878 lines
35 KiB
C
878 lines
35 KiB
C
/***************************************************************************/
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/* */
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/* psaux.h */
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/* */
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/* Auxiliary functions and data structures related to PostScript fonts */
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/* (specification). */
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/* */
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/* Copyright 1996-2004, 2006, 2008, 2009, 2012 by */
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/* David Turner, Robert Wilhelm, and Werner Lemberg. */
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/* */
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/* This file is part of the FreeType project, and may only be used, */
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/* modified, and distributed under the terms of the FreeType project */
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/* license, LICENSE.TXT. By continuing to use, modify, or distribute */
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/* this file you indicate that you have read the license and */
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/* understand and accept it fully. */
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/* */
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/***************************************************************************/
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#ifndef __PSAUX_H__
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#define __PSAUX_H__
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#include <ft2build.h>
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#include FT_INTERNAL_OBJECTS_H
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#include FT_INTERNAL_TYPE1_TYPES_H
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#include FT_SERVICE_POSTSCRIPT_CMAPS_H
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FT_BEGIN_HEADER
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/*************************************************************************/
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/*************************************************************************/
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/***** *****/
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/***** T1_TABLE *****/
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/***** *****/
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/*************************************************************************/
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/*************************************************************************/
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typedef struct PS_TableRec_* PS_Table;
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typedef const struct PS_Table_FuncsRec_* PS_Table_Funcs;
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/*************************************************************************/
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/* */
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/* <Struct> */
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/* PS_Table_FuncsRec */
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/* */
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/* <Description> */
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/* A set of function pointers to manage PS_Table objects. */
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/* */
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/* <Fields> */
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/* table_init :: Used to initialize a table. */
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/* */
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/* table_done :: Finalizes resp. destroy a given table. */
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/* */
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/* table_add :: Adds a new object to a table. */
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/* */
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/* table_release :: Releases table data, then finalizes it. */
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/* */
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typedef struct PS_Table_FuncsRec_
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{
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FT_Error
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(*init)( PS_Table table,
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FT_Int count,
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FT_Memory memory );
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void
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(*done)( PS_Table table );
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FT_Error
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(*add)( PS_Table table,
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FT_Int idx,
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void* object,
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FT_PtrDist length );
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void
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(*release)( PS_Table table );
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} PS_Table_FuncsRec;
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/*************************************************************************/
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/* */
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/* <Struct> */
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/* PS_TableRec */
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/* */
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/* <Description> */
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/* A PS_Table is a simple object used to store an array of objects in */
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/* a single memory block. */
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/* */
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/* <Fields> */
