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-=-=-=-=-=-=-
/*************************************************
- The PMW Music Typesetter - 3rd incarnation *
- ************************************************/
/* Copyright (c) Philip Hazel, 1991 - 2019 */
/* Written by Philip Hazel, starting November 1991 */
/* This file last modified: November 2020 */
/* This is the header file for the score reading routines;
imported by error.c in order to access the input buffers. */
#define read_footingsize 8000 /* These are fixed sizes; heading */
#define read_pageheadingsize 10000 /* sizes are held in a table */
#define read_maxheadcount 3 /* with four entries */
#define baraccs_len 108 /* Byte size of baraccs table */
#define stemstacksize 200 /* Byte size of stem stack */
#define beamstacksize 200 /* And beam stack */
/* Bits for remembering which headings/footings have been read, for
the purpose of throwing away old ones at movement starts. These are
also used for selecting default sizes. Additional bits are now used
for remembering which midi parameters have already been changed, for
getting new tables. */
enum {
rh_footing = 0x001,
rh_heading = 0x002,
rh_lastfooting = 0x004,
rh_pagefooting = 0x008,
rh_pageheading = 0x010,
rh_ps = 0x020,
rh_footnote = 0x040,
rh_midivoice = 0x080,
rh_midichannel = 0x100,
rh_midinote = 0x200,
rh_midivolume= 0x400
};
/*************************************************
- Character reading macros *
- ************************************************/
#define sigch() \
while (read_ch == ' ' || read_ch == '\t' || read_ch == '\n') next_ch()
#define sigchNL() \
while (read_ch == ' ' || read_ch == '\t') next_ch();
#define next_sigch() \
while ((next_ch(), read_ch == ' ') || read_ch == '\t' || read_ch == '\n') {}
/*************************************************
- Macros for trivial functions *
- ************************************************/
#define mac_setstackedstems(flag) \
while (stave_stemstackptr > 0) \
{ (stave_stemstack[--stave_stemstackptr])->flags |= flag; \
if (((stave_stemstack[stave_stemstackptr])->flags & nf_chord) != 0) \
read_sortchord(stave_stemstack[stave_stemstackptr], flag); }
#define mac_setstemflag(noteptr, flag) \
noteptr->flags |= flag; \
if ((noteptr->flags & nf_chord) != 0) read_sortchord(noteptr, flag)
/*************************************************
- Structures *
- ************************************************/
/* Structure for remembering stacked files during include */
typedef struct {
FILE *file;
uschar *filename;
int linenumber;
int okdepth;
} filestr;
/* Structure for tables of directives */
typedef struct {
const char *name;
void (*proc)(void);
int arg1;
int arg2;
} dirstr;
/* Structure for remembering data about tie accidentals */
typedef struct {
uschar pitch;
uschar acc;
uschar acc_tp;
} tiedata;
/* Structure for remembering underlay strings */
typedef struct ulaypend {
struct ulaypend *next;
uschar *string;
uschar level;
uschar size;
uschar font;
uschar htype;
short int flags;
int x;
int y;
int halfway; /* "halfway" fraction */
int offset; /* "offset" fraction */
} ulaypend;
/* Structure for list of accent/ornament codings */
typedef struct accent {
uschar *string;
usint flag;
} accent;
/*************************************************
- Global variables *
- ************************************************/
extern usint accent_list[]; /* List of accent flags, in order */
extern accent accent_chars[]; /* List of accents/ornaments & flags */
extern bstr **barvector; /* Points to bar index */
extern uschar *baraccs; /* Record of accidentals in a bar */
extern uschar *baraccs_tp; /* Ditto, transposed */
extern tree_node *define_tree; /* Root of the tree of defines */
extern uschar read_accpitch[]; /* Accidental pitch table */
extern int read_barlinestyle; /* Current bar's style */
extern uschar read_basicpitch[]; /* Basic pitch table */
extern int read_ch; /* The current character */
extern uschar *read_chptr; /* Pointer to next character */
extern int read_copied_fontsizestr; /* Flag for store managing */
extern dirstr *read_dir; /* Pointer to found directive */
extern uschar *read_endptr; /* End of input line */
extern BOOL read_endstave; /* End stave flag */
extern BOOL read_EOF; /* EOF reached */
extern filestr *read_filestack; /* For stacking files */
extern int read_filestackptr; /* Pointer for same */
extern int read_headcount; /* Count of heading strings */
extern int read_headingsizes[];
extern int read_headmap; /* Map of headings/footings read */
extern b_ensurestr *read_lastensuredtie; /* For if last is tied chord */
extern b_playchangestr **read_lastplaychange; /* For chaining them all */
extern int read_linenumber; /* Line number */
extern int read_okdepth; /* For if nesting */
extern int read_prev_had_dbar; /* For setting up previous bar block */
extern int read_prev_had_ibar;
extern int read_prev_barlinestyle;
extern int read_skipdepth; /* For if nesting */
extern BOOL read_stavedir; /* TRUE if next stave directive is read */
extern uschar *read_word; /* Holds word read from input */
extern usint stave_accentflags; /* Default for next note */
extern int stave_accritvalue; /* holds 2 or 3 */
extern int stave_barlength; /* Current bar length */
extern int stave_barlinestyle; /* Current bar line style */
extern int stave_barnumber; /* Current bar number */
extern int stave_barrepeatcount;/* Repeat count */
extern bstr *stave_barrepeatptr; /* From here */
extern int stave_beamcount; /* While reading a beam */
extern b_notestr *stave_beamfirstnote; /* Remembering beam start */
extern BOOL stave_beaming; /* TRUE in a beam */
extern b_notestr **stave_beamstack; /* Stack of pending beam */
extern int stave_beamstackptr; /* Pointer therein */
