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Eina: Added Eina_UStrbuf. 

Same as Eina_Strbuf but for Eina_Unicode strings.

SVN revision: 50534
This commit is contained in:
Tom Hacohen 2010-07-27 09:05:41 +00:00
parent 3675a5f02b
commit 279da003e0
11 changed files with 1818 additions and 956 deletions
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1
legacy/eina/src/include/Eina.h
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@ -152,6 +152,7 @@ extern "C" {
#include "eina_matrixsparse.h"
#include "eina_str.h"
#include "eina_strbuf.h"
#include "eina_ustrbuf.h"
#include "eina_unicode.h"
#include "eina_quadtree.h"

1
legacy/eina/src/include/Makefile.am
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@ -49,6 +49,7 @@ eina_inline_tiler.x \
eina_str.h \
eina_inline_str.x \
eina_strbuf.h \
eina_ustrbuf.h \
eina_unicode.h \
eina_quadtree.h

288
legacy/eina/src/include/eina_strbuf.h
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@ -2,6 +2,7 @@
#define EINA_STRBUF_H
#include <stddef.h>
#include <stdarg.h>
#include "eina_types.h"
@ -10,37 +11,258 @@
*
* @{
*/
/**
* @defgroup Eina_String_Buffer_Group String Buffer
* @addtogroup Eina_String_Buffer_Group String Buffer
*
* @brief These functions provide string buffers management.
*
* The String Buffer data type is designed to be a mutable string,
* allowing to append, prepend or insert a string to a buffer.
*
* @{
*/
/**
* @typedef Eina_Strbuf
* Type for a string buffer.
*/
typedef struct _Eina_Strbuf Eina_Strbuf;
/**
* @brief Create a new string buffer.
*
* @return Newly allocated string buffer instance.
*
* This function creates a new string buffer. On error, @c NULL is
* returned and Eina error is set to #EINA_ERROR_OUT_OF_MEMORY. To
* free the resources, use eina_strbuf_free().
*
* @see eina_strbuf_free()
* @see eina_strbuf_append()
* @see eina_strbuf_string_get()
*/
EAPI Eina_Strbuf *eina_strbuf_new(void) EINA_MALLOC EINA_WARN_UNUSED_RESULT;
/**
* @brief Free a string buffer.
*
* @param buf The string buffer to free.
*
* This function frees the memory of @p buf. @p buf must have been
* created by eina_strbuf_new().
*/
EAPI void eina_strbuf_free(Eina_Strbuf *buf) EINA_ARG_NONNULL(1);
/**
* @brief Reset a string buffer.
*
* @param buf The string buffer to reset.
*
* This function reset @p buf: the buffer len is set to 0, and the
* string is set to '\\0'. No memory is free'd.
*/
EAPI void eina_strbuf_reset(Eina_Strbuf *buf) EINA_ARG_NONNULL(1);
/**
* @brief Append a string to a buffer, reallocating as necessary.
*
* @param buf The string buffer to append to.
* @param str The string to append.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function appends @p str to @p buf. It computes the length of
* @p str, so is slightly slower than eina_strbuf_append_length(). If
* the length is known beforehand, consider using that variant. If
* @p buf can't append it, #EINA_FALSE is returned, otherwise
* #EINA_TRUE is returned.
*
* @see eina_strbuf_append()
* @see eina_strbuf_append_length()
*/
EAPI Eina_Bool eina_strbuf_append(Eina_Strbuf *buf, const char *str) EINA_ARG_NONNULL(1, 2);
/**
* @brief Append an escaped string to a buffer, reallocating as necessary.
*
* @param buf The string buffer to append to.
* @param str The string to append.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function appends the escaped string @p str to @p buf. If @p
* str can not be appended, #EINA_FALSE is returned, otherwise,
* #EINA_TRUE is returned.
*/
EAPI Eina_Bool eina_strbuf_append_escaped(Eina_Strbuf *buf, const char *str) EINA_ARG_NONNULL(1, 2);
/**
* @brief Append a string to a buffer, reallocating as necessary,
* limited by the given length.
*
* @param buf The string buffer to append to.
* @param str The string to append.
* @param maxlen The maximum number of characters to append.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function appends at most @p maxlen characters of @p str to
* @p buf. It can't appends more than the length of @p str. It
* computes the length of @p str, so is slightly slower than
* eina_strbuf_append_length(). If the length is known beforehand,
* consider using that variant (@p maxlen should then be checked so
* that it is greater than the size of @p str). If @p str can not be
* appended, #EINA_FALSE is returned, otherwise, #EINA_TRUE is
* returned.
*
* @see eina_strbuf_append()
* @see eina_strbuf_append_length()
*/
EAPI Eina_Bool eina_strbuf_append_n(Eina_Strbuf *buf, const char *str, size_t maxlen) EINA_ARG_NONNULL(1, 2);
/**
* @brief Append a string of exact length to a buffer, reallocating as necessary.
*
* @param buf The string buffer to append to.
* @param str The string to append.
* @param length The exact length to use.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function appends @p str to @p buf. @p str must be of size at
* most @p length. It is slightly faster than eina_strbuf_append() as
* it does not compute the size of @p str. It is useful when dealing
* with strings of known size, such as eina_strngshare. If @p buf
* can't append it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
* returned.
*
* @see eina_stringshare_length()
* @see eina_strbuf_append()
* @see eina_strbuf_append_n()
*/
EAPI Eina_Bool eina_strbuf_append_length(Eina_Strbuf *buf, const char *str, size_t length) EINA_ARG_NONNULL(1, 2);
/**
* @brief Append a character to a string buffer, reallocating as
* necessary.
*
* @param buf The string buffer to append to.
* @param c The char to append.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p c to @p buf. If it can not insert it,
* #EINA_FALSE is returned, otherwise #EINA_TRUE is returned.
*/
EAPI Eina_Bool eina_strbuf_append_char(Eina_Strbuf *buf, char c) EINA_ARG_NONNULL(1);
/**
* @brief Append a string to a buffer, reallocating as necessary.
*
* @param buf The string buffer to append to.
* @param fmt The string to append.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* @see eina_strbuf_append()
*/
EAPI Eina_Bool eina_strbuf_append_printf(Eina_Strbuf *buf, const char *fmt, ...) EINA_ARG_NONNULL(1, 2) EINA_PRINTF(2, 3);
/**
* @brief Append a string to a buffer, reallocating as necessary.
*
* @param buf The string buffer to append to.
* @param fmt The string to append.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* @see eina_strbuf_append()
*/
EAPI Eina_Bool eina_strbuf_append_vprintf(Eina_Strbuf *buf, const char *fmt, va_list args) EINA_ARG_NONNULL(1, 2);
/**
* @brief Insert a string to a buffer, reallocating as necessary.
*
* @param buf The string buffer to insert.
* @param str The string to insert.
* @param pos The position to insert the string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p str to @p buf at position @p pos. It
* computes the length of @p str, so is slightly slower than
* eina_strbuf_insert_length(). If the length is known beforehand,
* consider using that variant. If @p buf can't insert it, #EINA_FALSE
* is returned, otherwise #EINA_TRUE is returned.
*/
EAPI Eina_Bool eina_strbuf_insert(Eina_Strbuf *buf, const char *str, size_t pos) EINA_ARG_NONNULL(1, 2);
/**
* @brief Insert an escaped string to a buffer, reallocating as
* necessary.
*
* @param buf The string buffer to insert to.
* @param str The string to insert.
* @param pos The position to insert the string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts the escaped string @p str to @p buf at
* position @p pos. If @p buf can't insert @p str, #EINA_FALSE is
* returned, otherwise #EINA_TRUE is returned.
*/
EAPI Eina_Bool eina_strbuf_insert_escaped(Eina_Strbuf *buf, const char *str, size_t pos) EINA_ARG_NONNULL(1, 2);
/**
* @brief Insert a string to a buffer, reallocating as necessary. Limited by maxlen.
*
* @param buf The string buffer to insert to.
* @param str The string to insert.
* @param maxlen The maximum number of chars to insert.
* @param pos The position to insert the string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p str ot @p buf at position @p pos, with at
* most @p maxlen bytes. The number of inserted characters can not be
* greater than the length of @p str. It computes the length of
* @p str, so is slightly slower than eina_strbuf_insert_length(). If the
* length is known beforehand, consider using that variant (@p maxlen
* should then be checked so that it is greater than the size of
* @p str). If @p str can not be inserted, #EINA_FALSE is returned,
* otherwise, #EINA_TRUE is returned.
*/
EAPI Eina_Bool eina_strbuf_insert_n(Eina_Strbuf *buf, const char *str, size_t maxlen, size_t pos) EINA_ARG_NONNULL(1, 2);
/**
* @brief Insert a string of exact length to a buffer, reallocating as necessary.
*
* @param buf The string buffer to insert to.
* @param str The string to insert.
* @param length The exact length to use.
* @param pos The position to insert the string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p str to @p buf. @p str must be of size at
* most @p length. It is slightly faster than eina_strbuf_insert() as
* it does not compute the size of @p str. It is useful when dealing
* with strings of known size, such as eina_strngshare. If @p buf
* can't insert it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
* returned.
*
* @see eina_stringshare_length()
* @see eina_strbuf_insert()
* @see eina_strbuf_insert_n()
*/
EAPI Eina_Bool eina_strbuf_insert_length(Eina_Strbuf *buf, const char *str, size_t length, size_t pos) EINA_ARG_NONNULL(1, 2);
/**
* @brief Insert a character to a string buffer, reallocating as
* necessary.
*
* @param buf The string buffer to insert to.
* @param c The char to insert.
* @param pos The position to insert the char.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p c to @p buf at position @p pos. If @p buf
* can't append it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
* returned.
*/
EAPI Eina_Bool eina_strbuf_insert_char(Eina_Strbuf *buf, char c, size_t pos) EINA_ARG_NONNULL(1);
/**
* @brief Insert a string to a buffer, reallocating as necessary.
*
* @param buf The string buffer to insert.
* @param fmt The string to insert.
* @param pos The position to insert the string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*/
EAPI Eina_Bool eina_strbuf_insert_printf(Eina_Strbuf *buf, const char *fmt, size_t pos, ...) EINA_ARG_NONNULL(1, 2) EINA_PRINTF(2, 4);
/**
* @brief Insert a string to a buffer, reallocating as necessary.
*
* @param buf The string buffer to insert.
* @param fmt The string to insert.
* @param pos The position to insert the string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*/
EAPI Eina_Bool eina_strbuf_insert_vprintf(Eina_Strbuf *buf, const char *fmt, size_t pos, va_list args) EINA_ARG_NONNULL(1, 2);
/**
@ -143,11 +365,67 @@ EAPI Eina_Bool eina_strbuf_insert_vprintf(Eina_Strbuf *buf, const char *fmt, siz
*/
#define eina_strbuf_prepend_vprintf(buf, fmt, args) eina_strbuf_insert_vprintf(buf, fmt, 0, args)
/**
* @brief Remove a slice of the given string buffer.
*
* @param buf The string buffer to remove a slice.
* @param start The initial (inclusive) slice position to start
* removing, in bytes.
* @param end The final (non-inclusive) slice position to finish
* removing, in bytes.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function removes a slice of @p buf, starting at @p start
* (inclusive) and ending at @p end (non-inclusive). Both values are
* in bytes. It returns #EINA_FALSE on failure, #EINA_TRUE otherwise.
*/
EAPI Eina_Bool eina_strbuf_remove(Eina_Strbuf *buf, size_t start, size_t end) EINA_ARG_NONNULL(1);
/**
* @brief Retrieve a pointer to the contents of a string buffer
*
* @param buf The string buffer.
* @return The current string in the string buffer.
*
* This function returns the string contained in @p buf. The returned
* value must not be modified and will no longer be valid if @p buf is
* modified. In other words, any eina_strbuf_append() or similar will
* make that pointer invalid.
*
* @see eina_strbuf_string_steal()
*/
EAPI const char *eina_strbuf_string_get(const Eina_Strbuf *buf) EINA_ARG_NONNULL(1);
/**
* @brief Steal the contents of a string buffer.
*
* @param buf The string buffer to steal.
* @return The current string in the string buffer.
*
* This function returns the string contained in @p buf. @p buf is
* then initialized and does not own the returned string anymore. The
* caller must release the memory of the returned string by calling
* free().
*
* @see eina_strbuf_string_get()
*/
EAPI char *eina_strbuf_string_steal(Eina_Strbuf *buf) EINA_MALLOC EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1);
/**
* @brief Free the contents of a string buffer but not the buffer.
*
* @param buf The string buffer to free the string of.
*
* This function frees the string contained in @p buf without freeing
* @p buf.
*/
EAPI void eina_strbuf_string_free(Eina_Strbuf *buf) EINA_ARG_NONNULL(1);
/**
* @brief Retrieve the length of the string buffer content.
*
* @param buf The string buffer.
* @return The current length of the string, in bytes.
*
* This function returns the length of @p buf.
*/
EAPI size_t eina_strbuf_length_get(const Eina_Strbuf *buf) EINA_ARG_NONNULL(1);
EAPI Eina_Bool eina_strbuf_replace(Eina_Strbuf *buf, const char *str, const char *with, unsigned int n) EINA_ARG_NONNULL(1, 2, 3);
@ -171,9 +449,7 @@ EAPI int eina_strbuf_replace_all(Eina_Strbuf *buf, const char *str, const char *
/**
* @}
*/
/**
* @}
*/
#endif /* EINA_STRBUF_H */