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/* block :: The address in memory of the growheap's block. This */
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/* can change between two object adds, due to */
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/* reallocation. */
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/* */
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/* cursor :: The current top of the grow heap within its block. */
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/* */
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/* capacity :: The current size of the heap block. Increments by */
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/* 1kByte chunks. */
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/* */
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/* init :: Set to 0xDEADBEEF if `elements' and `lengths' have */
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/* been allocated. */
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/* */
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/* max_elems :: The maximum number of elements in table. */
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/* */
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/* num_elems :: The current number of elements in table. */
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/* */
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/* elements :: A table of element addresses within the block. */
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/* */
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/* lengths :: A table of element sizes within the block. */
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/* */
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/* memory :: The object used for memory operations */
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/* (alloc/realloc). */
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/* */
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/* funcs :: A table of method pointers for this object. */
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/* */
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typedef struct PS_TableRec_
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{
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FT_Byte* block; /* current memory block */
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FT_Offset cursor; /* current cursor in memory block */
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FT_Offset capacity; /* current size of memory block */
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FT_Long init;
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FT_Int max_elems;
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FT_Int num_elems;
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FT_Byte** elements; /* addresses of table elements */
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FT_PtrDist* lengths; /* lengths of table elements */
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FT_Memory memory;
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PS_Table_FuncsRec funcs;
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} PS_TableRec;
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/*************************************************************************/
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/*************************************************************************/
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/***** *****/
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/***** T1 FIELDS & TOKENS *****/
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/***** *****/
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/*************************************************************************/
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/*************************************************************************/
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typedef struct PS_ParserRec_* PS_Parser;
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typedef struct T1_TokenRec_* T1_Token;
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typedef struct T1_FieldRec_* T1_Field;
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/* simple enumeration type used to identify token types */
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typedef enum T1_TokenType_
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{
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T1_TOKEN_TYPE_NONE = 0,
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T1_TOKEN_TYPE_ANY,
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T1_TOKEN_TYPE_STRING,
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T1_TOKEN_TYPE_ARRAY,
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T1_TOKEN_TYPE_KEY, /* aka `name' */
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/* do not remove */
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T1_TOKEN_TYPE_MAX
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} T1_TokenType;
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/* a simple structure used to identify tokens */
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typedef struct T1_TokenRec_
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{
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FT_Byte* start; /* first character of token in input stream */
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FT_Byte* limit; /* first character after the token */
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T1_TokenType type; /* type of token */
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} T1_TokenRec;
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/* enumeration type used to identify object fields */
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typedef enum T1_FieldType_
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{
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T1_FIELD_TYPE_NONE = 0,
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T1_FIELD_TYPE_BOOL,
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T1_FIELD_TYPE_INTEGER,
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T1_FIELD_TYPE_FIXED,
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T1_FIELD_TYPE_FIXED_1000,
