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gpdf.c
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////////////////////////////////////////////////////////////////////////////////
//
// Gpdf - Convert GedCOM file tp pdf chart.
//
// Copyright (C) 2016 Bill Farmer
//
// This program is free software; you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation; either version 2 of the License, or
// (at your option) any later version.
//
// This program is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License along
// with this program; if not, write to the Free Software Foundation, Inc.,
// 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
//
// Bill Farmer william j farmer [at] yahoo [dot] co [dot] uk.
//
///////////////////////////////////////////////////////////////////////////////
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <setjmp.h>
#include <unistd.h>
#include <stdbool.h>
#include "hpdf.h"
#include "gpdf.h"
static const int pagesizes[5][2] =
{{840, 1188},
{594, 840},
{420, 594},
{297, 420},
{210, 297}};
static const double multiplier = 72.0 / 25.4;
indi inds[SIZE_INDS] = {};
faml fams[SIZE_FAMS] = {};
int genc[SIZE_GENS] = {};
indi *indp;
faml *famp;
int state = STATE_NONE;
int date = DATE_NONE;
int plac = PLAC_NONE;
int fmss = 0;
int chln = 0;
int gens = 0;
// Start individuals and families at index 1, then 0 is an unused slot
int indindex = 1;
int famindex = 1;
int slotmax = 0;
bool writetext = false;
bool readtext = false;
bool boldnames = false;
char file[SIZE_NAME];
char text[SIZE_NAME];
char *progname;
float fontsize = SIZE_FONT;
int pagesize = SIZE_PAGE;
// jmp_buf for arcane HPDF error handler
jmp_buf env;
int main(int argc, char *argv[])
{
int c;
// Store program name for error messages
progname = argv[0];
// Check args
opterr = 0;
while ((c = getopt(argc, argv, "bwr:f:p:")) != -1)
{
switch (c)
{
case 'b':
boldnames = true;
break;
case 'w':
writetext = true;
break;
case 'r':
readtext = true;
strncpy(text, optarg, sizeof(text) - 1);
break;
case 'f':
fontsize = atof(optarg);
break;
case 'p':
if ((tolower(optarg[0]) == 'a') &&
(atoi(&optarg[1]) >= 0) && (atoi(&optarg[1]) <= 4))
pagesize = atoi(&optarg[1]);
else
{
fprintf (stderr, "%s: '%s' is not a valid page size\n",
progname, optarg);
return GPDF_ERROR;
}
break;
case '?':
if (optopt == 'f')
fprintf (stderr, "%s: Option -%c requires an argument\n",
progname, optopt);
else if (isprint (optopt))
fprintf (stderr, "%s: Unknown option `-%c'\n",
progname, optopt);
else
fprintf (stderr,
"%s: Unknown option character `\\x%x'\n",
progname, optopt);
return GPDF_ERROR;
default:
return GPDF_ERROR;
}
}
if (argv[optind] == NULL)
{
fprintf(stderr,
"Usage: %s [-w] [-r <textfile>] [-p pagesize] "
"[-f fontsize] <infile>\n\n",
progname);
fprintf(stderr, " -w - write text file and layout page\n");
fprintf(stderr, " -r - read text file before write\n");
// fprintf(stderr, " -b - surnames in bold text\n");
fprintf(stderr, " -p - set page size A0 -- A4\n");
fprintf(stderr, " -f - set font size in points (1/72 inch)\n");
return GPDF_ERROR;
}
int result;
// Parse the input file
result = parse_gedcom_file(argv[optind]);
if (result != GPDF_SUCCESS)
{
fprintf(stderr, "%s: Couldn't parse %s\n", progname, argv[optind]);
return GPDF_ERROR;
}
// Find generations in data
find_generations();
// If reading text file
if (readtext)
read_textfile();
// If writing text file
if (writetext)
write_textfile();
// Draw the tree
draw_pdf();
return GPDF_SUCCESS;
}
// Resolve GEDCOM xrefs
int find_individual(char *xref)
{
// Overflow check
if (indindex >= SIZE_INDS)
return 0;
for (int i = 1; i < indindex; i++)
{
// If found return id
if ((inds[i].id > 0) && (strcmp(inds[i].xref, xref) == 0))
{
return inds[i].id;
}
}
// Use next slot, save xref and return id
inds[indindex].id = indindex;
