X-Git-Url: https://git.m6w6.name/?a=blobdiff_plain;f=src%2Fphp_http_buffer.h;fp=src%2Fphp_http_buffer.h;h=818c4430e5ed891e0144f29bae080a8d1cedb3c9;hb=57e944b102006abfa4005337b0ac5901425f4289;hp=0000000000000000000000000000000000000000;hpb=95433e1b55cd256df3fe3b6240ded359e8ba09a6;p=m6w6%2Fext-http

diff --git a/src/php_http_buffer.h b/src/php_http_buffer.h
new file mode 100644
index 0000000..818c443
--- /dev/null
+++ b/src/php_http_buffer.h
@@ -0,0 +1,245 @@
+/*
+    +--------------------------------------------------------------------+
+    | PECL :: http                                                       |
+    +--------------------------------------------------------------------+
+    | Redistribution and use in source and binary forms, with or without |
+    | modification, are permitted provided that the conditions mentioned |
+    | in the accompanying LICENSE file are met.                          |
+    +--------------------------------------------------------------------+
+    | Copyright (c) 2004-2014, Michael Wallner <mike@php.net>            |
+    +--------------------------------------------------------------------+
+*/
+
+#ifndef PHP_HTTP_BUFFER_H
+#define PHP_HTTP_BUFFER_H
+
+#ifndef PHP_HTTP_BUFFER_DEFAULT_SIZE
+#	define PHP_HTTP_BUFFER_DEFAULT_SIZE 256
+#endif
+
+#define PHP_HTTP_BUFFER_ERROR ((size_t) -1)
+#define PHP_HTTP_BUFFER_NOMEM PHP_HTTP_BUFFER_ERROR
+#define PHP_HTTP_BUFFER_PASS0 PHP_HTTP_BUFFER_ERROR
+
+#ifndef PTR_FREE
+#	define PTR_FREE(PTR) \
+	{ \
+		if (PTR) { \
+			efree(PTR); \
+		} \
+	}
+#endif
+#ifndef PTR_SET
+#	define PTR_SET(PTR, SET) \
+	{ \
+		PTR_FREE(PTR); \
+		PTR = SET; \
+	}
+#endif
+#ifdef PHP_ATTRIBUTE_FORMAT
+#	define PHP_HTTP_BUFFER_ATTRIBUTE_FORMAT(f, a, b) PHP_ATTRIBUTE_FORMAT(f, a, b)
+#else
+#	define PHP_HTTP_BUFFER_ATTRIBUTE_FORMAT(f, a, b)
+#endif
+#ifndef pemalloc
+#	define pemalloc(s,p)	malloc(s)
+#	define pefree(x,p)		free(x)
+#	define perealloc(x,s,p)	realloc(x,s)
+#	define perealloc_recoverable perealloc
+#	define ecalloc calloc
+static inline void *estrndup(void *p, size_t s)
+{
+	char *r = (char *) malloc(s+1);
+	if (r) memcpy((void *) r, p, s), r[s] = '\0';
+	return (void *) r;
+}
+#endif
+
+#if defined(PHP_WIN32)
+#	if defined(PHP_HTTP_BUFFER_EXPORTS)
+#		define PHP_HTTP_BUFFER_API __declspec(dllexport)
+#	elif defined(COMPILE_DL_PHP_HTTP_BUFFER)
+#		define PHP_HTTP_BUFFER_API __declspec(dllimport)
+#	else
+#		define PHP_HTTP_BUFFER_API
+#	endif
+#else
+#	define PHP_HTTP_BUFFER_API
+#endif
+
+#define PHP_HTTP_BUFFER(p) ((php_http_buffer_t *) (p))
+
+#define FREE_PHP_HTTP_BUFFER_PTR(STR) pefree(STR, STR->pmem)
+#define FREE_PHP_HTTP_BUFFER_VAL(STR) php_http_buffer_dtor(STR)
+#define FREE_PHP_HTTP_BUFFER_ALL(STR) php_http_buffer_free(&(STR))
+#define FREE_PHP_HTTP_BUFFER(free, STR) \