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T1_FIELD_TYPE_STRING,
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T1_FIELD_TYPE_KEY,
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T1_FIELD_TYPE_BBOX,
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T1_FIELD_TYPE_MM_BBOX,
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T1_FIELD_TYPE_INTEGER_ARRAY,
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T1_FIELD_TYPE_FIXED_ARRAY,
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T1_FIELD_TYPE_CALLBACK,
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/* do not remove */
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T1_FIELD_TYPE_MAX
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} T1_FieldType;
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typedef enum T1_FieldLocation_
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{
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T1_FIELD_LOCATION_CID_INFO,
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T1_FIELD_LOCATION_FONT_DICT,
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T1_FIELD_LOCATION_FONT_EXTRA,
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T1_FIELD_LOCATION_FONT_INFO,
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T1_FIELD_LOCATION_PRIVATE,
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T1_FIELD_LOCATION_BBOX,
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T1_FIELD_LOCATION_LOADER,
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T1_FIELD_LOCATION_FACE,
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T1_FIELD_LOCATION_BLEND,
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/* do not remove */
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T1_FIELD_LOCATION_MAX
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} T1_FieldLocation;
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typedef void
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(*T1_Field_ParseFunc)( FT_Face face,
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FT_Pointer parser );
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/* structure type used to model object fields */
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typedef struct T1_FieldRec_
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{
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const char* ident; /* field identifier */
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T1_FieldLocation location;
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T1_FieldType type; /* type of field */
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T1_Field_ParseFunc reader;
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FT_UInt offset; /* offset of field in object */
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FT_Byte size; /* size of field in bytes */
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FT_UInt array_max; /* maximum number of elements for */
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/* array */
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FT_UInt count_offset; /* offset of element count for */
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/* arrays; must not be zero if in */
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/* use -- in other words, a */
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/* `num_FOO' element must not */
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/* start the used structure if we */
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/* parse a `FOO' array */
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FT_UInt dict; /* where we expect it */
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} T1_FieldRec;
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#define T1_FIELD_DICT_FONTDICT ( 1 << 0 ) /* also FontInfo and FDArray */
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#define T1_FIELD_DICT_PRIVATE ( 1 << 1 )
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#define T1_NEW_SIMPLE_FIELD( _ident, _type, _fname, _dict ) \
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{ \
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_ident, T1CODE, _type, \
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0, \
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FT_FIELD_OFFSET( _fname ), \
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FT_FIELD_SIZE( _fname ), \
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0, 0, \
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_dict \
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},
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#define T1_NEW_CALLBACK_FIELD( _ident, _reader, _dict ) \
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{ \
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_ident, T1CODE, T1_FIELD_TYPE_CALLBACK, \
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(T1_Field_ParseFunc)_reader, \
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0, 0, \
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0, 0, \
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_dict \
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},
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#define T1_NEW_TABLE_FIELD( _ident, _type, _fname, _max, _dict ) \
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{ \
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_ident, T1CODE, _type, \
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0, \
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FT_FIELD_OFFSET( _fname ), \
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FT_FIELD_SIZE_DELTA( _fname ), \
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_max, \
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FT_FIELD_OFFSET( num_ ## _fname ), \
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_dict \
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},
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#define T1_NEW_TABLE_FIELD2( _ident, _type, _fname, _max, _dict ) \
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{ \
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_ident, T1CODE, _type, \
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0, \
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FT_FIELD_OFFSET( _fname ), \
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FT_FIELD_SIZE_DELTA( _fname ), \