401
legacy/eina/src/include/eina_ustrbuf.h Normal file
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@ -0,0 +1,401 @@
#ifndef EINA_USTRBUF_H
#define EINA_USTRBUF_H
#include <stddef.h>
#include "eina_types.h"
#include "eina_unicode.h"
/**
* @addtogroup Eina_Data_Types_Group Data Types
*
* @{
*/
/**
* @addtogroup Eina_Unicode_String_Buffer_Group Unicode String Buffer
*
* @brief These functions provide unicode string buffers management.
*
* The Unicode String Buffer data type is designed to be a mutable string,
* allowing to append, prepend or insert a string to a buffer.
*
* @{
*/
/**
* @typedef Eina_UStrbuf
* Type for a string buffer.
*/
typedef struct _Eina_Strbuf Eina_UStrbuf;
/**
* @brief Create a new string buffer.
*
* @return Newly allocated string buffer instance.
*
* This function creates a new string buffer. On error, @c NULL is
* returned and Eina error is set to #EINA_ERROR_OUT_OF_MEMORY. To
* free the resources, use eina_ustrbuf_free().
*
* @see eina_ustrbuf_free()
* @see eina_ustrbuf_append()
* @see eina_ustrbuf_string_get()
*/
EAPI Eina_UStrbuf *eina_ustrbuf_new(void) EINA_MALLOC EINA_WARN_UNUSED_RESULT;
/**
* @brief Free a string buffer.
*
* @param buf The string buffer to free.
*
* This function frees the memory of @p buf. @p buf must have been
* created by eina_ustrbuf_new().
*/
EAPI void eina_ustrbuf_free(Eina_UStrbuf *buf) EINA_ARG_NONNULL(1);
/**
* @brief Reset a string buffer.
*
* @param buf The string buffer to reset.
*
* This function reset @p buf: the buffer len is set to 0, and the
* string is set to '\\0'. No memory is free'd.
*/
EAPI void eina_ustrbuf_reset(Eina_UStrbuf *buf) EINA_ARG_NONNULL(1);
/**
* @brief Append a string to a buffer, reallocating as necessary.
*
* @param buf The string buffer to append to.
* @param str The string to append.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function appends @p str to @p buf. It computes the length of
* @p str, so is slightly slower than eina_ustrbuf_append_length(). If
* the length is known beforehand, consider using that variant. If
* @p buf can't append it, #EINA_FALSE is returned, otherwise
* #EINA_TRUE is returned.
*
* @see eina_ustrbuf_append()
* @see eina_ustrbuf_append_length()
*/
EAPI Eina_Bool eina_ustrbuf_append(Eina_UStrbuf *buf, const Eina_Unicode *str) EINA_ARG_NONNULL(1, 2);
/**
* @brief Append an escaped string to a buffer, reallocating as necessary.
*
* @param buf The string buffer to append to.
* @param str The string to append.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function appends the escaped string @p str to @p buf. If @p
* str can not be appended, #EINA_FALSE is returned, otherwise,
* #EINA_TRUE is returned.
*/
EAPI Eina_Bool eina_ustrbuf_append_escaped(Eina_UStrbuf *buf, const Eina_Unicode *str) EINA_ARG_NONNULL(1, 2);
/**
* @brief Append a string to a buffer, reallocating as necessary,
* limited by the given length.
*
* @param buf The string buffer to append to.
* @param str The string to append.
* @param maxlen The maximum number of characters to append.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function appends at most @p maxlen characters of @p str to
* @p buf. It can't appends more than the length of @p str. It
* computes the length of @p str, so is slightly slower than
* eina_ustrbuf_append_length(). If the length is known beforehand,
* consider using that variant (@p maxlen should then be checked so
* that it is greater than the size of @p str). If @p str can not be
* appended, #EINA_FALSE is returned, otherwise, #EINA_TRUE is
* returned.
*
* @see eina_ustrbuf_append()
* @see eina_ustrbuf_append_length()
*/
EAPI Eina_Bool eina_ustrbuf_append_n(Eina_UStrbuf *buf, const Eina_Unicode *str, size_t maxlen) EINA_ARG_NONNULL(1, 2);
/**
* @brief Append a string of exact length to a buffer, reallocating as necessary.
*
* @param buf The string buffer to append to.
* @param str The string to append.
* @param length The exact length to use.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function appends @p str to @p buf. @p str must be of size at
* most @p length. It is slightly faster than eina_ustrbuf_append() as
* it does not compute the size of @p str. It is useful when dealing
* with strings of known size, such as eina_strngshare. If @p buf
* can't append it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
* returned.
*
* @see eina_stringshare_length()
* @see eina_ustrbuf_append()
* @see eina_ustrbuf_append_n()
*/
EAPI Eina_Bool eina_ustrbuf_append_length(Eina_UStrbuf *buf, const Eina_Unicode *str, size_t length) EINA_ARG_NONNULL(1, 2);
/**
* @brief Append a character to a string buffer, reallocating as
* necessary.
*
* @param buf The string buffer to append to.
* @param c The char to append.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p c to @p buf. If it can not insert it,
* #EINA_FALSE is returned, otherwise #EINA_TRUE is returned.
*/
EAPI Eina_Bool eina_ustrbuf_append_char(Eina_UStrbuf *buf, Eina_Unicode c) EINA_ARG_NONNULL(1);
/**
* @brief Insert a string to a buffer, reallocating as necessary.
*
* @param buf The string buffer to insert.
* @param str The string to insert.
* @param pos The position to insert the string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p str to @p buf at position @p pos. It
* computes the length of @p str, so is slightly slower than
* eina_ustrbuf_insert_length(). If the length is known beforehand,
* consider using that variant. If @p buf can't insert it, #EINA_FALSE
* is returned, otherwise #EINA_TRUE is returned.
*/
EAPI Eina_Bool eina_ustrbuf_insert(Eina_UStrbuf *buf, const Eina_Unicode *str, size_t pos) EINA_ARG_NONNULL(1, 2);
/**
* @brief Insert an escaped string to a buffer, reallocating as
* necessary.
*
* @param buf The string buffer to insert to.
* @param str The string to insert.
* @param pos The position to insert the string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts the escaped string @p str to @p buf at
* position @p pos. If @p buf can't insert @p str, #EINA_FALSE is
* returned, otherwise #EINA_TRUE is returned.
*/
EAPI Eina_Bool eina_ustrbuf_insert_escaped(Eina_UStrbuf *buf, const Eina_Unicode *str, size_t pos) EINA_ARG_NONNULL(1, 2);
/**
* @brief Insert a string to a buffer, reallocating as necessary. Limited by maxlen.
*
* @param buf The string buffer to insert to.
* @param str The string to insert.
* @param maxlen The maximum number of chars to insert.
* @param pos The position to insert the string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p str ot @p buf at position @p pos, with at
* most @p maxlen bytes. The number of inserted characters can not be
* greater than the length of @p str. It computes the length of
* @p str, so is slightly slower than eina_ustrbuf_insert_length(). If the
* length is known beforehand, consider using that variant (@p maxlen
* should then be checked so that it is greater than the size of
* @p str). If @p str can not be inserted, #EINA_FALSE is returned,
* otherwise, #EINA_TRUE is returned.
*/
EAPI Eina_Bool eina_ustrbuf_insert_n(Eina_UStrbuf *buf, const Eina_Unicode *str, size_t maxlen, size_t pos) EINA_ARG_NONNULL(1, 2);
/**
* @brief Insert a string of exact length to a buffer, reallocating as necessary.
