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/*
Copyright 2020, Dirk Krause. All rights reserved.
SPDX-License-Identifier: BSD-3-Clause
*/
#ifndef UC2L_H_INCLUDED
/** Protection against multiple inclusions. */
#define UC2L_H_INCLUDED 1
/** @file uc2l.h Prototypes for functions shared between
dk4uc2l and dk4uc2la modules.
*/
#ifndef DK4CONF_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4conf.h"
#else
#include <dktools-4/dk4conf.h>
#endif
#endif
#ifndef DK4UC2L_H_INCLUDED
#if DK4_BUILDING_DKTOOLS4
#include "dk4uc2l.h"
#else
#include <dktools-4/dk4uc2l.h>
#endif
#endif
#ifdef __cplusplus
extern "C" {
#endif
/** Open range structure.
@param c32 Initial start and end of range.
@param fptr File the range is loaded from.
@param erp Error report, may be NULL.
@return Valid pointer on success, NULL on error.
*/
dk4_uc2l_range_t *
dk4uc2l_i_open_range(
dk4_c32_t c32,
dk4_uc2l_file_t *fptr,
dk4_er_t *erp
);
/** Close a range, releasse resources.
@param rptr Range to close.
*/
void
dk4uc2l_i_close_range(dk4_uc2l_range_t *rptr);
/** Allocate a file structure and resources.
@param fn File name.
@param erp Error report, may be NULL.
@return Valid pointer on success, NULL on error.
*/
dk4_uc2l_file_t *
dk4uc2l_i_open_file(const dkChar *fn, dk4_er_t *erp);
/** Close a file structure, release resources.
@param fptr File structure to close.
*/
void
dk4uc2l_i_close_file(dk4_uc2l_file_t *fptr);
/** Open a package structure, allocate resources.
@param pn Package name.
@param erp Error report, may be NULL.
@return Valid pointer on success, NULL on error.
*/
dk4_uc2l_pkg_t *
dk4uc2l_i_open_pkg(const char *pn, dk4_er_t *erp);
/** Create package structure and add to storage.
@param s_pkgs Storage containing all package structures.
@param pname Name of new package.
@return Valid pointer to new package structure on success, NULL on error.
*/
dk4_uc2l_pkg_t *
dk4uc2l_i_create_pkg(
dk4_sto_t *s_pkgs,
const char *pname
);
/** Close a package, release resources.
@param pptr Package to close.
*/
void
dk4uc2l_i_close_pkg(dk4_uc2l_pkg_t *pptr);
/** Allocate memory for conversion struct and components.
@param dn Directory name for conversion struct.
@param erp Error report, may be NULL.
@return Valid pointer on success, NULL on error (memory
allocation failed).
*/
dk4_uc2l_t *
dk4uc2l_i_new(const dkChar *dn, dk4_er_t *erp);
/** Find suffix index for file name.
Supported suffixes at this time are ".t2l", ".t2l.gz" and ".tl2.bz2".
The corresponding indices are 0, 1 and 2.
@param fn File name to inspect.
@return Non-negative index on success, -1 on error
(not a valid suffix for data files).
*/
int
dk4uc2l_i_find_suffix_index(const dkChar *fn);
/** Check if a file name suffix indicating a compression type is
supported.
@param i File name suffix index to check.
@return Check result: 1=supported, 0=unsupported.
*/
int
dk4uc2l_i_suffix_index_supported(int i);
/** Compare two range informations or a range information against a
character.
@param l Left pointer, always a range information structure.
@param r Right pointer.
@param cr Comparison criteria:
0 if the right pointer is a range information strucutre,
1 if the right pointer is a pointer to a dk4_c32_t.
@return Comparison result: -1 if l<r, 0 if l=r, 1 if l>r.
*/
int
dk4uc2l_i_range_compare(const void *l, const void *r, int cr);
/** Initialize a range, allocate memory for components.
@param rptr Range to initialize.
@param erp Error report, may be NULL.
@return 1 on success, 0 on error.
*/
int
dk4uc2l_i_init_range(
dk4_uc2l_range_t *rptr,
dk4_er_t *erp
);
/** Find index of pkey in keyword array.
@param pkey Key text.
@return Non-negative index on success, -1 on error.
*/
int
dk4uc2l_i_keyword_index(const char *pkey);
/** Retrieve font encoding by name.
@param pname Font encoding name.
@return Non-null font encoding on success, 0 on error.
*/
unsigned char
dk4uc2l_font_encoding_from_name(const char *pname);
#ifdef __cplusplus
}
#endif
/* vim: set ai sw=4 ts=4 : */
#endif
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