/** \file pp.h

* for functions that are internal to exppp, not shared

*/

#ifndef PP_H

#define PP_H

#include <stdbool.h>

#include <express/symbol.h>

extern int indent2; /**< where continuation lines start */

extern int curpos; /**< current line position (1 is first position) */

extern const int NOLEVEL; /**< unused-level indicator */

extern Symbol error_sym; /**< only used when printing errors */

extern Error ERROR_select_empty;

extern FILE * exppp_fp;

extern bool first_line;

/** output a string, exactly as provided

* \sa wrap()

*/

void raw( const char * fmt, ... );

/** output a string, insert newlines to keep line length down

* TODO list globals this func uses

* \sa raw()

*/

void wrap( const char * fmt, ... );

/** convert a real into our preferred form compatible with 10303-11

* (i.e. decimal point is required; no trailing zeros)

* uses a static buffer, so NOT thread safe

* \param r the real to convert

* \returns const char pointer to static buffer containing ascii representation of real

*/

const char * real2exp( double r );

/** Break a long un-encoded string up, enclose in '', output via raw()

* if short, don't insert line breaks

* \param in the input string

*

* side effects: output via raw()

* reads globals indent2 and curpos

*/

void breakLongStr( const char * in );

int finish_buffer();

int minimum( int a, int b, int c );

int prep_buffer( char * buf, int len );

int prep_string();

void finish_file();

void first_newline();

void prep_file();

char * finish_string();

const char * real2exp( double r );

void exp_output( char * buf, unsigned int len );

void exppp_init();

void exppp_ref_info( Symbol * s );

extern char * placeholder;

#endif /* PP_H */