*
* @param buf The string buffer to insert to.
* @param str The string to insert.
* @param length The exact length to use.
* @param pos The position to insert the string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p str to @p buf. @p str must be of size at
* most @p length. It is slightly faster than eina_ustrbuf_insert() as
* it does not compute the size of @p str. It is useful when dealing
* with strings of known size, such as eina_strngshare. If @p buf
* can't insert it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
* returned.
*
* @see eina_stringshare_length()
* @see eina_ustrbuf_insert()
* @see eina_ustrbuf_insert_n()
*/
EAPI Eina_Bool eina_ustrbuf_insert_length(Eina_UStrbuf *buf, const Eina_Unicode *str, size_t length, size_t pos) EINA_ARG_NONNULL(1, 2);
/**
* @brief Insert a character to a string buffer, reallocating as
* necessary.
*
* @param buf The string buffer to insert to.
* @param c The char to insert.
* @param pos The position to insert the char.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p c to @p buf at position @p pos. If @p buf
* can't append it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
* returned.
*/
EAPI Eina_Bool eina_ustrbuf_insert_char(Eina_UStrbuf *buf, Eina_Unicode c, size_t pos) EINA_ARG_NONNULL(1);
/**
* @def eina_ustrbuf_prepend(buf, str)
* @brief Prepend the given string to the given buffer
*
* @param buf The string buffer to prepend to.
* @param str The string to prepend.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This macro is calling eina_ustrbuf_insert() at position 0.If @p buf
* can't prepend it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
* returned.
*/
#define eina_ustrbuf_prepend(buf, str) eina_ustrbuf_insert(buf, str, 0)
/**
* @def eina_ustrbuf_prepend_escaped(buf, str)
* @brief Prepend the given escaped string to the given buffer
*
* @param buf The string buffer to prepend to.
* @param str The string to prepend.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This macro is calling eina_ustrbuf_insert_escaped() at position 0. If
* @p buf can't prepend it, #EINA_FALSE is returned, otherwise
* #EINA_TRUE is returned.
*/
#define eina_ustrbuf_prepend_escaped(buf, str) eina_ustrbuf_insert_escaped(buf, str, 0)
/**
* @def eina_ustrbuf_prepend_n(buf, str)
* @brief Prepend the given escaped string to the given buffer
*
* @param buf The string buffer to prepend to.
* @param str The string to prepend.
* @param maxlen The maximum number of Eina_Unicode *s to prepend.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This macro is calling eina_ustrbuf_insert_n() at position 0. If
* @p buf can't prepend it, #EINA_FALSE is returned, otherwise
* #EINA_TRUE is returned.
*/
#define eina_ustrbuf_prepend_n(buf, str, maxlen) eina_ustrbuf_insert_n(buf, str, maxlen, 0)
/**
* @def eina_ustrbuf_prepend_length(buf, str)
* @brief Prepend the given escaped string to the given buffer
*
* @param buf The string buffer to prepend to.
* @param str The string to prepend.
* @param length The exact length to use.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This macro is calling eina_ustrbuf_insert_length() at position 0. If
* @p buf can't prepend it, #EINA_FALSE is returned, otherwise
* #EINA_TRUE is returned.
*/
#define eina_ustrbuf_prepend_length(buf, str, length) eina_ustrbuf_insert_length(buf, str, length, 0)
/**
* @def eina_ustrbuf_prepend_Eina_Unicode *(buf, str)
* @brief Prepend the given Eina_Unicode *acter to the given buffer
*
* @param buf The string buffer to prepend to.
* @param c The Eina_Unicode *acter to prepend.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This macro is calling eina_ustrbuf_insert_Eina_Unicode *() at position 0. If
* @p buf can't prepend it, #EINA_FALSE is returned, otherwise
* #EINA_TRUE is returned.
*/
#define eina_ustrbuf_prepend_Eina_Unicode *(buf, c) eina_ustrbuf_insert_Eina_Unicode *(buf, c, 0)
/**
* @def eina_ustrbuf_prepend_printf(buf, fmt, ...)
* @brief Prepend the given string to the given buffer
*
* @param buf The string buffer to prepend to.
* @param str The string to prepend.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This macro is calling eina_ustrbuf_insert_printf() at position 0.If @p buf
* can't prepend it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
* returned.
*/
#define eina_ustrbuf_prepend_printf(buf, fmt, ...) eina_ustrbuf_insert_printf(buf, fmt, 0, ##__VA_ARGS__)
/**
* @def eina_ustrbuf_prepend_vprintf(buf, fmt, args)
* @brief Prepend the given string to the given buffer
*
* @param buf The string buffer to prepend to.
* @param fmt The string to prepend.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This macro is calling eina_ustrbuf_insert_vprintf() at position 0.If @p buf
* can't prepend it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
* returned.
*/
#define eina_ustrbuf_prepend_vprintf(buf, fmt, args) eina_ustrbuf_insert_vprintf(buf, fmt, 0, args)
/**
* @brief Remove a slice of the given string buffer.
*
* @param buf The string buffer to remove a slice.
* @param start The initial (inclusive) slice position to start
* removing, in bytes.
* @param end The final (non-inclusive) slice position to finish
* removing, in bytes.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function removes a slice of @p buf, starting at @p start
* (inclusive) and ending at @p end (non-inclusive). Both values are
* in bytes. It returns #EINA_FALSE on failure, #EINA_TRUE otherwise.
*/
EAPI Eina_Bool eina_ustrbuf_remove(Eina_UStrbuf *buf, size_t start, size_t end) EINA_ARG_NONNULL(1);
/**
* @brief Retrieve a pointer to the contents of a string buffer
*
* @param buf The string buffer.
* @return The current string in the string buffer.
*
* This function returns the string contained in @p buf. The returned
* value must not be modified and will no longer be valid if @p buf is
* modified. In other words, any eina_ustrbuf_append() or similar will
* make that pointer invalid.
*
* @see eina_ustrbuf_string_steal()
*/
EAPI const Eina_Unicode *eina_ustrbuf_string_get(const Eina_UStrbuf *buf) EINA_ARG_NONNULL(1);
/**
* @brief Steal the contents of a string buffer.
*
* @param buf The string buffer to steal.
* @return The current string in the string buffer.
*
* This function returns the string contained in @p buf. @p buf is
* then initialized and does not own the returned string anymore. The
* caller must release the memory of the returned string by calling
* free().
*
* @see eina_ustrbuf_string_get()
*/
EAPI Eina_Unicode *eina_ustrbuf_string_steal(Eina_UStrbuf *buf) EINA_MALLOC EINA_WARN_UNUSED_RESULT EINA_ARG_NONNULL(1);
/**
* @brief Free the contents of a string buffer but not the buffer.
*
* @param buf The string buffer to free the string of.
*
* This function frees the string contained in @p buf without freeing
* @p buf.
*/
EAPI void eina_ustrbuf_string_free(Eina_UStrbuf *buf) EINA_ARG_NONNULL(1);
/**
* @brief Retrieve the length of the string buffer content.
*
* @param buf The string buffer.
* @return The current length of the string, in bytes.
*
* This function returns the length of @p buf.
*/
EAPI size_t eina_ustrbuf_length_get(const Eina_UStrbuf *buf) EINA_ARG_NONNULL(1);
/**
* @}
*/
/**
* @}
*/
#endif /* EINA_STRBUF_H */

