You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
287 lines
12 KiB
287 lines
12 KiB
/***************************************************************************************************
|
|
|
|
Zyan Core Library (Zycore-C)
|
|
|
|
Original Author : Florian Bernd
|
|
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in all
|
|
* copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
|
|
* SOFTWARE.
|
|
|
|
***************************************************************************************************/
|
|
|
|
/**
|
|
* @file
|
|
* Provides helper functions for performant number to string conversion.
|
|
*/
|
|
|
|
#ifndef ZYCORE_FORMAT_H
|
|
#define ZYCORE_FORMAT_H
|
|
|
|
#include <ZycoreExportConfig.h>
|
|
#include <Zycore/Status.h>
|
|
#include <Zycore/String.h>
|
|
#include <Zycore/Types.h>
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
|
|
/* ============================================================================================== */
|
|
/* Exported functions */
|
|
/* ============================================================================================== */
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
/* Helpers */
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
/**
|
|
* Get the absolute value of a 64 bit int.
|
|
*
|
|
* @param x The value to process.
|
|
* @return The absolute, unsigned value.
|
|
*
|
|
* This gracefully deals with the special case of `x` being `INT_MAX`.
|
|
*/
|
|
ZYAN_INLINE ZyanU64 ZyanAbsI64(ZyanI64 x)
|
|
{
|
|
// INT_MIN special case. Can't use the value directly because GCC thinks
|
|
// it's too big for an INT64 literal, however is perfectly happy to accept
|
|
// this expression. This is also hit INT64_MIN is defined in `stdint.h`.
|
|
if (x == (-0x7fffffffffffffff - 1))
|
|
{
|
|
return 0x8000000000000000u;
|
|
}
|
|
|
|
return (ZyanU64)(x < 0 ? -x : x);
|
|
}
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
/* Insertion */
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
/**
|
|
* Inserts formatted text in the destination string at the given `index`.
|
|
*
|
|
* @param string The destination string.
|
|
* @param index The insert index.
|
|
* @param format The format string.
|
|
* @param ... The format arguments.
|
|
*
|
|
* @return A zyan status code.
|
|
*
|
|
* This function will fail, if the `ZYAN_STRING_IS_IMMUTABLE` flag is set for the specified
|
|
* `ZyanString` instance.
|
|
*/
|
|
ZYAN_PRINTF_ATTR(3, 4)
|
|
ZYCORE_EXPORT ZyanStatus ZyanStringInsertFormat(ZyanString* string, ZyanUSize index,
|
|
const char* format, ...);
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
/**
|
|
* Formats the given unsigned ordinal `value` to its decimal text-representation and
|
|
* inserts it to the `string`.
|
|
*
|
|
* @param string A pointer to the `ZyanString` instance.
|
|
* @param index The insert index.
|
|
* @param value The value.
|
|
* @param padding_length Padds the converted value with leading zeros, if the number of chars is
|
|
* less than the `padding_length`.
|
|
*
|
|
* @return A zyan status code.
|
|
*
|
|
* This function will fail, if the `ZYAN_STRING_IS_IMMUTABLE` flag is set for the specified
|
|
* `ZyanString` instance.
|
|
*/
|
|
ZYCORE_EXPORT ZyanStatus ZyanStringInsertDecU(ZyanString* string, ZyanUSize index, ZyanU64 value,
|
|
ZyanU8 padding_length);
|
|
|
|
/**
|
|
* Formats the given signed ordinal `value` to its decimal text-representation and
|
|
* inserts it to the `string`.
|
|
*
|
|
* @param string A pointer to the `ZyanString` instance.
|
|
* @param index The insert index.
|
|
* @param value The value.
|
|
* @param padding_length Padds the converted value with leading zeros, if the number of chars is
|
|
* less than the `padding_length`.
|
|
* @param force_sign Set `ZYAN_TRUE`, to force printing of the `+` sign for positive numbers.
|
|
* @param prefix The string to use as prefix or `ZYAN_NULL`, if not needed.