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_max, 0, \
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_dict \
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},
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#define T1_FIELD_BOOL( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_BOOL, _fname, _dict )
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#define T1_FIELD_NUM( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_INTEGER, _fname, _dict )
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#define T1_FIELD_FIXED( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_FIXED, _fname, _dict )
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#define T1_FIELD_FIXED_1000( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_FIXED_1000, _fname, \
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_dict )
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#define T1_FIELD_STRING( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_STRING, _fname, _dict )
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#define T1_FIELD_KEY( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_KEY, _fname, _dict )
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#define T1_FIELD_BBOX( _ident, _fname, _dict ) \
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T1_NEW_SIMPLE_FIELD( _ident, T1_FIELD_TYPE_BBOX, _fname, _dict )
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#define T1_FIELD_NUM_TABLE( _ident, _fname, _fmax, _dict ) \
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T1_NEW_TABLE_FIELD( _ident, T1_FIELD_TYPE_INTEGER_ARRAY, \
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_fname, _fmax, _dict )
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#define T1_FIELD_FIXED_TABLE( _ident, _fname, _fmax, _dict ) \
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T1_NEW_TABLE_FIELD( _ident, T1_FIELD_TYPE_FIXED_ARRAY, \
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_fname, _fmax, _dict )
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#define T1_FIELD_NUM_TABLE2( _ident, _fname, _fmax, _dict ) \
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T1_NEW_TABLE_FIELD2( _ident, T1_FIELD_TYPE_INTEGER_ARRAY, \
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_fname, _fmax, _dict )
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#define T1_FIELD_FIXED_TABLE2( _ident, _fname, _fmax, _dict ) \
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T1_NEW_TABLE_FIELD2( _ident, T1_FIELD_TYPE_FIXED_ARRAY, \
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_fname, _fmax, _dict )
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#define T1_FIELD_CALLBACK( _ident, _name, _dict ) \
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T1_NEW_CALLBACK_FIELD( _ident, _name, _dict )
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/*************************************************************************/
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/*************************************************************************/
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/***** *****/
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/***** T1 PARSER *****/
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/***** *****/
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/*************************************************************************/
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/*************************************************************************/
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typedef const struct PS_Parser_FuncsRec_* PS_Parser_Funcs;
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typedef struct PS_Parser_FuncsRec_
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{
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void
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(*init)( PS_Parser parser,
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FT_Byte* base,
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FT_Byte* limit,
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FT_Memory memory );
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void
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(*done)( PS_Parser parser );
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void
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(*skip_spaces)( PS_Parser parser );
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void
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(*skip_PS_token)( PS_Parser parser );
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FT_Long
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(*to_int)( PS_Parser parser );
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FT_Fixed
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(*to_fixed)( PS_Parser parser,
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FT_Int power_ten );
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FT_Error
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(*to_bytes)( PS_Parser parser,
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FT_Byte* bytes,
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FT_Offset max_bytes,
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FT_Long* pnum_bytes,
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FT_Bool delimiters );
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FT_Int
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(*to_coord_array)( PS_Parser parser,
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FT_Int max_coords,
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FT_Short* coords );
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FT_Int
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(*to_fixed_array)( PS_Parser parser,
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FT_Int max_values,
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FT_Fixed* values,
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FT_Int power_ten );
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void
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(*to_token)( PS_Parser parser,
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T1_Token token );
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void