2
legacy/eina/src/lib/Makefile.am
View File

@ -42,6 +42,8 @@ eina_hamster.c \
eina_safety_checks.c \
eina_str.c \
eina_strbuf.c \
eina_strbuf_common.c \
eina_ustrbuf.c \
eina_unicode.c \
eina_quadtree.c

2
legacy/eina/src/lib/eina_main.c
View File

@ -118,6 +118,7 @@ S(counter);
S(benchmark);
S(rectangle);
S(strbuf);
S(ustrbuf);
S(quadtree);
#undef S
@ -148,6 +149,7 @@ static const struct eina_desc_setup _eina_desc_setup[] = {
S(benchmark),
S(rectangle),
S(strbuf),
S(ustrbuf),
S(quadtree)
#undef S
};

964
legacy/eina/src/lib/eina_strbuf.c
View File

File diff suppressed because it is too large Load Diff

800
legacy/eina/src/lib/eina_strbuf_common.c Normal file
View File

@ -0,0 +1,800 @@
/*
* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
*/
#define _GNU_SOURCE
#ifdef HAVE_CONFIG_H
# include "config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#ifdef _WIN32
# include <Evil.h>
#endif
#include "eina_private.h"
#include "eina_str.h"
#include "eina_magic.h"
#include "eina_error.h"
#include "eina_safety_checks.h"
#include "eina_strbuf.h"
#include "eina_strbuf_common.h"
/*============================================================================*
* Local *
*============================================================================*/
/**
* @cond LOCAL
*/
#define EINA_STRBUF_INIT_SIZE 32
#define EINA_STRBUF_INIT_STEP 32
#define EINA_STRBUF_MAX_STEP 4096
/**
* @internal
*
* init the buffer
* @param buf the buffer to init
*
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*/
static Eina_Bool
_eina_strbuf_common_init(size_t csize, Eina_Strbuf *buf)
{
buf->len = 0;
buf->size = EINA_STRBUF_INIT_SIZE;
buf->step = EINA_STRBUF_INIT_STEP;
eina_error_set(0);
buf->buf = calloc(csize, buf->size);
if (EINA_UNLIKELY(!buf->buf))
{
eina_error_set(EINA_ERROR_OUT_OF_MEMORY);
return EINA_FALSE;
}
return EINA_TRUE;
}
/**
* @internal
*
* resize the buffer
* @param buf the buffer to resize
* @param size the minimum size of the buffer
*
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*/
static inline Eina_Bool
_eina_strbuf_common_resize(size_t csize, Eina_Strbuf *buf, size_t size)
{
size_t new_size, new_step, delta;
void *buffer;
size += 1; // Add extra space for '\0'
if (size == buf->size)
/* nothing to do */
return EINA_TRUE;
else if (size > buf->size)
delta = size - buf->size;
else
delta = buf->size - size;
/* check if should keep the same step (just used while growing) */
if ((delta <= buf->step) && (size > buf->size))
new_step = buf->step;
else
{
new_step = (((delta / EINA_STRBUF_INIT_STEP) + 1)
* EINA_STRBUF_INIT_STEP);
if (new_step > EINA_STRBUF_MAX_STEP)
new_step = EINA_STRBUF_MAX_STEP;
}
new_size = (((size / new_step) + 1) * new_step);
/* reallocate the buffer to the new size */
buffer = realloc(buf->buf, new_size * csize);
if (EINA_UNLIKELY(!buffer))
{
eina_error_set(EINA_ERROR_OUT_OF_MEMORY);
return EINA_FALSE;
}
buf->buf = buffer;
buf->size = new_size;
buf->step = new_step;
eina_error_set(0);
return EINA_TRUE;
}
/**
* @internal
*
* If required, enlarge the buffer to fit the new size.
*
* @param buf the buffer to resize
* @param size the minimum size of the buffer
*
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*/
Eina_Bool
_eina_strbuf_common_grow(size_t csize, Eina_Strbuf *buf, size_t size)
{
if ((size + 1) < buf->size)
return EINA_TRUE;
return _eina_strbuf_common_resize(csize, buf, size);
}
/**
* @internal
*
* insert string of known length at random within existing strbuf limits.
*
* @param buf the buffer to resize, must be valid.
* @param str the string to copy, must be valid (!NULL and smaller than @a len)
* @param len the amount of bytes in @a str to copy, must be valid.
* @param pos the position inside buffer to insert, must be valid (smaller
* than eina_strbuf_common_length_get())
*
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*/
static inline Eina_Bool
_eina_strbuf_common_insert_length(size_t csize, Eina_Strbuf *buf, const void *str, size_t len, size_t pos)
{
if (EINA_UNLIKELY(!_eina_strbuf_common_grow(csize, buf, buf->len + len)))
return EINA_FALSE;
/* move the existing text */
memmove(buf->buf + ((len + pos) * csize), buf->buf + (pos * csize), (buf->len - pos) * csize);
/* and now insert the given string */
memcpy(buf->buf + (pos * csize), str, len * csize);
buf->len += len;
memset(buf->buf + (buf->len * csize), 0, csize);
return EINA_TRUE;
}
/**
* @endcond
*/
/*============================================================================*
* Global *
*============================================================================*/
/**
* @cond LOCAL
*/
/**
* @internal
* @brief Initialize the strbuf module.
*
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function sets up the strbuf module of Eina. It is called by
* eina_init().
*
* @see eina_init()
*/
Eina_Bool
eina_strbuf_common_init(void)
{
return EINA_TRUE;
}
/**
* @internal
* @brief Shut down the strbuf module.
*
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function shuts down the strbuf module set up by
* eina_strbuf_common_init(). It is called by eina_shutdown().
*
* @see eina_shutdown()
*/
Eina_Bool
eina_strbuf_common_shutdown(void)
{
return EINA_TRUE;
}
/*============================================================================*
* API *
*============================================================================*/
/**
* @brief Create a new string buffer.
*
* @return Newly allocated string buffer instance.
*
* This function creates a new string buffer. On error, @c NULL is
* returned and Eina error is set to #EINA_ERROR_OUT_OF_MEMORY. To
* free the resources, use eina_strbuf_common_free().
*
* @see eina_strbuf_common_free()
* @see eina_strbuf_common_append()
* @see eina_strbuf_common_string_get()
*/
Eina_Strbuf *
eina_strbuf_common_new(size_t csize)
{
Eina_Strbuf *buf;
eina_error_set(0);
buf = malloc(sizeof(Eina_Strbuf));
if (EINA_UNLIKELY(!buf))
{
eina_error_set(EINA_ERROR_OUT_OF_MEMORY);
return NULL;
}
if (EINA_UNLIKELY(!_eina_strbuf_common_init(csize, buf)))
{
eina_strbuf_common_free(buf);
return NULL;
}
return buf;
}
/**
* @brief Free a string buffer.
*
* @param buf The string buffer to free.
*
* This function frees the memory of @p buf. @p buf must have been
* created by eina_strbuf_common_new().
*/
void
eina_strbuf_common_free(Eina_Strbuf *buf)
{
free(buf->buf);
free(buf);
}
/**
* @brief Reset a string buffer.
*
* @param buf The string buffer to reset.
*
* This function reset @p buf: the buffer len is set to 0, and the
* string is set to '\\0'. No memory is free'd.
*/
void
eina_strbuf_common_reset(size_t csize, Eina_Strbuf *buf)
{
buf->len = 0;
buf->step = EINA_STRBUF_INIT_STEP;
memset(buf->buf, 0, csize);
}
/**
* @brief Append a string to a buffer, reallocating as necessary.
*
* @param buf The string buffer to append to.
* @param str The string to append.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function appends @p str to @p buf. It computes the length of
* @p str, so is slightly slower than eina_strbuf_common_append_length(). If
* the length is known beforehand, consider using that variant. If
* @p buf can't append it, #EINA_FALSE is returned, otherwise
* #EINA_TRUE is returned.
