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authorNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
committerNorbert Preining <norbert@preining.info>2019-09-02 13:46:59 +0900
commite0c6872cf40896c7be36b11dcc744620f10adf1d (patch)
tree60335e10d2f4354b0674ec22d7b53f0f8abee672 /support/word2x/html-table.cc
Initial commit
Diffstat (limited to 'support/word2x/html-table.cc')
-rw-r--r--support/word2x/html-table.cc297
1 files changed, 297 insertions, 0 deletions
diff --git a/support/word2x/html-table.cc b/support/word2x/html-table.cc
new file mode 100644
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+++ b/support/word2x/html-table.cc
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+/* $Id: html-table.cc,v 1.4 1997/04/01 01:02:28 dps Exp $ */
+/* Html table layout */
+#ifdef HAVE_CONFIG_H
+#include "config.h"
+#endif /* HAVE_CONFIG_H */
+#include <iostream.h>
+#include <stdio.h>
+#include <stdlib.h>
+#ifdef HAVE_STRING_H
+#include <string.h>
+#endif /* HAVE_STRING_H */
+#ifdef HAVE_STRINGS_H
+#include <strings.h>
+#endif /* HAVE_STRINGS_H */
+#include "tblock.h"
+#include "html-table.h"
+#define __EXCLUDE_READER_CLASSES
+#include "lib.h"
+#ifndef HAVE_ALLOCA_H
+extern "C" char *alloca(int);
+#else
+#include <alloca.h>
+#endif /* HAVE_ALLOCA_H */
+
+struct rdata
+{
+ struct wd_info w;
+ const char *data;
+};
+
+
+
+/* Print row after folding of columns has been done */
+static void basic_print_row(int ncols, const struct rdata *cols,
+ int maxw, FILE *out)
+{
+ const char *s;
+ int i, nsp, nz;
+ align_t al;
+ num_info n;
+ tblock output, *outp;
+
+ /* Print the content */
+ output.add("<TR>");
+ for (i=0; i<ncols; i++)
+ {
+ output.add("<TD>");
+
+ s=cols[i].data;
+ al=cols[i].w.align;
+ if (cols[i].w.dp_col>=0)
+ {
+ n=scan_num(s);
+ if (n.dot_pos!=-1)
+ {
+ nz=cols[i].w.dp_col-n.dot_pos;
+ if ((!n.has_sign) && (cols[i].w.has_sign))
+ {
+ /*
+ output.add("\\phantom{$-$");
+ if (nz>0)
+ {
+ while (nz--)
+ output.add('0');
+ }
+ output.add("}");
+ */
+ }
+ else
+ {
+ if (n.has_sign)
+ nz++; // - does not count as a digit.
+ if (nz>0)
+ {
+ /*
+ output.add("\\phantom{");
+ while (nz--)
+ output.add('0');
+ output.add("}");
+ */
+ }
+ }
+ if (n.has_sign)
+ {
+ /* Typeset the sign in math mode */
+ output.add(*s);
+ s++;
+ }
+ output.add(s);
+ if (nsp-cols[i].w.dp_col+n.dot_pos>0
+ && cols[i].w.align!=ALIGN_LEFT)
+ output.add(""); /* was hfill */
+ al=ALIGN_DP;
+ }
+ }
+
+ switch(al)
+ {
+ case ALIGN_DP:
+ break;
+
+ case ALIGN_LEFT:
+ case ALIGN_CENTER:
+ case ALIGN_RIGHT:
+ output.add(s);
+ break;
+
+ default:
+ fprintf(stderr,"basic_print_row: Invalid alignment\n");
+ break;
+ }
+
+ output.add(" </TD> "); // Seperate columns
+ }
+ output.add(" \n"); // converted to \\ \n by word_wrap.
+ outp=word_wrap((const char *) output, "\n", "</TR>\n", maxw, 0);
+ fputs((const char *) (*outp), out);
+ delete(outp);
+}
+
+extern tblock *__html_do_map(const char *);
+/* Split the elements of a row */
+static void print_row(int ncols, const struct rdata *dp, int maxw, FILE *out)
+{
+ static const char null_string[]={'\0'};
+ struct rdata *rd;
+ tblock *d;
+ int i;
+
+ /* Allocate structures */
+ if ((rd=(struct rdata *) alloca(ncols*sizeof(rdata)))==NULL)
+ {
+ fprintf(stderr, "print_row: fatal alloca failure\n");
+ exit(1);
+ }
+
+ /* Convert data to *TeX */
+ for (i=0; i<ncols; i++)
+ {
+ rd[i].w=dp[i].w;
+ if (dp[i].data==NULL)
+ {
+ rd[i].data=null_string; // Avoid complication of null in
+ // basic_print_row
+ continue; // Move on to next item
+ }
+
+ d=__html_do_map(dp[i].data);
+ if ((rd[i].data=strdup(*d))==NULL)
+ {
+ fprintf(stderr, "html_table::print_row: fatal alloca failure\n");
+ exit(1);
+ }
+ delete(d);
+ }
+ basic_print_row(ncols, rd, maxw, out); // Printing the rows is actually
+ // quite complex.