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(*to_token_array)( PS_Parser parser,
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T1_Token tokens,
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FT_UInt max_tokens,
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FT_Int* pnum_tokens );
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FT_Error
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(*load_field)( PS_Parser parser,
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const T1_Field field,
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void** objects,
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FT_UInt max_objects,
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FT_ULong* pflags );
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FT_Error
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(*load_field_table)( PS_Parser parser,
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const T1_Field field,
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void** objects,
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FT_UInt max_objects,
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FT_ULong* pflags );
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} PS_Parser_FuncsRec;
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/*************************************************************************/
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/* */
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/* <Struct> */
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/* PS_ParserRec */
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/* */
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/* <Description> */
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/* A PS_Parser is an object used to parse a Type 1 font very quickly. */
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/* */
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/* <Fields> */
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/* cursor :: The current position in the text. */
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/* */
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/* base :: Start of the processed text. */
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/* */
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/* limit :: End of the processed text. */
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/* */
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/* error :: The last error returned. */
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/* */
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/* memory :: The object used for memory operations (alloc/realloc). */
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/* */
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/* funcs :: A table of functions for the parser. */
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/* */
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typedef struct PS_ParserRec_
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{
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FT_Byte* cursor;
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FT_Byte* base;
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FT_Byte* limit;
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FT_Error error;
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FT_Memory memory;
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PS_Parser_FuncsRec funcs;
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} PS_ParserRec;
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/*************************************************************************/
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/*************************************************************************/
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/***** *****/
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/***** T1 BUILDER *****/
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/***** *****/
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/*************************************************************************/
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/*************************************************************************/
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typedef struct T1_BuilderRec_* T1_Builder;
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typedef FT_Error
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(*T1_Builder_Check_Points_Func)( T1_Builder builder,
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FT_Int count );
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typedef void
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(*T1_Builder_Add_Point_Func)( T1_Builder builder,
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FT_Pos x,
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FT_Pos y,
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FT_Byte flag );
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typedef FT_Error
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(*T1_Builder_Add_Point1_Func)( T1_Builder builder,
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FT_Pos x,
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FT_Pos y );
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typedef FT_Error
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(*T1_Builder_Add_Contour_Func)( T1_Builder builder );
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typedef FT_Error
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(*T1_Builder_Start_Point_Func)( T1_Builder builder,
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FT_Pos x,
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FT_Pos y );
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typedef void
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(*T1_Builder_Close_Contour_Func)( T1_Builder builder );
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typedef const struct T1_Builder_FuncsRec_* T1_Builder_Funcs;
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typedef struct T1_Builder_FuncsRec_
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{
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void
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(*init)( T1_Builder builder,