*
* @see eina_strbuf_common_append()
* @see eina_strbuf_common_append_length()
*/
Eina_Bool
eina_strbuf_common_append(size_t csize, Eina_Strbuf *buf, const void *str, size_t len)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(str, EINA_FALSE);
if (EINA_UNLIKELY(!_eina_strbuf_common_grow(csize, buf, buf->len + len)))
return EINA_FALSE;
memcpy(buf->buf + (buf->len * csize), str, (len + 1) * csize);
buf->len += len;
return EINA_TRUE;
}
/**
* @brief Append a string to a buffer, reallocating as necessary,
* limited by the given length.
*
* @param buf The string buffer to append to.
* @param str The string to append.
* @param maxlen The maximum number of characters to append.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function appends at most @p maxlen characters of @p str to
* @p buf. It can't appends more than the length of @p str. It
* computes the length of @p str, so is slightly slower than
* eina_strbuf_common_append_length(). If the length is known beforehand,
* consider using that variant (@p maxlen should then be checked so
* that it is greater than the size of @p str). If @p str can not be
* appended, #EINA_FALSE is returned, otherwise, #EINA_TRUE is
* returned.
*
* @see eina_strbuf_common_append()
* @see eina_strbuf_common_append_length()
*/
Eina_Bool
eina_strbuf_common_append_n(size_t csize, Eina_Strbuf *buf, const void *str, size_t len, size_t maxlen)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(str, EINA_FALSE);
if (len > maxlen) len = maxlen;
if (EINA_UNLIKELY(!_eina_strbuf_common_grow(csize, buf, buf->len + len)))
return EINA_FALSE;
memcpy(buf->buf + (buf->len * csize), str, len * csize);
buf->len += len;
memset(buf->buf + (buf->len * csize), 0, csize);
return EINA_TRUE;
}
/**
* @brief Append a string of exact length to a buffer, reallocating as necessary.
*
* @param buf The string buffer to append to.
* @param str The string to append.
* @param length The exact length to use.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function appends @p str to @p buf. @p str must be of size at
* most @p length. It is slightly faster than eina_strbuf_common_append() as
* it does not compute the size of @p str. It is useful when dealing
* with strings of known size, such as eina_strngshare. If @p buf
* can't append it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
* returned.
*
* @see eina_stringshare_length()
* @see eina_strbuf_common_append()
* @see eina_strbuf_common_append_n()
*/
Eina_Bool
eina_strbuf_common_append_length(size_t csize, Eina_Strbuf *buf, const void *str, size_t length)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(str, EINA_FALSE);
if (EINA_UNLIKELY(!_eina_strbuf_common_grow(csize, buf, buf->len + length)))
return EINA_FALSE;
memcpy(buf->buf + (buf->len * csize), str, length * csize);
buf->len += length;
memset(buf->buf + (buf->len * csize), 0, csize);
return EINA_TRUE;
}
/**
* @brief Insert a string to a buffer, reallocating as necessary.
*
* @param buf The string buffer to insert.
* @param str The string to insert.
* @param pos The position to insert the string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p str to @p buf at position @p pos. It
* computes the length of @p str, so is slightly slower than
* eina_strbuf_common_insert_length(). If the length is known beforehand,
* consider using that variant. If @p buf can't insert it, #EINA_FALSE
* is returned, otherwise #EINA_TRUE is returned.
*/
Eina_Bool
eina_strbuf_common_insert(size_t csize, Eina_Strbuf *buf, const void *str, size_t len, size_t pos)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(str, EINA_FALSE);
if (pos >= buf->len)
return eina_strbuf_common_append(csize, buf, str, len);
return _eina_strbuf_common_insert_length(csize, buf, str, len, pos);
}
/**
* @brief Insert a string to a buffer, reallocating as necessary. Limited by maxlen.
*
* @param buf The string buffer to insert to.
* @param str The string to insert.
* @param maxlen The maximum number of chars to insert.
* @param pos The position to insert the string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p str ot @p buf at position @p pos, with at
* most @p maxlen bytes. The number of inserted characters can not be
* greater than the length of @p str. It computes the length of
* @p str, so is slightly slower than eina_strbuf_common_insert_length(). If the
* length is known beforehand, consider using that variant (@p maxlen
* should then be checked so that it is greater than the size of
* @p str). If @p str can not be inserted, #EINA_FALSE is returned,
* otherwise, #EINA_TRUE is returned.
*/
Eina_Bool
eina_strbuf_common_insert_n(size_t csize, Eina_Strbuf *buf, const void *str, size_t len, size_t maxlen, size_t pos)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(str, EINA_FALSE);
if (pos >= buf->len)
return eina_strbuf_common_append_n(csize, buf, str, len, maxlen);
if (len > maxlen) len = maxlen;
return _eina_strbuf_common_insert_length(csize, buf, str, len, pos);
}
/**
* @brief Insert a string of exact length to a buffer, reallocating as necessary.
*
* @param buf The string buffer to insert to.
* @param str The string to insert.
* @param length The exact length to use.
* @param pos The position to insert the string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p str to @p buf. @p str must be of size at
* most @p length. It is slightly faster than eina_strbuf_common_insert() as
* it does not compute the size of @p str. It is useful when dealing
* with strings of known size, such as eina_strngshare. If @p buf
* can't insert it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
* returned.
*
* @see eina_stringshare_length()
* @see eina_strbuf_common_insert()
* @see eina_strbuf_common_insert_n()
*/
Eina_Bool
eina_strbuf_common_insert_length(size_t csize, Eina_Strbuf *buf, const void *str, size_t length, size_t pos)
{
EINA_SAFETY_ON_NULL_RETURN_VAL(str, EINA_FALSE);
if (pos >= buf->len)
return eina_strbuf_common_append_length(csize, buf, str, length);
return _eina_strbuf_common_insert_length(csize, buf, str, length, pos);
}
/**
* @brief Append a character to a string buffer, reallocating as
* necessary.
*
* @param buf The string buffer to append to.
* @param c The char to append.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p c to @p buf. If it can not insert it,
* #EINA_FALSE is returned, otherwise #EINA_TRUE is returned.
*/
Eina_Bool
eina_strbuf_common_append_char(size_t csize, Eina_Strbuf *buf, const void *c)
{
if (EINA_UNLIKELY(!_eina_strbuf_common_grow(csize, buf, buf->len + 1)))
return EINA_FALSE;
memcpy(buf->buf + ((buf->len)++ * csize), c, csize);
memset(buf->buf + (buf->len * csize), 0, csize);
return EINA_TRUE;
}
/**
* @brief Insert a character to a string buffer, reallocating as
* necessary.
*
* @param buf The string buffer to insert to.
* @param c The char to insert.
* @param pos The position to insert the char.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function inserts @p c to @p buf at position @p pos. If @p buf
* can't append it, #EINA_FALSE is returned, otherwise #EINA_TRUE is
* returned.
*/
Eina_Bool
eina_strbuf_common_insert_char(size_t csize, Eina_Strbuf *buf, const void *c, size_t pos)