+	switch (free) \
+	{ \
+	case PHP_HTTP_BUFFER_FREE_NOT: \
+		break; \
+	case PHP_HTTP_BUFFER_FREE_PTR: \
+		pefree(STR, STR->pmem); \
+		break; \
+	case PHP_HTTP_BUFFER_FREE_VAL: \
+		php_http_buffer_dtor(STR); \
+		break; \
+	case PHP_HTTP_BUFFER_FREE_ALL: { \
+		php_http_buffer_t *PTR = (STR); \
+		php_http_buffer_free(&PTR); \
+		break; \
+	} \
+	default:\
+		break; \
+	}
+
+#define RETURN_PHP_HTTP_BUFFER_PTR(STR) RETURN_PHP_HTTP_BUFFER((STR), PHP_HTTP_BUFFER_FREE_PTR, 0)
+#define RETURN_PHP_HTTP_BUFFER_VAL(STR) RETURN_PHP_HTTP_BUFFER((STR), PHP_HTTP_BUFFER_FREE_NOT, 0)
+#define RETURN_PHP_HTTP_BUFFER_DUP(STR) RETURN_PHP_HTTP_BUFFER((STR), PHP_HTTP_BUFFER_FREE_NOT, 1)
+#define RETVAL_PHP_HTTP_BUFFER_PTR(STR) RETVAL_PHP_HTTP_BUFFER((STR), PHP_HTTP_BUFFER_FREE_PTR, 0)
+#define RETVAL_PHP_HTTP_BUFFER_VAL(STR) RETVAL_PHP_HTTP_BUFFER((STR), PHP_HTTP_BUFFER_FREE_NOT, 0)
+#define RETVAL_PHP_HTTP_BUFFER_DUP(STR) RETVAL_PHP_HTTP_BUFFER((STR), PHP_HTTP_BUFFER_FREE_NOT, 1)
+/* RETURN_PHP_HTTP_BUFFER(buf, PHP_HTTP_BUFFER_FREE_PTR, 0) */
+#define RETURN_PHP_HTTP_BUFFER(STR, free, dup) \
+	RETVAL_PHP_HTTP_BUFFER((STR), (free), (dup)); \
+	return;
+
+#define RETVAL_PHP_HTTP_BUFFER(STR, free, dup) \
+	php_http_buffer_fix(STR); \
+	RETVAL_STRINGL((STR)->data, (STR)->used, (dup)); \
+	FREE_PHP_HTTP_BUFFER((free), (STR));
+
+typedef struct php_http_buffer {
+	char  *data;
+	size_t used;
+	size_t free;
+	size_t size;
+	unsigned pmem:1;
+	unsigned reserved:31;
+} php_http_buffer_t;
+
+typedef enum php_http_buffer_free {
+	PHP_HTTP_BUFFER_FREE_NOT = 0,
+	PHP_HTTP_BUFFER_FREE_PTR,	/* pefree() */
+	PHP_HTTP_BUFFER_FREE_VAL,	/* php_http_buffer_dtor() */
+	PHP_HTTP_BUFFER_FREE_ALL	/* php_http_buffer_free() */
+} php_http_buffer_free_t;
+
+#define PHP_HTTP_BUFFER_ALL_FREE(STR) PHP_HTTP_BUFFER_FREE_ALL,(STR)
+#define PHP_HTTP_BUFFER_PTR_FREE(STR) PHP_HTTP_BUFFER_FREE_PTR,(STR)
+#define PHP_HTTP_BUFFER_VAL_FREE(STR) PHP_HTTP_BUFFER_FREE_VAL,(STR)
+#define PHP_HTTP_BUFFER_NOT_FREE(STR) PHP_HTTP_BUFFER_FREE_NOT,(STR)
+
+#define PHP_HTTP_BUFFER_INIT_PREALLOC	0x01
+#define PHP_HTTP_BUFFER_INIT_PERSISTENT	0x02
+
+/* create a new php_http_buffer_t */
+#define php_http_buffer_new() php_http_buffer_init(NULL)
+#define php_http_buffer_init(b) php_http_buffer_init_ex(b, PHP_HTTP_BUFFER_DEFAULT_SIZE, 0)
+#define php_http_buffer_clone(from, to) php_http_buffer_init_ex((to), (from)->size, (from)->pmem ? PHP_HTTP_BUFFER_INIT_PERSISTENT:0)
+PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_init_ex(php_http_buffer_t *buf, size_t chunk_size, unsigned flags);
+
+/* create a php_http_buffer_t from a zval or c-string */
+#define php_http_buffer_from_zval(z) php_http_buffer_from_string(Z_STRVAL(z), Z_STRLEN(z))
+#define php_http_buffer_from_zval_ex(b, z) php_http_buffer_from_string_ex(b, Z_STRVAL(z), Z_STRLEN(z))