extern int stave_beamstemforce; /* Stem force value in a beam */
extern BOOL stave_checklength; /* Check bar length */
extern int stave_chordcount; /* Count of notes in last chord */
extern int stave_clef; /* Current input clef */
extern int stave_clef_octave; /* Sounding octave adjustment */
extern BOOL stave_copy_accs; /* Copy accidentals for 'p' and 'x' notes */
extern int stave_couplestate; /* Current coupling */
extern int stave_fbfont; /* Default initial font */
extern int stave_fbsize; /* Default size */
extern BOOL stave_firstinbar; /* Flags first note */
extern b_notestr *stave_firstnoteptr; /* The start of the most recent note */
extern BOOL stave_hadnocount; /* To ignore 2nd nocount */
extern int stave_hairpinbegun; /* Remember state of hairpin */
extern int stave_hairpinflags; /* Current hairpin options */
extern int stave_hairpinsru; /* Remember sru value */
extern int stave_hairpinwidth; /* Current width */
extern int stave_hairpiny; /* Default y value */
extern int stave_key; /* Current key */
extern int stave_key_tp; /* Transposed key */
extern int stave_lastgracestem; /* Stemforce value for previous grace */
extern b_notestr *stave_lastbasenoteptr; /* Points to start of previous original note */
extern b_notestr *stave_lastnoteptr; /* Points to start of previous note or rest */
extern BOOL stave_laststemup; /* Flag */
extern int stave_lasttiepitch; /* Pitch of single tied note */
extern BOOL stave_lastwasdouble; /* Last bar had double bar line */
extern BOOL stave_lastwastied; /* Flag */
extern int stave_matchnum; /* Factor for triplet/duplet matching */
extern int stave_matchden;
extern int stave_maxaway; /* "Depth" of a beam */
extern int stave_maxbarlength; /* High water mark length */
extern int stave_maxpitch; /* Max note on a stave */
extern int stave_minpitch; /* Min note on a stave */
extern int stave_noteden; /* Divides note length */
extern int stave_noteflags; /* Default flags */
extern int stave_notenum; /* Multiplies note length */
extern BOOL stave_notes; /* Notes on/off state */
extern int stave_octave; /* Octave number *12 */
extern int stave_olfont; /* Default font */
extern int stave_olsize; /* Default size */
extern int stave_ornament; /* Default ornament */
extern BOOL stave_overbeam; /* Continue over bar line */
extern ulaypend *stave_pendulay; /* Pending underlay chain */
extern int stave_pitchcount; /* Count of notes on a stave */
extern int stave_pitchtotal; /* Total of pitches on a stave */
extern int stave_pletflags; /* Default plet flags */
extern int stave_pletlen; /* Current plet parameter */
extern int stave_pletsupnum; /* Plet parameters */
extern int stave_pletsupden;
extern int stave_plety; /* Default y value */
extern int stave_printpitch; /* Forced printing pitch */
extern int stave_requiredbarlength; /* As determined by key sig */
extern BOOL stave_resetOK; /* [reset] permitted */
extern int stave_restlevel; /* current rest level */
extern int stave_slurcount; /* Nesting depth */
extern int stave_smove; /* Space save after smove */
extern BOOL stave_smove_relative;/* Relative flag for same */
extern int stave_stemflag; /* Default "not noteheads only" */
extern int stave_stemforce; /* Current stem option */
extern int stave_stemlength; /* Default stem length */
extern b_notestr **stave_stemstack; /* Stack of pending stems */
extern int stave_stemstackptr; /* Pointer therein */
extern int *stave_stemswaplevel; /* Pointer to current table */
extern BOOL stave_string_followOK; /* OK for a followon string */
extern BOOL stave_suspended; /* For automatic resume */
extern int stave_textabsolute; /* Default absolute position */
extern int stave_textflags; /* Default text flags */
extern int stave_textfont; /* Default initial font */
extern int stave_textsize; /* Default text size */
extern tiedata *stave_tiedata; /* For saving tie info */
extern int stave_ties; /* Tie direction */
extern int stave_totalnocount; /* Count uncounted bars */
extern int stave_transpose; /* Current transposition */
extern BOOL stave_transposedaccforce; /* Default acc forcing */
extern int stave_transpose_letter; /* Current letter transposition */
extern BOOL stave_transpose_letter_is_auto; /* Automatically set */
extern BOOL stave_tripletize; /* Tripletize dotted quaver pairs */
extern int stave_ulfont; /* Default initial font */
extern int stave_ulsize; /* Default size */
extern uschar *next_buffer; /* For reading next line */
extern uschar *this_buffer; /* The current line */
extern uschar *prev_buffer; /* The previous line */
/*************************************************
- Global procedures *
- ************************************************/
extern void next_ch(void);
extern void next_word(void);
extern void next_heading(void);
extern void pre_process(void);
extern BOOL read_bar(void);
extern void read_boolproc(void);
extern int read_clef(void);
extern int read_compute_barlength(int);
extern void read_draw(void);
extern drawtextstr *read_draw_text(void);
extern BOOL read_expect_integer(int *, int, int);
extern int read_getmidinumber(uschar *, uschar *, uschar *);
extern void read_headfootingtext(headstr *, int);
extern void read_initbaraccs(uschar *, int);
extern int read_integer(BOOL);
extern int read_key(void);
extern int read_movevalue(void);
extern void read_note(void);
extern BOOL read_plainstring(void);
extern void read_resetstemflag(b_notestr *, int);
extern int read_scaletime(int);
extern void read_setbeamstems(void);
extern void read_setfontsfortime(int, int);
extern void read_sortchord(b_notestr *, int);
extern void read_stavedirective(void);
extern int read_stavepitch(void);
extern int read_time(void);
/* End of readhdr.h */