{
if (pos >= buf->len)
return eina_strbuf_common_append_char(csize, buf, c);
return _eina_strbuf_common_insert_length(csize, buf, c, 1, pos);
}
/**
* @brief Remove a slice of the given string buffer.
*
* @param buf The string buffer to remove a slice.
* @param start The initial (inclusive) slice position to start
* removing, in bytes.
* @param end The final (non-inclusive) slice position to finish
* removing, in bytes.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function removes a slice of @p buf, starting at @p start
* (inclusive) and ending at @p end (non-inclusive). Both values are
* in bytes. It returns #EINA_FALSE on failure, #EINA_TRUE otherwise.
*/
Eina_Bool
eina_strbuf_common_remove(size_t csize, Eina_Strbuf *buf, size_t start, size_t end)
{
size_t remove_len, tail_len;
if (end >= buf->len)
end = buf->len;
if (end <= start)
return EINA_TRUE;
remove_len = end - start;
if (remove_len == buf->len)
{
free(buf->buf);
return _eina_strbuf_common_init(csize, buf);
}
tail_len = buf->len - end + 1; /* includes '\0' */
memmove(buf->buf + (start * csize), buf->buf + (end * csize), tail_len * csize);
buf->len -= remove_len;
return _eina_strbuf_common_resize(csize, buf, buf->len);
}
/**
* @brief Retrieve a pointer to the contents of a string buffer
*
* @param buf The string buffer.
* @return The current string in the string buffer.
*
* This function returns the string contained in @p buf. The returned
* value must not be modified and will no longer be valid if @p buf is
* modified. In other words, any eina_strbuf_common_append() or similar will
* make that pointer invalid.
*
* @see eina_strbuf_common_string_steal()
*/
const void *
eina_strbuf_common_string_get(const Eina_Strbuf *buf)
{
return buf->buf;
}
/**
* @brief Steal the contents of a string buffer.
*
* @param buf The string buffer to steal.
* @return The current string in the string buffer.
*
* This function returns the string contained in @p buf. @p buf is
* then initialized and does not own the returned string anymore. The
* caller must release the memory of the returned string by calling
* free().
*
* @see eina_strbuf_common_string_get()
*/
void *
eina_strbuf_common_string_steal(size_t csize, Eina_Strbuf *buf)
{
void *ret;
ret = buf->buf;
// TODO: Check return value and do something clever
_eina_strbuf_common_init(csize, buf);
return ret;
}
/**
* @brief Free the contents of a string buffer but not the buffer.
*
* @param buf The string buffer to free the string of.
*
* This function frees the string contained in @p buf without freeing
* @p buf.
*/
void
eina_strbuf_common_string_free(size_t csize, Eina_Strbuf *buf)
{
free(buf->buf);
_eina_strbuf_common_init(csize, buf);
}
/**
* @brief Retrieve the length of the string buffer content.
*
* @param buf The string buffer.
* @return The current length of the string, in bytes.
*
* This function returns the length of @p buf.
*/
size_t
eina_strbuf_common_length_get(const Eina_Strbuf *buf)
{
return buf->len;
}
/**
* @endcond
*/
/**
* @addtogroup Eina_Data_Types_Group Data Types
*
* @{
*/
/**
* @addtogroup Eina_String_Buffer_Group String Buffer
*
* @brief These functions provide string buffers management.
*
* The String Buffer data type is designed to be a mutable string,
* allowing to append, prepend or insert a string to a buffer.
*
* @{
*/
/*FIXME: Implementing them here is a hack! */
#define _STRBUF_CSIZE 1
#define _STRBUF_MAGIC EINA_MAGIC_STRBUF
static const char _STRBUF_MAGIC_STR[] = "Eina Strbuf";
/**
* @ brief Replace the n-th string with an other string.
*
* @param buf The string buffer to work with.
* @param str The string to replace.
* @param with The replaceing string.
* @param n The number of the fitting string.
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function replaces the n-th occurence of @p str in @p buf with
* @p with. It returns #EINA_FALSE on failure, #EINA_TRUE otherwise.
*/
EAPI Eina_Bool
eina_strbuf_replace(Eina_Strbuf *buf, const char *str, const char *with, unsigned int n)
{
size_t len1, len2;
char *spos;
size_t pos;
EINA_SAFETY_ON_NULL_RETURN_VAL(str, EINA_FALSE);
EINA_SAFETY_ON_NULL_RETURN_VAL(with, EINA_FALSE);
EINA_MAGIC_CHECK_STRBUF(buf, 0);
if (n == 0)
return EINA_FALSE;
spos = buf->buf;
while (n--)
{
spos = strstr(spos, str);
if (!spos || *spos == '\0')
return EINA_FALSE;
if (n) spos++;
}
pos = spos - (const char *) buf->buf;
len1 = strlen(str);
len2 = strlen(with);
if (len1 != len2)
{
/* resize the buffer if necessary */
if (EINA_UNLIKELY(!_eina_strbuf_common_grow(_STRBUF_CSIZE, buf, buf->len - len1 + len2)))
return EINA_FALSE;
/* move the existing text */
memmove(buf->buf + pos + len2, buf->buf + pos + len1,
buf->len - pos - len1);
}
/* and now insert the given string */
memcpy(buf->buf + pos, with, len2);
buf->len += len2 - len1;
memset((char *) buf->buf + buf->len, 0, 1);
return EINA_TRUE;
}
/**
* @brief Replace all strings with an other string.
* @param buf the string buffer to work with.
* @param str The string to replace.
* @param with The replaceing string.
* @return How often the string was replaced.
*
* This function replaces all the occurences of @p str in @ buf with
* the string @p with. This function returns the number of times @p str
* has been replaced. On failure, it returns 0.
*/
EAPI int
eina_strbuf_replace_all(Eina_Strbuf *buf, const char *str, const char *with)
{
size_t len1, len2, len;
char *tmp_buf = NULL;
char *spos;
size_t pos, start;
size_t pos_tmp, start_tmp;
int n = 0;
EINA_SAFETY_ON_NULL_RETURN_VAL(str, 0);
EINA_SAFETY_ON_NULL_RETURN_VAL(with, 0);
EINA_MAGIC_CHECK_STRBUF(buf, 0);
spos = strstr(buf->buf, str);
if (!spos || *spos == '\0')
return 0;
len1 = strlen(str);
len2 = strlen(with);
/* if the size of the two string is equal, it is fairly easy to replace them
* we don't need to resize the buffer or doing other calculations */
if (len1 == len2)
{
while (spos)
{
memcpy(spos, with, len2);
spos = strstr(spos + len2, str);
n++;
}
return n;
}
pos = pos_tmp = spos - (const char *) buf->buf;
tmp_buf = buf->buf;
buf->buf = malloc(buf->size);
if (EINA_UNLIKELY(!buf->buf))
{
buf->buf = tmp_buf;
return 0;
}
start = start_tmp = 0;
len = buf->len;
while (spos)
{
n++;
len = (len + len2) - len1;
/* resize the buffer if necessary */
if (EINA_UNLIKELY(!_eina_strbuf_common_grow(_STRBUF_CSIZE, buf, len)))
{
/* we have to stop replacing here, because we haven't enough
* memory to go on */
len = (len + len1) - len2;
break;
}
/* copy the untouched text */
memcpy(buf->buf + start, tmp_buf + start_tmp, pos - start);
/* copy the new string */
memcpy(buf->buf + pos, with, len2);
/* calculate the next positions */
start_tmp = pos_tmp + len1;
start = pos + len2;
spos = strstr(tmp_buf + start_tmp, str);
/* this calculations don't make sense if spos == NULL, but the
* calculated values won't be used, because the loop will stop
* then */
pos_tmp = spos - tmp_buf;
pos = start + pos_tmp - start_tmp;
}
/* and now copy the rest of the text */
memcpy(buf->buf + start, tmp_buf + start_tmp, len - start);
buf->len = len;
memset((char *) buf->buf + buf->len, 0, 1);
free(tmp_buf);
return n;
}
/**
* @}
*/
/**
* @}
*/