strncpy(inds[indindex].xref, xref, SIZE_XREF - 1);
return inds[indindex++].id;
}
int find_family(char *xref)
{
// Overflow check
if (famindex >= SIZE_FAMS)
return 0;
for (int i = 1; i < famindex; i++)
{
// If found return id
if ((fams[i].id > 0) && (strcmp(fams[i].xref, xref) == 0))
{
return fams[i].id;
}
}
// Use next slot, save xref and return id
fams[famindex].id = famindex;
strncpy(fams[famindex].xref, xref, SIZE_XREF - 1);
return fams[famindex++].id;
}
int parse_gedcom_file(char *filename)
{
FILE *infile = NULL;;
char line[SIZE_LINE];
char *linep = line;
size_t size = sizeof(line);
int status;
// Open the file
infile = fopen(filename, "r");
if (infile == NULL)
return GPDF_ERROR;
// Get lines
while (getline(&linep, &size, infile) != -1)
{
int type = 0;
char first[SIZE_NAME] = {0};
char second[SIZE_NAME] = {0};
// parse fields
sscanf(line, "%d %63s %63[0-9a-zA-Z /@-]", &type, first, second);
// Check record type
switch (type)
{
case TYPE_OBJECT:
status = object(first, second);
break;
case TYPE_PROP:
status = property(first, second);
break;
case TYPE_ATTR:
status = attrib(first, second);
break;
}
if (status != GPDF_SUCCESS)
{
fclose(infile);
return GPDF_ERROR;
}
}
fclose(infile);
return GPDF_SUCCESS;
}
int object(char *first, char *second)
{
// Head
if (strcmp(first, "HEAD") == 0)
{
state = STATE_HEAD;
}
// Individual
else if (strcmp(second, "INDI") == 0)
{
int id = 0;
char xref[SIZE_XREF];
sscanf(first, "@%31[0-9A-Za-z_]@", xref);
id = find_individual(xref);
if (id == 0)
{
fprintf(stderr, "%s: Can't find slot for '%s'\n", progname, first);
return GPDF_ERROR;
}
indp = &inds[id];
indp->id = id;
state = STATE_INDI;
fmss = 0;
}
// Family
else if (strcmp(second, "FAM") == 0)
{
int id = 0;
char xref[SIZE_XREF];
sscanf(first, "@%31[0-9A-Za-z_]@", xref);
id = find_family(xref);
if (id == 0)
{
fprintf(stderr, "%s: Can't find slot for '%s'\n", progname, first);
return GPDF_ERROR;
}
famp = &fams[id];
famp->id = id;
state = STATE_FAML;
chln = 0;
}
else
state = STATE_NONE;
return GPDF_SUCCESS;
}
int property(char *first, char *second)
{
switch (state)
{
// Head
case STATE_HEAD:
if (strcmp(first, "FILE") == 0)
{
strncpy(file, second, sizeof(file) - 1);
}
break;
// Individual
case STATE_INDI:
if (strcmp(first, "NAME") == 0)
{
strncpy(indp->name, second, SIZE_NAME - 1);
}
else if (strcmp(first, "SEX") == 0)
{
strncpy(indp->sex, second, SIZE_SEX - 1);
}
else if (strcmp(first, "BIRT") == 0)
{
date = DATE_BIRT;
plac = PLAC_BIRT;
}
else if (strcmp(first, "DEAT") == 0)
{
indp->deat.yes = true;
date = DATE_DEAT;
plac = PLAC_DEAT;
}
else if (strcmp(first, "FAMC") == 0)
{
int id = 0;
char xref[SIZE_XREF];
sscanf(second, "@%31[0-9A-Za-z_]@", xref);
id = find_family(xref);
if (id == 0)
{
fprintf(stderr, "%s: Can't find slot for '%s'\n",
progname, second);
return GPDF_ERROR;
}
indp->famc = &fams[id];
}
else if (strcmp(first, "FAMS") == 0)
{
int id = 0;
char xref[SIZE_XREF];
sscanf(second, "@%31[0-9A-Za-z_]@", xref);
id = find_family(xref);
if (id == 0)
{
fprintf(stderr, "%s: Can't find slot for '%s'\n",
progname, second);
return GPDF_ERROR;
}
indp->fams[fmss++] = &fams[id];
}
else if (strcmp(first, "NCHI") == 0)
{
indp->nchi = atoi(second);
}
else if (strcmp(first, "OCCU") == 0)
{
strncpy(indp->occu, second, SIZE_OCCU - 1);
}
else
{
date = DATE_NONE;
plac = PLAC_NONE;
}
break;
// Family
case STATE_FAML:
if (strcmp(first, "HUSB") == 0)
{
int id = 0;
char xref[SIZE_XREF];
sscanf(second, "@%31[0-9A-Za-z_]@", xref);
id = find_individual(xref);
if (id == 0)
{
fprintf(stderr, "%s: Can't find slot for '%s'\n",
progname, second);
return GPDF_ERROR;
}
famp->husb = &inds[id];
}
else if (strcmp(first, "WIFE") == 0)
{
int id = 0;
char xref[SIZE_XREF];
sscanf(second, "@%31[0-9A-Za-z_]@", xref);
id = find_individual(xref);
if (id == 0)
{
fprintf(stderr, "%s: Can't find slot for '%s'\n",
progname, second);
