bool i_space_unit( char * p, lay_att curr, su * tm )
{
p = p; curr = curr;
return( att_val_to_su( tm, true ) ); // no negative values allowed TBD
}
void gml_binclude( gml_tag gtag )
{
bool depth_found = false;
bool file_found = false;
bool has_rec_type = false;
bool reposition;
bool reposition_found = false;
char file[FILENAME_MAX];
char rt_buff[MAX_FILE_ATTR];
char * p;
doc_element * cur_el;
su depth_su;
uint32_t depth;
size_t len;
if( (ProcFlags.doc_sect < doc_sect_gdoc) ) {
if( (ProcFlags.doc_sect_nxt < doc_sect_gdoc) ) {
xx_tag_err( err_tag_before_gdoc, gml_tagname( gtag ) );
scan_start = scan_stop;
return;
}
}
len = 0;
file[0] = '\0';
rt_buff[0] = '\0';
p = scan_start;
for( ;; ) {
while( *p == ' ' ) { // over WS to attribute
p++;
}
if( *p == '\0' ) { // end of line: get new line
if( !(input_cbs->fmflags & II_eof) ) {
if( get_line( true ) ) { // next line for missing attribute
process_line();
if( (*scan_start == SCR_char) || // cw found: end-of-tag
(*scan_start == GML_char) ) { // tag found: end-of-tag
ProcFlags.tag_end_found = true;
break;
} else {
p = scan_start; // new line is part of current tag
continue;
}
}
}
}
if( !strnicmp( "file", p, 4 ) ) {
p += 4;
p = get_att_value( p );
if( val_start == NULL ) {
break;
}
file_found = true;
len = val_len;
if( len >= FILENAME_MAX )
len = FILENAME_MAX - 1;
memcpy( file, val_start, len );
file[len] = '\0';
split_attr_file( file, rt_buff, MAX_FILE_ATTR );
if( (rt_buff[0] != '\0') ) {
has_rec_type = true;
if( rt_buff[0] != 't' ) {
xx_warn( wng_rec_type_binclude );
}
}
if( ProcFlags.tag_end_found ) {
break;
}
} else if( !strnicmp( "depth", p, 5 ) ) {
p += 5;
p = get_att_value( p );
if( val_start == NULL ) {
break;
}
depth_found = true;
if( att_val_to_su( &depth_su, true ) ) {
return;
}
depth = conv_vert_unit( &depth_su, g_spacing_ln );
if( ProcFlags.tag_end_found ) {
break;
}
} else if( !strnicmp( "reposition", p, 10 ) ) {
p += 10;
p = get_att_value( p );
if( val_start == NULL ) {
break;
}
reposition_found = true;
if( !strnicmp( "start", val_start, 5 ) ) {
reposition = true; // moving following text down by depth
} else if( !strnicmp( "end", val_start, 3 ) ) {
reposition = false; // device at proper position after insertion
} else {
xx_line_err( err_inv_att_val, val_start );
scan_start = scan_stop;
return;
}
if( ProcFlags.tag_end_found ) {
break;
}
} else { // no match = end-of-tag in wgml 4.0
ProcFlags.tag_end_found = true;
break;
}
}
// detect missing required attributes
if( !depth_found || !file_found || !reposition_found ) {
xx_err( err_att_missing );
scan_start = scan_stop;
return;
}
scr_process_break(); // flush existing text
start_doc_sect(); // if not already done
cur_el = alloc_doc_el( el_binc );
if( reposition && depth ) {
cur_el->depth = depth; // otherwise, it will be "0"
}
if( depth > 0 ) {
set_skip_vars( NULL, NULL, NULL, 1, g_curr_font );
cur_el->blank_lines = g_blank_lines;
g_blank_lines = 0;
cur_el->subs_skip = g_subs_skip;
cur_el->top_skip = g_top_skip;
}
cur_el->element.binc.depth = depth;
cur_el->element.binc.cur_left = g_cur_h_start;
cur_el->element.binc.has_rec_type = has_rec_type;
ProcFlags.skips_valid = false;
memcpy( cur_el->element.binc.file, file, len + 1 );
insert_col_main( cur_el );
scan_start = scan_stop; // skip following text
}
void gml_graphic( gml_tag gtag )
{
bool depth_found = false;
bool file_found = false;
char file[FILENAME_MAX];
char rt_buff[MAX_FILE_ATTR];
char * p;
char * pa;
doc_element * cur_el;
su cur_su;
uint32_t depth;
uint32_t scale = 100;
// the initial value of width is only correct for one-column pages.