|
|
*
|
|
* @return A zyan status code.
|
|
*
|
|
* This function will fail, if the `ZYAN_STRING_IS_IMMUTABLE` flag is set for the specified
|
|
* `ZyanString` instance.
|
|
*/
|
|
ZYCORE_EXPORT ZyanStatus ZyanStringInsertDecS(ZyanString* string, ZyanUSize index, ZyanI64 value,
|
|
ZyanU8 padding_length, ZyanBool force_sign, const ZyanString* prefix);
|
|
|
|
/**
|
|
* Formats the given unsigned ordinal `value` to its hexadecimal text-representation and
|
|
* inserts it to the `string`.
|
|
*
|
|
* @param string A pointer to the `ZyanString` instance.
|
|
* @param index The insert index.
|
|
* @param value The value.
|
|
* @param padding_length Padds the converted value with leading zeros, if the number of chars is
|
|
* less than the `padding_length`.
|
|
* @param uppercase Set `ZYAN_TRUE` to use uppercase letters ('A'-'F') instead of lowercase
|
|
* ones ('a'-'f').
|
|
*
|
|
* @return A zyan status code.
|
|
*
|
|
* This function will fail, if the `ZYAN_STRING_IS_IMMUTABLE` flag is set for the specified
|
|
* `ZyanString` instance.
|
|
*/
|
|
ZYCORE_EXPORT ZyanStatus ZyanStringInsertHexU(ZyanString* string, ZyanUSize index, ZyanU64 value,
|
|
ZyanU8 padding_length, ZyanBool uppercase);
|
|
|
|
/**
|
|
* Formats the given signed ordinal `value` to its hexadecimal text-representation and
|
|
* inserts it to the `string`.
|
|
*
|
|
* @param string A pointer to the `ZyanString` instance.
|
|
* @param index The insert index.
|
|
* @param value The value.
|
|
* @param padding_length Padds the converted value with leading zeros, if the number of chars is
|
|
* less than the `padding_length`.
|
|
* @param uppercase Set `ZYAN_TRUE` to use uppercase letters ('A'-'F') instead of lowercase
|
|
* ones ('a'-'f').
|
|
* @param force_sign Set `ZYAN_TRUE`, to force printing of the `+` sign for positive numbers.
|
|
* @param prefix The string to use as prefix or `ZYAN_NULL`, if not needed.
|
|
*
|
|
* @return A zyan status code.
|
|
*
|
|
* This function will fail, if the `ZYAN_STRING_IS_IMMUTABLE` flag is set for the specified
|
|
* `ZyanString` instance.
|
|
*/
|
|
ZYCORE_EXPORT ZyanStatus ZyanStringInsertHexS(ZyanString* string, ZyanUSize index, ZyanI64 value,
|
|
ZyanU8 padding_length, ZyanBool uppercase, ZyanBool force_sign, const ZyanString* prefix);
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
/* Appending */
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
#ifndef ZYAN_NO_LIBC
|
|
|
|
/**
|
|
* Appends formatted text to the destination string.
|
|
*
|
|
* @param string The destination string.
|
|
* @param format The format string.
|
|
* @param ... The format arguments.
|
|
*
|
|
* @return A zyan status code.
|
|
*
|
|
* This function will fail, if the `ZYAN_STRING_IS_IMMUTABLE` flag is set for the specified
|
|
* `ZyanString` instance.
|
|
*/
|
|
ZYAN_PRINTF_ATTR(2, 3)
|
|
ZYCORE_EXPORT ZYAN_REQUIRES_LIBC ZyanStatus ZyanStringAppendFormat(
|
|
ZyanString* string, const char* format, ...);
|
|
|
|
#endif // ZYAN_NO_LIBC
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
/**
|
|
* Formats the given unsigned ordinal `value` to its decimal text-representation and
|
|
* appends it to the `string`.
|
|
*
|
|
* @param string A pointer to the `ZyanString` instance.
|
|
* @param value The value.
