUTPUT_HANDLER_END;
-		}
+		Z_LVAL_P(z_status) = status;
 
 		params[0] = &orig_buffer;
 		params[1] = &z_status;
@@ -218,6 +224,10 @@ PHPAPI void php_end_ob_buffer(zend_bool send_buffer, zend_bool just_flush)
 		OG(active_ob_buffer).status |= PHP_OUTPUT_HANDLER_START;
 		OG(php_body_write) = php_b_body_write;
 	}
+	if (OG(active_ob_buffer).internal_output_handler
+		&& (internal_output_handler_buffer != OG(active_ob_buffer).internal_output_handler_buffer)) {
+		efree(internal_output_handler_buffer);
+	}
 }
 
 
@@ -249,6 +259,20 @@ PHPAPI void php_end_implicit_flush()
 }
 
 
+PHPAPI void php_ob_set_internal_handler(php_output_handler_func_t internal_output_handler, uint buffer_size)
+{
+	OLS_FETCH();
+
+	if (OG(nesting_level)==0) {
+		return;
+	}
+
+	OG(active_ob_buffer).internal_output_handler = internal_output_handler;
+	OG(active_ob_buffer).internal_output_handler_buffer = (char *) emalloc(buffer_size);
+	OG(active_ob_buffer).internal_output_handler_buffer_size = buffer_size;
+}
+
+
 /*
  * Output buffering - implementation
  */
@@ -285,6 +309,7 @@ static void php_ob_init(uint initial_size, uint block_size, zval *output_handler
 	OG(active_ob_buffer).output_handler = output_handler;
 	OG(active_ob_buffer).chunk_size = chunk_size;
 	OG(active_ob_buffer).status = 0;
+	OG(active_ob_buffer).internal_output_handler = NULL;
 }
 
 
diff --git a/main/php_output.h b/main/php_output.h
index 1792d20257..0cb8647690 100644
--- a/main/php_output.h
+++ b/main/php_output.h
@@ -23,6 +23,8 @@
 
 #include "php.h"
 
+typedef void (*php_output_handler_func_t)(char *output, uint output_len, char **handled_output, int status);
+
 PHPAPI void php_output_startup(void);
 void php_output_register_constants(void);
 PHPAPI int  php_body_write(const char *str, uint str_length);
@@ -36,6 +38,7 @@ PHPAPI void php_start_implicit_flush(void);
 PHPAPI void php_end_implicit_flush(void);
 PHPAPI char *php_get_output_start_filename(void);
 PHPAPI int php_get_output_start_lineno(void);
+PHPAPI void php_ob_set_internal_handler(php_output_handler_func_t internal_output_handler, uint buffer_size);
 
 PHP_FUNCTION(ob_start);
 PHP_FUNCTION(ob_end_flush);
@@ -51,9 +54,12 @@ typedef struct _php_ob_buffer {
 	uint size;
 	uint text_length;
 	int block_size;
-	zval *output_handler;
 	uint chunk_size;
 	int status;
+	zval *output_handler;
+	php_output_handler_func_t internal_output_handler;
+	char *internal_output_handler_buffer;
+	uint internal_output_handler_buffer_size;
 } php_ob_buffer;
 
 typedef struct _php_output_globals {
-- 
2.40.0