uint32_t width = g_net_page_width;
int32_t xoff = 0;
int32_t yoff = 0;
size_t len;
if( (ProcFlags.doc_sect < doc_sect_gdoc) ) {
if( (ProcFlags.doc_sect_nxt < doc_sect_gdoc) ) {
xx_tag_err( err_tag_before_gdoc, gml_tagname( gtag ) );
scan_start = scan_stop;
return;
}
}
len = 0;
file[0] = '\0';
rt_buff[0] = '\0';
p = scan_start;
for( ;; ) {
while( *p == ' ' ) { // over WS to attribute
p++;
}
if( *p == '\0' ) { // end of line: get new line
if( !(input_cbs->fmflags & II_eof) ) {
if( get_line( true ) ) { // next line for missing attribute
process_line();
if( (*scan_start == SCR_char) || // cw found: end-of-tag
(*scan_start == GML_char) ) { // tag found: end-of-tag
ProcFlags.tag_end_found = true;
break;
} else {
p = scan_start; // new line is part of current tag
continue;
}
}
}
}
if( !strnicmp( "file", p, 4 ) ) {
p += 4;
p = get_att_value( p );
if( val_start == NULL ) {
break;
}
file_found = true;
len = val_len;
if( len >= FILENAME_MAX )
len = FILENAME_MAX - 1;
memcpy( file, val_start, len );
file[len] = '\0';
split_attr_file( file, rt_buff, sizeof( rt_buff ) );
if( (rt_buff[0] != '\0') ) {
xx_warn( wng_rec_type_graphic );
}
if( ProcFlags.tag_end_found ) {
break;
}
} else if( !strnicmp( "depth", p, 5 ) ) {
p += 5;
p = get_att_value( p );
if( val_start == NULL ) {
break;
}
depth_found = true;
pa = val_start;
if( att_val_to_su( &cur_su, true ) ) {
return;
}
depth = conv_vert_unit( &cur_su, g_spacing_ln );
if( depth == 0 ) {
xx_line_err( err_inv_depth_graphic, pa );
scan_start = scan_stop;
return;
}
if( ProcFlags.tag_end_found ) {
break;
}
} else if( !strnicmp( "width", p, 5 ) ) {
p += 5;
p = get_att_value( p );
if( val_start == NULL ) {
break;
}
if( !strnicmp( "page", val_start, 4 ) ) {
// default value is the correct value to use
} else if( !strnicmp( "column", val_start, 6 ) ) {
// default value is the correct value to use
} else { // value actually specifies the width
pa = val_start;
if( att_val_to_su( &cur_su, true ) ) {
return;
}
width = conv_hor_unit( &cur_su );
if( width == 0 ) {
xx_line_err( err_inv_width_graphic, pa );
scan_start = scan_stop;
return;
}
/* there should be a check somewhere for width > page width */
}
if( ProcFlags.tag_end_found ) {
break;
}
} else if( !strnicmp( "scale", p, 5 ) ) {
p += 5;
p = get_att_value( p );
if( val_start == NULL ) {
break;
}
pa = val_start;
if( (*pa == '+') || (*pa == '-') ) { // signs not allowed
xx_line_err( err_num_too_large, pa );
scan_start = scan_stop;
return;
}
scale = 0;
while( (*pa >= '0') && (*pa <= '9') ) { // convert to number
scale = (10 * scale) + (*pa - '0');
pa++;
if( (pa - val_start) > val_len ) { // value end reached
break;
}
}
if( scale > 0x7fffffff ) { // wgml 4.0 limit
xx_line_err( err_num_too_large, val_start );
scan_start = scan_stop;
return;
}
if( (pa - val_start) < val_len ) { // value continues on
xx_line_err( err_num_too_large, val_start );
scan_start = scan_stop;
return;
}
if( ProcFlags.tag_end_found ) {
break;
}
} else if( !strnicmp( "xoff", p, 4 ) ) {
p += 4;
p = get_att_value( p );
if( val_start == NULL ) {
break;
}
if( att_val_to_su( &cur_su, false ) ) {
return;
}
xoff = conv_hor_unit( &cur_su );
if( ProcFlags.tag_end_found ) {
break;
}
} else if( !strnicmp( "yoff", p, 4 ) ) {
p += 4;
p = get_att_value( p );
if( val_start == NULL ) {
break;
}
if( att_val_to_su( &cur_su, false ) ) {
return;
}
yoff = conv_vert_unit( &cur_su, g_spacing_ln );
if( ProcFlags.tag_end_found ) {
break;
}
} else { // no match = end-of-tag in wgml 4.0
ProcFlags.tag_end_found = true;
break;
}
}
if( !depth_found || !file_found ) { // detect missing required attributes
xx_err( err_att_missing );
scan_start = scan_stop;
return;
}
scr_process_break(); // flush existing text
start_doc_sect(); // if not already done
cur_el = alloc_doc_el( el_graph );
cur_el->depth = depth; // always used with GRAPHIC
if( !ProcFlags.ps_device ) { // character devices ignore SK & post_skip
g_skip = 0;
g_post_skip = 0;
}
set_skip_vars( NULL, NULL, NULL, 1, g_curr_font );
cur_el->blank_lines = g_blank_lines;
g_blank_lines = 0;
cur_el->subs_skip = g_subs_skip;
g_subs_skip = 0;
cur_el->top_skip = g_top_skip;
g_top_skip = 0;
cur_el->element.graph.cur_left = g_cur_h_start;
cur_el->element.graph.depth = depth;
cur_el->element.graph.scale = scale;
cur_el->element.graph.width = width;
cur_el->element.graph.xoff = xoff;
cur_el->element.graph.yoff = yoff;
ProcFlags.skips_valid = false;
memcpy( cur_el->element.graph.file, file, len + 1 );
insert_col_main( cur_el );
if( *p == '.' ) {
p++;
}
scan_start = p; // process following text
}