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#ifndef EINA_STRBUF_COMMON_H
#define EINA_STRBUF_COMMON_H
#include <Eina.h>
#include "eina_private.h"
#include "eina_magic.h"
struct _Eina_Strbuf
{
void *buf;
size_t len;
size_t size;
size_t step;
EINA_MAGIC
};
#define EINA_MAGIC_CHECK_STRBUF(d, ...) \
do { \
if (!EINA_MAGIC_CHECK((d), _STRBUF_MAGIC)) \
{ \
EINA_MAGIC_FAIL((d), _STRBUF_MAGIC); \
return __VA_ARGS__; \
} \
} while (0)
Eina_Bool
eina_strbuf_common_init(void);
Eina_Bool
eina_strbuf_common_shutdown(void);
Eina_Strbuf *
eina_strbuf_common_new(size_t csize);
void
eina_strbuf_common_free(Eina_Strbuf *buf);
void
eina_strbuf_common_reset(size_t csize, Eina_Strbuf *buf);
Eina_Bool
eina_strbuf_common_append(size_t csize, Eina_Strbuf *buf, const void *str, size_t len);
Eina_Bool
eina_strbuf_common_append_escaped(size_t csize, Eina_Strbuf *buf, const void *str);
Eina_Bool
eina_strbuf_common_append_n(size_t csize, Eina_Strbuf *buf, const void *str, size_t len, size_t maxlen);
Eina_Bool
eina_strbuf_common_append_length(size_t csize, Eina_Strbuf *buf, const void *str, size_t length);
Eina_Bool
eina_strbuf_common_insert(size_t csize, Eina_Strbuf *buf, const void *str, size_t len, size_t pos);
Eina_Bool
eina_strbuf_common_insert_escaped(size_t csize, Eina_Strbuf *buf, const void *str,
size_t len, size_t pos);
Eina_Bool
eina_strbuf_common_insert_n(size_t csize, Eina_Strbuf *buf, const void *str, size_t len, size_t maxlen, size_t pos);
Eina_Bool
eina_strbuf_common_insert_length(size_t csize, Eina_Strbuf *buf, const void *str, size_t length, size_t pos);
Eina_Bool
eina_strbuf_common_append_char(size_t csize, Eina_Strbuf *buf, const void *c);
Eina_Bool
eina_strbuf_common_insert_char(size_t csize, Eina_Strbuf *buf, const void *c, size_t pos);
Eina_Bool
eina_strbuf_common_remove(size_t csize, Eina_Strbuf *buf, size_t start, size_t end);
const void *
eina_strbuf_common_string_get(const Eina_Strbuf *buf);
void *
eina_strbuf_common_string_steal(size_t csize, Eina_Strbuf *buf);
void
eina_strbuf_common_string_free(size_t csize, Eina_Strbuf *buf);
size_t
eina_strbuf_common_length_get(const Eina_Strbuf *buf);
Eina_Bool
_eina_strbuf_common_grow(size_t csize, Eina_Strbuf *buf, size_t size);
/**
* @}
*/
#endif