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FT_Face face,
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FT_Size size,
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FT_GlyphSlot slot,
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FT_Bool hinting );
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void
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(*done)( T1_Builder builder );
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T1_Builder_Check_Points_Func check_points;
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T1_Builder_Add_Point_Func add_point;
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T1_Builder_Add_Point1_Func add_point1;
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T1_Builder_Add_Contour_Func add_contour;
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T1_Builder_Start_Point_Func start_point;
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T1_Builder_Close_Contour_Func close_contour;
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} T1_Builder_FuncsRec;
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/* an enumeration type to handle charstring parsing states */
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typedef enum T1_ParseState_
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{
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T1_Parse_Start,
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T1_Parse_Have_Width,
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T1_Parse_Have_Moveto,
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T1_Parse_Have_Path
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} T1_ParseState;
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/*************************************************************************/
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/* */
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/* <Structure> */
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/* T1_BuilderRec */
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/* */
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/* <Description> */
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/* A structure used during glyph loading to store its outline. */
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/* */
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/* <Fields> */
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/* memory :: The current memory object. */
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/* */
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/* face :: The current face object. */
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/* */
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/* glyph :: The current glyph slot. */
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/* */
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/* loader :: XXX */
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/* */
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/* base :: The base glyph outline. */
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/* */
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/* current :: The current glyph outline. */
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/* */
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/* max_points :: maximum points in builder outline */
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/* */
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/* max_contours :: Maximum number of contours in builder outline. */
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/* */
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/* pos_x :: The horizontal translation (if composite glyph). */
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/* */
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/* pos_y :: The vertical translation (if composite glyph). */
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/* */
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/* left_bearing :: The left side bearing point. */
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/* */
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/* advance :: The horizontal advance vector. */
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/* */
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/* bbox :: Unused. */
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/* */
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/* parse_state :: An enumeration which controls the charstring */
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/* parsing state. */
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/* */
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/* load_points :: If this flag is not set, no points are loaded. */
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/* */
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/* no_recurse :: Set but not used. */
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/* */
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/* metrics_only :: A boolean indicating that we only want to compute */
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/* the metrics of a given glyph, not load all of its */
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/* points. */
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/* */
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/* funcs :: An array of function pointers for the builder. */
|
|
/* */
|
|
typedef struct T1_BuilderRec_
|
|
{
|
|
FT_Memory memory;
|
|
FT_Face face;
|
|
FT_GlyphSlot glyph;
|
|
FT_GlyphLoader loader;
|
|
FT_Outline* base;
|
|
FT_Outline* current;
|
|
|
|
FT_Pos pos_x;
|
|
FT_Pos pos_y;
|
|
|
|
FT_Vector left_bearing;
|
|
FT_Vector advance;
|
|
|
|
FT_BBox bbox; /* bounding box */
|
|
T1_ParseState parse_state;
|
|
FT_Bool load_points;
|
|
FT_Bool no_recurse;
|
|
|
|
FT_Bool metrics_only;
|
|
|
|
void* hints_funcs; /* hinter-specific */
|
|
void* hints_globals; /* hinter-specific */
|
|
|
|
T1_Builder_FuncsRec funcs;
|
|
|
|
} T1_BuilderRec;
|
|
|
|
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/***** *****/
|
|
/***** T1 DECODER *****/
|
|
/***** *****/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
|
|
#if 0
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* T1_MAX_SUBRS_CALLS details the maximum number of nested sub-routine */
