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Amiga Format CD 7
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Amiga Format AFCD07 (Dec 1996, Issue 91).iso
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hsc
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hsclib
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attrib.h
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1996-09-12
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138 lines
/*
* hsclib/attribute.h
*
* attribute structure and funcs for hsc
*/
#ifndef HSC_ATTRIBUTE_H
#define HSC_ATTRIBUTE_H
/* variable types */
#define VT_NONE 0 /* no type; only after init */
#define VT_URI 1 /* uri */
#define VT_STRING 2 /* text string */
#define VT_BOOL 3 /* boolean */
#define VT_NUM 4 /* TODO: numeric */
#define VT_ENUM 5 /* enumerator */
#define VT_ID 6 /* TODO: id (name reference) */
#define VT_COLOR 7 /* TODO: jerk's color */
#define VT_STR_URI "URI" /* uri */
#define VT_STR_STRING "STRING" /* text string */
#define VT_STR_BOOL "BOOL" /* boolean */
#define VT_STR_NUM "NUM" /* numeric */
#define VT_STR_ENUM "ENUM" /* enumerator */
#define VT_STR_ID "ID" /* id (name reference) */
#define VT_STR_COLOR "COLOR" /* color */
/* variable flags */
#define VF_ONLYONCE (1<<0) /* attribute may occure only once */
#define VF_REQUIRED (1<<1) /* attribute is required */
#define VF_CONST (1<<2) /* attribute is read-only: <$DEFINE> */
#define VF_JERK (1<<3) /* attribute only used by jerks */
#define VF_STRIPEXT (1<<4) /* URI: strip tag, if external */
#define VF_GETSIZE (1<<5) /* URI: get WIDTH & HEIGHT from here */
#define VF_KEEP_QUOTES (1<<28) /* keep quotes untouched */
#define VF_GLOBAL (1<<29) /* attribute is global: <$DEFINE> */
#define VF_MACRO (1<<30) /* macro-attr */
#define VF_TAG (1<<31) /* tag-attr (see note below) */
/*
* NOTE on VF_TAG:
*
* Within uri-attributes, there is one problem: if you pass
* an uri-attr to a macro or <$define>, the uri is parsed twice,
* when attribute is passed to tag.
* This produces shit when the uri is parsed the second time
* (eg absolute uri is converted again)
*
* Therefor, uris are only parsed, if the VF_TAG-flag is
* enabled. By default, VF_TAG is disabled and can only be
* enabled when copying local macro attribute to the global
* attribute list. (see "copy_local_varlist()" in "attrib.c")
*/
#define VF_CONST_STR "CONST" /* attr is read only <$DEFINE> */
#define VF_CONST_SHT "C"
#define VF_GLOBAL_STR "GLOBAL" /* global attribute <$DEFINE> */
#define VF_GLOBAL_SHT "G"
#define VF_JERK_STR "JERK" /* attr only used by jerks */
#define VF_JERK_SHT "J"
#define VF_ONLYONCE_STR "ONLYONCE" /* attr may appear only once in tag */
#define VF_ONLYONCE_SHT "1"
#define VF_REQUIRED_STR "REQUIRED" /* attr is required */
#define VF_REQUIRED_SHT "R"
#define VF_STRIPEXT_STR "STRIPEXT" /* strip tag, if URI is external */
#define VF_STRIPEXT_SHT "X"
#define VF_GETSIZE_STR "GETSIZE" /* follow URI to get WIDTH & HEIGHT */
#define VF_GETSIZE_SHT "Z"
/* prefix for temporary attributes */
#define PREFIX_HSCATTR "HSC."
#define PREFIX_TMPATTR "HSC.TMP."
/* chars that act like opening/closing quote */
#define VQ_STR_QUOTE "\"'"
/* "no quote" value for quote in HSCATTR */
#define VQ_NO_QUOTE 0
/* error return value for set_macro_args() to set var->macro_id with */
#define MCI_GLOBAL 0 /* indicate global attributes */
#define MCI_ERROR 0xffffffff
#define MCI_APPCTAG 0xfffffffe /* used by app_ctag(); see "tag.c" */
/* attribute structure */
typedef struct hscvar
{
STRPTR name; /* macro id */
STRPTR deftext; /* deftext text */
STRPTR text; /* text to be expanded to */
STRPTR enumstr; /* enumerator string */
ULONG macro_id; /* macro-call-id for local var */
ULONG varflag; /* flags; see VF_xx */
int quote; /* quote char */
BYTE vartype; /* type; see VT_xx */
}
HSCATTR;
#define HSCVAR HSCATTR /* TODO: remove */
/*
* global funcs
*/
#ifndef NOEXTERN_HSCLIB_VARS_H
extern VOID prt_varlist(DLLIST * varlist, STRPTR title);
extern HSCATTR *new_hscattr(STRPTR newname);
extern VOID del_hscattr(APTR data);
extern HSCATTR *cpy_hscattr(HSCATTR * oldvar);
extern DLNODE *find_attrnode(DLLIST * varlist, STRPTR name);
extern HSCATTR *find_varname(DLLIST * varlist, STRPTR name);
extern HSCATTR *app_var(DLLIST * varlist, STRPTR newname);
extern BOOL check_enumstr(HSCATTR * var, STRPTR value, INFILE * inpf);
extern STRPTR set_vartext(HSCATTR * var, STRPTR newtext);
extern BOOL set_varbool(HSCATTR * attr, BOOL value);
extern BOOL clr_vartext(HSCATTR * var);
extern VOID clr_attrdef(HSCATTR * attr);
extern BOOL clr_varlist(DLLIST * varlist);
extern VOID clr_varlist_bool(DLLIST * varlist);
extern STRPTR get_vartext_byname(DLLIST * varlist, STRPTR name);
extern STRPTR get_vartext(HSCATTR * var);
extern BOOL get_varbool_byname(DLLIST * varlist, STRPTR name);
extern BOOL get_varbool(HSCATTR * attr);
extern LONG get_varnum(HSCATTR * attr);
extern LONG get_varnum_byname(DLLIST * varlist, STRPTR name);
extern STRPTR get_vardeftext(HSCATTR * var);
#endif /* NOEXTERN_HSCLIB_ATTRIBUTE_H */
#endif /* HSCLIB_ATTRIBUTE_H */