+ for (i=0; i<ncols; i++)
+ {
+ if (rd[i].data!=null_string)
+ free((void *) rd[i].data); // Free data
+ }
+}
+
+
+
+/* Returns NULL or text message */
+const char *html_table::print_table(int wd, FILE *out, const int ruled)
+{
+ int i,j;
+ struct rdata *d;
+ const struct col_info *col;
+
+ if ((d=(struct rdata *) alloca(cols*sizeof(struct rdata)))==NULL)
+ {
+ cerr<<"html_table::print_table alloca failute (fatal)\n";
+ return "[Table omitted due to lack of memory]";
+ }
+ if (cols==0 || rows==0)
+ {
+ fputs("[empty tabel ignored]\n", out);
+ return "[Ignored empty table]";
+ }
+
+ for (i=0, col=cdata; col!=NULL; i++, col=col->next)
+ d[i].w=find_width(rows, col->data);
+
+ if (ruled)
+ fputs("<TABLE BORDER=1>", out);
+ else
+ fputs("<TABLE>", out);
+
+ for (i=0; i<cols; i++)
+ {
+ switch(d[i].w.align)
+ {
+ default:
+ cerr<<"Alignment "<<d[i].w.align<<" unsupported\n";
+ /* Fall through */
+
+ case ALIGN_LEFT:
+ /* fputc('l', out); */
+ break;
+
+ case ALIGN_CENTER:
+ /* fputc('c', out); */
+ break;
+
+ case ALIGN_RIGHT:
+ /* fputc('r', out); */
+ break;
+ }
+ }
+ fprintf(out, "\n");
+
+ for (i=0; i<rows; i++)
+ {
+ for (j=0, col=cdata; col!=NULL; j++, col=col->next)
+ d[j].data=(col->data)[i];
+ print_row(cols, d, wd, out);
+ if (i==0)
+ fputs("\\hline\n", out);
+ }
+
+ fprintf(out, "</TABLE>\n");
+ return NULL;
+}
+
+/* Set */
+int html_table::set(int c, int r, const char *s)
+{
+ struct col_info *col;
+ int i;
+
+ if (c<0 || c>=cols || r<0 || r>=rows)
+ {
+ cerr<<"Invalid request to set "<<c<<','<<r<<" in "
+ <<cols<<'x'<<rows<<" table (value "<<s<<")\n";
+ return 0;
+ }
+
+ for (col=cdata, i=0; i<c && col!=NULL; i++, col=col->next) ;
+ if (col!=NULL)
+ {
+ if (col->data[r]!=NULL)
+ free((void *) col->data[r]);
+ col->data[r]=strdup(s);
+ }
+ return 1;
+}
+
+
+/* Constructor */
+html_table::html_table(int c, int r)
+{
+ int i, j;
+ struct col_info *col, **nptr;
+
+ cols=c;
+ rows=r;
+ cdata=NULL; // Hardenning against cols=0
+ for (nptr=&cdata, i=0; i<cols; i++)
+ {
+ col=new(struct col_info);
+ *nptr=col;
+ col->next=NULL;
+ nptr=&(col->next);
+ if ((col->data=
+ (const char **) malloc(rows*(sizeof(const char *))))==NULL)
+ {
+ cerr<<"html_table::constructor: malloc failure (fatal)\n";
+ exit(1);
+ }
+ for (j=0; j<rows; j++)
+ (col->data)[j]=NULL;
+ }
+}
+
+/* Destructor */
+html_table::~html_table()
+{
+ int i;
+ struct col_info *col, *nxt;
+
+ for (col=cdata; col!=NULL;)
+ {
+ for (i=0; i<rows; i++)
+ if (col->data[i]==NULL)
+ free((void *) col->data[i]);
+ nxt=col->next;
+ free(col);
+ col=nxt;
+ }
+}
+
+
+