/* $LynxId: LYStyle.h,v 1.16 2009/01/01 23:06:08 tom Exp $ */
#ifndef LYSTYLE_H
#define LYSTYLE_H

#include <HTUtils.h>

#ifdef USE_COLOR_STYLE

#include <AttrList.h>
#include <HTMLDTD.h>

#ifdef __cplusplus
extern "C" {
#endif
/* list of elements */ extern const SGML_dtd HTML_dtd;

/* array of currently set styles */
    extern HTCharStyle displayStyles[DSTYLE_ELEMENTS];

/* Set all the buckets in the hash table to be empty */
    extern void parse_userstyles(void);

    extern void style_defaultStyleSheet(void);

    extern int style_readFromFile(char *file);

    extern void TrimColorClass(const char *tagname,
			       char *styleclassname,
			       int *phcode);

/* this is an array of styles for tags that don't specify 'class' - the values
 * from that array will be suggested by SGML.c by setting the following
 * variable.  Value of -1 means that style value should be calculated honestly. 
 * -HV
 */
    extern int cached_tag_styles[HTML_ELEMENTS];

/* the style for current tag is suggested in current_tag_style.  If
 * force_current_tag_style =TRUE, then no attempts to calculate the color style
 * for current tag should be made - the value of 'current_tag_style' must be
 * used.
 */
    extern int current_tag_style;
    extern BOOL force_current_tag_style;

    extern BOOL force_classname;

/* if force_current_tag_style =TRUE, then here will be the classname (this is
 * done to avoid copying the class name to the buffer class_name.
 */
    extern char *forced_classname;

/* This is called each time lss styles are read.  It will fill each elt of
 * 'cached_tag_styles' -HV
 */
    extern void cache_tag_styles(void);

/* this is global var - it can be used for reading the end of string found
 * during last invokation of TrimColorClass.
 */
    extern void FastTrimColorClass(const char *tag_name,
				   unsigned name_len,
				   char *stylename,
				   char **pstylename_end,
				   int *hcode);

/*
 * Functions for cached-styles
 */
    extern BOOL ValidCachedStyle(int y, int x);
    extern unsigned GetCachedStyle(int y, int x);
    extern void FreeCachedStyles(void);
    extern void ResetCachedStyles(void);
    extern void SetCachedStyle(int y, int x, unsigned value);

#ifdef __cplusplus
}
#endif
#endif				/* USE_COLOR_STYLE */
extern int lynx_has_color;

#endif /* LYSTYLE_H */