|
|
/* calls during glyph loading. */
|
|
/* */
|
|
#define T1_MAX_SUBRS_CALLS 8
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* T1_MAX_CHARSTRING_OPERANDS is the charstring stack's capacity. A */
|
|
/* minimum of 16 is required. */
|
|
/* */
|
|
#define T1_MAX_CHARSTRINGS_OPERANDS 32
|
|
|
|
#endif /* 0 */
|
|
|
|
|
|
typedef struct T1_Decoder_ZoneRec_
|
|
{
|
|
FT_Byte* cursor;
|
|
FT_Byte* base;
|
|
FT_Byte* limit;
|
|
|
|
} T1_Decoder_ZoneRec, *T1_Decoder_Zone;
|
|
|
|
|
|
typedef struct T1_DecoderRec_* T1_Decoder;
|
|
typedef const struct T1_Decoder_FuncsRec_* T1_Decoder_Funcs;
|
|
|
|
|
|
typedef FT_Error
|
|
(*T1_Decoder_Callback)( T1_Decoder decoder,
|
|
FT_UInt glyph_index );
|
|
|
|
|
|
typedef struct T1_Decoder_FuncsRec_
|
|
{
|
|
FT_Error
|
|
(*init)( T1_Decoder decoder,
|
|
FT_Face face,
|
|
FT_Size size,
|
|
FT_GlyphSlot slot,
|
|
FT_Byte** glyph_names,
|
|
PS_Blend blend,
|
|
FT_Bool hinting,
|
|
FT_Render_Mode hint_mode,
|
|
T1_Decoder_Callback callback );
|
|
|
|
void
|
|
(*done)( T1_Decoder decoder );
|
|
|
|
FT_Error
|
|
(*parse_charstrings)( T1_Decoder decoder,
|
|
FT_Byte* base,
|
|
FT_UInt len );
|
|
|
|
} T1_Decoder_FuncsRec;
|
|
|
|
|
|
typedef struct T1_DecoderRec_
|
|
{
|
|
T1_BuilderRec builder;
|
|
|
|
FT_Long stack[T1_MAX_CHARSTRINGS_OPERANDS];
|
|
FT_Long* top;
|
|
|
|
T1_Decoder_ZoneRec zones[T1_MAX_SUBRS_CALLS + 1];
|
|
T1_Decoder_Zone zone;
|
|
|
|
FT_Service_PsCMaps psnames; /* for seac */
|
|
FT_UInt num_glyphs;
|
|
FT_Byte** glyph_names;
|
|
|
|
FT_Int lenIV; /* internal for sub routine calls */
|
|
FT_UInt num_subrs;
|
|
FT_Byte** subrs;
|
|
FT_PtrDist* subrs_len; /* array of subrs length (optional) */
|
|
|
|
FT_Matrix font_matrix;
|
|
FT_Vector font_offset;
|
|
|
|
FT_Int flex_state;
|
|
FT_Int num_flex_vectors;
|
|
FT_Vector flex_vectors[7];
|
|
|
|
PS_Blend blend; /* for multiple master support */
|
|
|
|
FT_Render_Mode hint_mode;
|
|
|
|
T1_Decoder_Callback parse_callback;
|
|
T1_Decoder_FuncsRec funcs;
|
|
|
|
FT_Long* buildchar;
|
|
FT_UInt len_buildchar;
|
|
|
|
FT_Bool seac;
|
|
|
|
} T1_DecoderRec;
|
|
|
|
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/***** *****/
|
|
/***** AFM PARSER *****/
|
|
/***** *****/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
|
|
typedef struct AFM_ParserRec_* AFM_Parser;
|
|
|
|
typedef struct AFM_Parser_FuncsRec_
|
|
{
|
|
FT_Error
|
|
(*init)( AFM_Parser parser,
|
|
FT_Memory memory,
|
|
FT_Byte* base,
|
|
FT_Byte* limit );
|
|
|
|
void
|
|
(*done)( AFM_Parser parser );
|
|
|
|
FT_Error
|
|
(*parse)( AFM_Parser parser );
|
|
|
|
} AFM_Parser_FuncsRec;
|
|
|
|
|
|
typedef struct AFM_StreamRec_* AFM_Stream;
|
|
|
|
|
|
/*************************************************************************/
|
|
/* */
|
|
/* <Struct> */
|
|
/* AFM_ParserRec */
|
|
/* */
|
|
/* <Description> */
|
|
/* An AFM_Parser is a parser for the AFM files. */
|
|
/* */
|
|
/* <Fields> */
|
|
/* memory :: The object used for memory operations (alloc and */
|
|
/* realloc). */
|
|
/* */
|
|
/* stream :: This is an opaque object. */
|
|
/* */
|
|
/* FontInfo :: The result will be stored here. */
|
|
/* */
|
|
/* get_index :: A user provided function to get a glyph index by its */
|
|
/* name. */
|
|
/* */
|
|
typedef struct AFM_ParserRec_
|
|
{
|
|
FT_Memory memory;
|
|
AFM_Stream stream;
|
|
|
|
AFM_FontInfo FontInfo;
|
|
|
|
FT_Int
|
|
(*get_index)( const char* name,
|
|
FT_Offset len,
|
|
void* user_data );
|
|
|
|
void* user_data;
|
|
|
|
} AFM_ParserRec;
|
|
|
|
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/***** *****/
|
|
/***** TYPE1 CHARMAPS *****/
|
|
/***** *****/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
|
|
typedef const struct T1_CMap_ClassesRec_* T1_CMap_Classes;
|
|
|
|
typedef struct T1_CMap_ClassesRec_
|
|
{
|
|
FT_CMap_Class standard;
|
|
FT_CMap_Class expert;
|
|
FT_CMap_Class custom;
|
|
FT_CMap_Class unicode;
|
|
|
|
} T1_CMap_ClassesRec;
|
|
|
|
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/***** *****/
|
|
/***** PSAux Module Interface *****/
|
|
/***** *****/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
|
|
typedef struct PSAux_ServiceRec_
|
|
{
|
|
/* don't use `PS_Table_Funcs' and friends to avoid compiler warnings */
|
|
const PS_Table_FuncsRec* ps_table_funcs;
|
|
const PS_Parser_FuncsRec* ps_parser_funcs;
|
|
const T1_Builder_FuncsRec* t1_builder_funcs;
|
|
const T1_Decoder_FuncsRec* t1_decoder_funcs;
|
|
|
|
void
|
|
(*t1_decrypt)( FT_Byte* buffer,
|
|
FT_Offset length,
|
|
FT_UShort seed );
|
|
|
|
T1_CMap_Classes t1_cmap_classes;
|
|
|
|
/* fields after this comment line were added after version 2.1.10 */
|
|
const AFM_Parser_FuncsRec* afm_parser_funcs;
|
|
|
|
} PSAux_ServiceRec, *PSAux_Service;
|
|
|
|
/* backwards-compatible type definition */
|
|
typedef PSAux_ServiceRec PSAux_Interface;
|
|
|
|
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
/***** *****/
|
|
/***** Some convenience functions *****/
|
|
/***** *****/
|
|
/*************************************************************************/
|
|
/*************************************************************************/
|
|
|
|
#define IS_PS_NEWLINE( ch ) \
|
|
( (ch) == '\r' || \
|
|
(ch) == '\n' )
|
|
|
|
#define IS_PS_SPACE( ch ) \
|
|
( (ch) == ' ' || \
|
|
IS_PS_NEWLINE( ch ) || \
|
|
(ch) == '\t' || \
|
|
(ch) == '\f' || \
|
|
(ch) == '\0' )
|
|
|
|
#define IS_PS_SPECIAL( ch ) \
|
|
( (ch) == '/' || \
|
|
(ch) == '(' || (ch) == ')' || \
|
|
(ch) == '<' || (ch) == '>' || \
|
|
(ch) == '[' || (ch) == ']' || \
|
|
(ch) == '{' || (ch) == '}' || \
|
|
(ch) == '%' )
|
|
|
|
#define IS_PS_DELIM( ch ) \
|
|
( IS_PS_SPACE( ch ) || \
|
|
IS_PS_SPECIAL( ch ) )
|
|
|
|
#define IS_PS_DIGIT( ch ) \
|
|
( (ch) >= '0' && (ch) <= '9' )
|
|
|
|
#define IS_PS_XDIGIT( ch ) \
|
|
( IS_PS_DIGIT( ch ) || \
|
|
( (ch) >= 'A' && (ch) <= 'F' ) || \
|
|
( (ch) >= 'a' && (ch) <= 'f' ) )
|
|
|
|
#define IS_PS_BASE85( ch ) \
|
|
( (ch) >= '!' && (ch) <= 'u' )
|
|
|
|
#define IS_PS_TOKEN( cur, limit, token ) \
|
|
( (char)(cur)[0] == (token)[0] && \
|
|
( (cur) + sizeof ( (token) ) == (limit) || \
|
|
( (cur) + sizeof( (token) ) < (limit) && \
|
|
IS_PS_DELIM( (cur)[sizeof ( (token) ) - 1] ) ) ) && \
|
|
ft_strncmp( (char*)(cur), (token), sizeof ( (token) ) - 1 ) == 0 )
|
|
|
|
|
|
FT_END_HEADER
|
|
|
|
#endif /* __PSAUX_H__ */
|
|
|
|
|
|
/* END */
|