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/*
* vim:ts=8:sw=3:sts=8:noexpandtab:cino=>5n-3f0^-2{2
*/
/* This file should be included from files implementing strbuf. The including file
* should define the following macros:
* _STRBUF_DATA_TYPE
* _STRBUF_CSIZE
* _STRBUF_STRUCT_NAME
* _STRBUF_STRLEN_FUNC(x)
* _STRBUF_STRESCAPE_FUNC(x)
* _STRBUF_STRSTR_FUNC(x, y)
* _STRBUF_MAGIC
* _STRBUF_MAGIC_STR
* See how it's done in eina_ustrbuf.c and eina_strbuf.c. This just makes things
* a lot easier since those are essentially the same just with different sizes.
*/
#ifndef EINA_STRBUF_TEMPLATE_C_I
#define EINA_STRBUF_TEMPLATE_C_I
#include <Eina.h>
#include "eina_strbuf_common.h"
#include "eina_unicode.h"
/**
* @internal
* @brief Initialize the strbuf module.
*
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function sets up the strbuf module of Eina. It is called by
* eina_init().
*
* @see eina_init()
*/
Eina_Bool
_FUNC_EXPAND(init)(void)
{
eina_magic_string_static_set(_STRBUF_MAGIC, _STRBUF_MAGIC_STR);
return eina_strbuf_common_init();
}
/**
* @internal
* @brief Shut down the strbuf module.
*
* @return #EINA_TRUE on success, #EINA_FALSE on failure.
*
* This function shuts down the strbuf module set up by
* eina_ustrbuf_init(). It is called by eina_shutdown().
*
* @see eina_shutdown()
*/
Eina_Bool
_FUNC_EXPAND(shutdown)(void)
{
return eina_strbuf_common_shutdown();
}
/**
* @endcond
*/
/*============================================================================*
* API *
*============================================================================*/
EAPI _STRBUF_STRUCT_NAME *
_FUNC_EXPAND(new)(void)
{
_STRBUF_STRUCT_NAME *buf = eina_strbuf_common_new(_STRBUF_CSIZE);
EINA_MAGIC_SET(buf, _STRBUF_MAGIC);
return buf;
}
EAPI void
_FUNC_EXPAND(free)(_STRBUF_STRUCT_NAME *buf)
{
EINA_MAGIC_CHECK_STRBUF(buf);
EINA_MAGIC_SET(buf, EINA_MAGIC_NONE);
eina_strbuf_common_free(buf);
}
EAPI void
_FUNC_EXPAND(reset)(_STRBUF_STRUCT_NAME *buf)
{
EINA_MAGIC_CHECK_STRBUF(buf);
eina_strbuf_common_reset(_STRBUF_CSIZE, buf);
}
EAPI Eina_Bool
_FUNC_EXPAND(append)(_STRBUF_STRUCT_NAME *buf, const _STRBUF_DATA_TYPE *str)
{
EINA_MAGIC_CHECK_STRBUF(buf, EINA_FALSE);
return eina_strbuf_common_append(_STRBUF_CSIZE, buf, (const void *) str, _STRBUF_STRLEN_FUNC(str));
}
EAPI Eina_Bool
_FUNC_EXPAND(append_escaped)(_STRBUF_STRUCT_NAME *buf, const _STRBUF_DATA_TYPE *str)
{
_STRBUF_DATA_TYPE *esc;
Eina_Bool ret;
EINA_MAGIC_CHECK_STRBUF(buf, EINA_FALSE);
esc = _STRBUF_STRESCAPE_FUNC(str);
if (!esc) {
return _FUNC_EXPAND(append)(buf, str);
}
ret = _FUNC_EXPAND(append)(buf, esc);
if (esc)
free(esc);
return ret;
}
EAPI Eina_Bool
_FUNC_EXPAND(append_n)(_STRBUF_STRUCT_NAME *buf, const _STRBUF_DATA_TYPE *str, size_t maxlen)
{
EINA_MAGIC_CHECK_STRBUF(buf, EINA_FALSE);
return eina_strbuf_common_append_n(_STRBUF_CSIZE, buf, (const void *) str, _STRBUF_STRLEN_FUNC(str), maxlen);
}
EAPI Eina_Bool
_FUNC_EXPAND(append_length)(_STRBUF_STRUCT_NAME *buf, const _STRBUF_DATA_TYPE *str, size_t length)
{
EINA_MAGIC_CHECK_STRBUF(buf, EINA_FALSE);
return eina_strbuf_common_append_length(_STRBUF_CSIZE, buf, (const void *) str, length);
}
EAPI Eina_Bool
_FUNC_EXPAND(insert)(_STRBUF_STRUCT_NAME *buf, const _STRBUF_DATA_TYPE *str, size_t pos)
{
EINA_MAGIC_CHECK_STRBUF(buf, EINA_FALSE);
return eina_strbuf_common_insert(_STRBUF_CSIZE, buf, (const void *) str, _STRBUF_STRLEN_FUNC(str), pos);
}
EAPI Eina_Bool
_FUNC_EXPAND(insert_escaped)(_STRBUF_STRUCT_NAME *buf, const _STRBUF_DATA_TYPE *str, size_t pos)
{
_STRBUF_DATA_TYPE *esc;
Eina_Bool ret;
EINA_MAGIC_CHECK_STRBUF(buf, EINA_FALSE);
esc = _STRBUF_STRESCAPE_FUNC(str);
if (!esc) {
return _FUNC_EXPAND(insert)(buf, str, pos);
}
ret = _FUNC_EXPAND(insert)(buf, esc, pos);
if (esc)
free(esc);
return ret;
}
EAPI Eina_Bool
_FUNC_EXPAND(insert_n)(_STRBUF_STRUCT_NAME *buf, const _STRBUF_DATA_TYPE *str, size_t maxlen, size_t pos)
{
EINA_MAGIC_CHECK_STRBUF(buf, EINA_FALSE);
return eina_strbuf_common_insert_n(_STRBUF_CSIZE, buf, (const void *) str, _STRBUF_STRLEN_FUNC(str), maxlen, pos);
}
EAPI Eina_Bool
_FUNC_EXPAND(insert_length)(_STRBUF_STRUCT_NAME *buf, const _STRBUF_DATA_TYPE *str, size_t length, size_t pos)
{
EINA_MAGIC_CHECK_STRBUF(buf, EINA_FALSE);
return eina_strbuf_common_insert_length(_STRBUF_CSIZE, buf, (const void *) str, length, pos);
}
EAPI Eina_Bool
_FUNC_EXPAND(append_char)(_STRBUF_STRUCT_NAME *buf, _STRBUF_DATA_TYPE c)
{
EINA_MAGIC_CHECK_STRBUF(buf, EINA_FALSE);
return eina_strbuf_common_append_char(_STRBUF_CSIZE, buf, (const void *) &c);
}
EAPI Eina_Bool
_FUNC_EXPAND(insert_char)(_STRBUF_STRUCT_NAME *buf, _STRBUF_DATA_TYPE c, size_t pos)
{
EINA_MAGIC_CHECK_STRBUF(buf, EINA_FALSE);
return eina_strbuf_common_insert_char(_STRBUF_CSIZE, buf, (const void *) &c, pos);
}
EAPI Eina_Bool
_FUNC_EXPAND(remove)(_STRBUF_STRUCT_NAME *buf, size_t start, size_t end)
{
EINA_MAGIC_CHECK_STRBUF(buf, EINA_FALSE);
return eina_strbuf_common_remove(_STRBUF_CSIZE, buf, start, end);
}
EAPI const _STRBUF_DATA_TYPE *
_FUNC_EXPAND(string_get)(const _STRBUF_STRUCT_NAME *buf)
{
EINA_MAGIC_CHECK_STRBUF(buf, NULL);
return (const _STRBUF_DATA_TYPE *) eina_strbuf_common_string_get(buf);
}
EAPI _STRBUF_DATA_TYPE *
_FUNC_EXPAND(string_steal)(_STRBUF_STRUCT_NAME *buf)
{
EINA_MAGIC_CHECK_STRBUF(buf, NULL);
return (_STRBUF_DATA_TYPE *) eina_strbuf_common_string_steal(_STRBUF_CSIZE, buf);
}
EAPI void
_FUNC_EXPAND(string_free)(_STRBUF_STRUCT_NAME *buf)
{
EINA_MAGIC_CHECK_STRBUF(buf);
eina_strbuf_common_string_free(_STRBUF_CSIZE, buf);
}
EAPI size_t
_FUNC_EXPAND(length_get)(const _STRBUF_STRUCT_NAME *buf)
{
EINA_MAGIC_CHECK_STRBUF(buf, 0);
return eina_strbuf_common_length_get(buf);
}
#else
#error Something went terribly wrong, shouldnt be included twice!
#endif

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#include "eina_strbuf_common.h"
#include "eina_unicode.h"
#include "eina_ustrbuf.h"
#define _STRBUF_DATA_TYPE Eina_Unicode
#define _STRBUF_CSIZE sizeof(_STRBUF_DATA_TYPE)
#define _STRBUF_STRUCT_NAME Eina_UStrbuf
#define _STRBUF_STRLEN_FUNC(x) eina_unicode_strlen(x)
#define _STRBUF_STRESCAPE_FUNC(x) eina_unicode_escape(x)
#define _STRBUF_MAGIC EINA_MAGIC_USTRBUF
static const char _STRBUF_MAGIC_STR[] = "Eina UStrbuf";
#define _FUNC_EXPAND(y) eina_ustrbuf_##y
#include "eina_strbuf_template_c.i"