+#define php_http_buffer_from_string(s, l) php_http_buffer_from_string_ex(NULL, (s), (l))
+PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_from_string_ex(php_http_buffer_t *buf, const char *string, size_t length);
+
+/* usually only called from within the internal functions */
+#define php_http_buffer_resize(b, s) php_http_buffer_resize_ex((b), (s), 0, 0)
+PHP_HTTP_BUFFER_API size_t php_http_buffer_resize_ex(php_http_buffer_t *buf, size_t len, size_t override_size, zend_bool allow_error);
+
+PHP_HTTP_BUFFER_API char *php_http_buffer_account(php_http_buffer_t *buf, size_t to_account);
+
+/* shrink memory chunk to actually used size (+1) */
+PHP_HTTP_BUFFER_API size_t php_http_buffer_shrink(php_http_buffer_t *buf);
+
+/* append data to the php_http_buffer_t */
+#define php_http_buffer_appends(b, a) php_http_buffer_append((b), (a), sizeof(a)-1)
+#define php_http_buffer_appendl(b, a) php_http_buffer_append((b), (a), strlen(a))
+#define php_http_buffer_appendz(b, z) php_http_buffer_append((b), (z)->val, (z)->len)
+PHP_HTTP_BUFFER_API size_t php_http_buffer_append(php_http_buffer_t *buf, const char *append, size_t append_len);
+PHP_HTTP_BUFFER_API size_t php_http_buffer_appendf(php_http_buffer_t *buf, const char *format, ...) PHP_HTTP_BUFFER_ATTRIBUTE_FORMAT(printf, 2, 3);
+
+/* get a zero-terminated string */
+PHP_HTTP_BUFFER_API char *php_http_buffer_data(const php_http_buffer_t *buf, char **into, size_t *len);
+
+/* remove a substring */
+PHP_HTTP_BUFFER_API size_t php_http_buffer_cut(php_http_buffer_t *buf, size_t offset, size_t length);
+
+/* sets a trailing NUL byte */
+PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_fix(php_http_buffer_t *buf);
+
+/* reset php_http_buffer_t object */
+PHP_HTTP_BUFFER_API void php_http_buffer_reset(php_http_buffer_t *buf);
+
+/* free a php_http_buffer_t objects contents */
+PHP_HTTP_BUFFER_API void php_http_buffer_dtor(php_http_buffer_t *buf);
+
+/* free a php_http_buffer_t object completely */
+PHP_HTTP_BUFFER_API void php_http_buffer_free(php_http_buffer_t **buf);
+
+/* stores data in a php_http_buffer_t until it reaches chunk_size */
+PHP_HTTP_BUFFER_API size_t php_http_buffer_chunk_buffer(php_http_buffer_t **s, const char *data, size_t data_len, char **chunk, size_t chunk_size);
+
+typedef size_t (*php_http_buffer_pass_func_t)(void *opaque, char *, size_t);
+
+PHP_HTTP_BUFFER_API ssize_t php_http_buffer_passthru(php_http_buffer_t **s, size_t chunk_size, php_http_buffer_pass_func_t passin, void *passin_arg, php_http_buffer_pass_func_t passon, void *passon_arg);
+
+/* wrapper around php_http_buffer_chunk_buffer, which passes available chunks to passthru() */
+PHP_HTTP_BUFFER_API size_t php_http_buffer_chunked_output(php_http_buffer_t **s, const char *data, size_t data_len, size_t chunk_size, php_http_buffer_pass_func_t passout, void *opaque);