|
|
* @param padding_length Padds the converted value with leading zeros, if the number of chars is
|
|
* less than the `padding_length`.
|
|
*
|
|
* @return A zyan status code.
|
|
*
|
|
* This function will fail, if the `ZYAN_STRING_IS_IMMUTABLE` flag is set for the specified
|
|
* `ZyanString` instance.
|
|
*/
|
|
ZYCORE_EXPORT ZyanStatus ZyanStringAppendDecU(ZyanString* string, ZyanU64 value,
|
|
ZyanU8 padding_length);
|
|
|
|
/**
|
|
* Formats the given signed ordinal `value` to its decimal text-representation and
|
|
* appends it to the `string`.
|
|
*
|
|
* @param string A pointer to the `ZyanString` instance.
|
|
* @param value The value.
|
|
* @param padding_length Padds the converted value with leading zeros, if the number of chars is
|
|
* less than the `padding_length`.
|
|
* @param force_sign Set `ZYAN_TRUE`, to force printing of the `+` sign for positive numbers.
|
|
* @param prefix The string to use as prefix or `ZYAN_NULL`, if not needed.
|
|
*
|
|
* @return A zyan status code.
|
|
*
|
|
* This function will fail, if the `ZYAN_STRING_IS_IMMUTABLE` flag is set for the specified
|
|
* `ZyanString` instance.
|
|
*/
|
|
ZYCORE_EXPORT ZyanStatus ZyanStringAppendDecS(ZyanString* string, ZyanI64 value,
|
|
ZyanU8 padding_length, ZyanBool force_sign, const ZyanStringView* prefix);
|
|
|
|
/**
|
|
* Formats the given unsigned ordinal `value` to its hexadecimal text-representation and
|
|
* appends it to the `string`.
|
|
*
|
|
* @param string A pointer to the `ZyanString` instance.
|
|
* @param value The value.
|
|
* @param padding_length Padds the converted value with leading zeros, if the number of chars is
|
|
* less than the `padding_length`.
|
|
* @param uppercase Set `ZYAN_TRUE` to use uppercase letters ('A'-'F') instead of lowercase
|
|
* ones ('a'-'f').
|
|
*
|
|
* @return A zyan status code.
|
|
*
|
|
* This function will fail, if the `ZYAN_STRING_IS_IMMUTABLE` flag is set for the specified
|
|
* `ZyanString` instance.
|
|
*/
|
|
ZYCORE_EXPORT ZyanStatus ZyanStringAppendHexU(ZyanString* string, ZyanU64 value,
|
|
ZyanU8 padding_length, ZyanBool uppercase);
|
|
|
|
/**
|
|
* Formats the given signed ordinal `value` to its hexadecimal text-representation and
|
|
* appends it to the `string`.
|
|
*
|
|
* @param string A pointer to the `ZyanString` instance.
|
|
* @param value The value.
|
|
* @param padding_length Padds the converted value with leading zeros, if the number of chars is
|
|
* less than the `padding_length`.
|
|
* @param uppercase Set `ZYAN_TRUE` to use uppercase letters ('A'-'F') instead of lowercase
|
|
* ones ('a'-'f').
|
|
* @param force_sign Set `ZYAN_TRUE`, to force printing of the `+` sign for positive numbers.
|
|
* @param prefix The string to use as prefix or `ZYAN_NULL`, if not needed.
|
|
*
|
|
* @return A zyan status code.
|
|
*
|
|
* This function will fail, if the `ZYAN_STRING_IS_IMMUTABLE` flag is set for the specified
|
|
* `ZyanString` instance.
|
|
*/
|
|
ZYCORE_EXPORT ZyanStatus ZyanStringAppendHexS(ZyanString* string, ZyanI64 value,
|
|
ZyanU8 padding_length, ZyanBool uppercase, ZyanBool force_sign, const ZyanStringView* prefix);
|
|
|
|
/* ---------------------------------------------------------------------------------------------- */
|
|
|
|
/* ============================================================================================== */
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif // ZYCORE_FORMAT_H
|