+
+/* write chunks directly into php_http_buffer_t buffer */
+PHP_HTTP_BUFFER_API size_t php_http_buffer_chunked_input(php_http_buffer_t **s, size_t chunk_size, php_http_buffer_pass_func_t passin, void *opaque);
+
+
+#	ifdef PHP_HTTP_BUFFER_EXTENDED
+
+/* memcmp for php_http_buffer_t objects */
+PHP_HTTP_BUFFER_API int php_http_buffer_cmp(php_http_buffer_t *left, php_http_buffer_t *right);
+
+/* get a complete php_http_buffer_t duplicate */
+PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_copy(const php_http_buffer_t *from, php_http_buffer_t *to);
+
+/* merge several php_http_buffer_t objects
+   use like:
+
+	php_http_buffer_t *final = php_http_buffer_merge(3,
+		PHP_HTTP_BUFFER_NOT_FREE(&keep),
+		PHP_HTTP_BUFFER_ALL_FREE(middle_ptr),
+		PHP_HTTP_BUFFER_VAL_FREE(&local);
+*/
+PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_merge(unsigned argc, ...);
+PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_merge_ex(php_http_buffer_t *buf, unsigned argc, ...);
+PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_merge_va(php_http_buffer_t *buf, unsigned argc, va_list argv);
+
+/* insert data at a specific position of the php_http_buffer_t */
+#define php_http_buffer_inserts(b, i, o) php_http_buffer_insert((b), (i), sizeof(i)-1, (o))
+#define php_http_buffer_insertl(b, i, o) php_http_buffer_insert((b), (i), strlen(i), (o))
+PHP_HTTP_BUFFER_API size_t php_http_buffer_insert(php_http_buffer_t *buf, const char *insert, size_t insert_len, size_t offset);
+PHP_HTTP_BUFFER_API size_t php_http_buffer_insertf(php_http_buffer_t *buf, size_t offset, const char *format, ...) PHP_HTTP_BUFFER_ATTRIBUTE_FORMAT(printf, 3, 4);
+
+/* prepend data */
+#define php_http_buffer_prepends(b, p) php_http_buffer_prepend((b), (p), sizeof(p)-1)
+#define php_http_buffer_prependl(b, p) php_http_buffer_prepend((b), (p), strlen(p))
+PHP_HTTP_BUFFER_API size_t php_http_buffer_prepend(php_http_buffer_t *buf, const char *prepend, size_t prepend_len);
+PHP_HTTP_BUFFER_API size_t php_http_buffer_prependf(php_http_buffer_t *buf, const char *format, ...) PHP_HTTP_BUFFER_ATTRIBUTE_FORMAT(printf, 2, 3);
+
+/* get a part of the php_http_buffer_t */
+#define php_http_buffer_mid(b, o, l) php_http_buffer_sub((b), (o), (l))
+#define php_http_buffer_left(b, l) php_http_buffer_sub((b), 0, (l))
+PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_right(const php_http_buffer_t *buf, size_t length);
+PHP_HTTP_BUFFER_API php_http_buffer_t *php_http_buffer_sub(const php_http_buffer_t *buf, size_t offset, size_t len);
+
+#	endif /* PHP_HTTP_BUFFER_EXTENDED */
+
+#endif /* PHP_HTTP_BUFFER_H */
+
+
+/*
+ * Local variables:
+ * tab-width: 4
+ * c-basic-offset: 4
+ * End:
+ * vim600: sw=4 ts=4 fdm=marker
+ * vim<600: sw=4 ts=4
+ */