return GPDF_ERROR;
}
famp->wife = &inds[id];
}
else if (strcmp(first, "CHIL") == 0)
{
int id = 0;
char xref[SIZE_XREF];
sscanf(second, "@%31[0-9A-Za-z_]@", xref);
id = find_individual(xref);
if (id == 0)
{
fprintf(stderr, "%s: Can't find slot for '%s'\n",
progname, second);
return GPDF_ERROR;
}
famp->chil[++chln] = &inds[id];
}
else if (strcmp(first, "MARR") == 0)
{
famp->marr.yes = true;
date = DATE_MARR;
plac = PLAC_MARR;
}
else if (strcmp(first, "DIV") == 0)
{
famp->divc.yes = true;
date = DATE_DIVC;
plac = PLAC_DIVC;
}
else
{
date = DATE_NONE;
plac = PLAC_NONE;
}
break;
}
return GPDF_SUCCESS;
}
int attrib(char *first, char *second)
{
switch (state)
{
// Individual
case STATE_INDI:
if (strcmp(first, "GIVN") == 0)
{
strncpy(indp->givn, second, SIZE_GIVN - 1);
}
else if (strcmp(first, "SURN") == 0)
{
strncpy(indp->surn, second, SIZE_SURN - 1);
}
else if (strcmp(first, "NICK") == 0)
{
strncpy(indp->nick, second, SIZE_NICK - 1);
}
else if (strcmp(first, "_MARNM") == 0)
{
strncpy(indp->marn, second, SIZE_NAME - 1);
}
else if (strcmp(first, "DATE") == 0)
{
switch (date)
{
case DATE_BIRT:
strncpy(indp->birt.date, second, SIZE_DATE - 1);
break;
case DATE_DEAT:
strncpy(indp->deat.date, second, SIZE_DATE - 1);
break;
}
}
else if (strcmp(first, "PLAC") == 0)
{
switch (plac)
{
case PLAC_BIRT:
strncpy(indp->birt.plac, second, SIZE_PLAC - 1);
break;
case PLAC_DEAT:
strncpy(indp->deat.plac, second, SIZE_PLAC - 1);
break;
}
}
break;
// Family
case STATE_FAML:
if (strcmp(first, "DATE") == 0)
{
switch (date)
{
case DATE_MARR:
strncpy(famp->marr.date, second, SIZE_DATE - 1);
break;
case DATE_DIVC:
strncpy(famp->divc.date, second, SIZE_DATE - 1);
break;
}
}
else if (strcmp(first, "PLAC") == 0)
{
switch (plac)
{
case PLAC_MARR:
strncpy(famp->marr.plac, second, SIZE_PLAC - 1);
break;
case PLAC_DIVC:
strncpy(famp->divc.plac, second, SIZE_PLAC - 1);
break;
}
}
break;
}
return GPDF_SUCCESS;
}
void traverse(faml *famp, int n, bool debug)
{
if (famp != NULL)
{
if (famp->wife != NULL)
{
if (famp->wife->gens < n)
famp->wife->gens = n;
traverse(famp->wife->famc, n + 1, debug);
if (debug)
printf("INDI: %s, GENS: %d\n", famp->wife->name, n);
}
if (famp->husb != NULL)
{
if (famp->husb->gens < n)
famp->husb->gens = n;
traverse(famp->husb->famc, n + 1, debug);
if (debug)
printf("INDI: %s, GENS: %d\n", famp->husb->name, n);
}
}
}
int find_generations()
{
// Iterate through the individuals
for (int i = 1; i < indindex; i++)
{
bool debug = false;
if (inds[i].id > 0)
{
// if (strcmp(inds[i].xref, "I2") == 0)
// debug = true;
// If they have parents
if (inds[i].famc != NULL)
traverse(inds[i].famc, 1, debug);
// Remember generations
if (gens < inds[i].gens)
gens = inds[i].gens;
if (debug)
printf("INDI: %s, GENS: %d\n", inds[i].name, inds[i].gens);
}
}
// Iterate through the individuals
for (int i = 1; i < indindex; i++)
{
if (inds[i].id > 0)
{
if (inds[i].famc != NULL)
{
// Check mother
if ((inds[i].famc->wife != NULL) &&
(inds[i].gens < inds[i].famc->wife->gens - 1))
inds[i].gens = inds[i].famc->wife->gens - 1;
// Check father
if ((inds[i].famc->husb != NULL) &&
(inds[i].gens < inds[i].famc->husb->gens - 1))
inds[i].gens = inds[i].famc->husb->gens - 1;
}
// Calculate x position on page
inds[i].posn.x = inds[i].gens;
}
}
// Iterate through the individuals
for (int i = 1; i < indindex; i++)
{
if (inds[i].id > 0)
{
// If male
if (inds[i].sex[0] == 'M')
{
// See if a wife has more generations
for (int j = 0; j < SIZE_FMSS; j++)
{
if ((inds[i].fams[j] != NULL) &&
(inds[i].fams[j]->wife != NULL) &&
(inds[i].fams[j]->wife->gens > inds[i].gens))
inds[i].gens = inds[i].fams[j]->wife->gens;
}
}
else
{
// See if a husband has more generations
for (int j = 0; j < SIZE_FMSS; j++)
{
if ((inds[i].fams[j] != NULL) &&
(inds[i].fams[j]->husb != NULL) &&
(inds[i].fams[j]->husb->gens > inds[i].gens))
inds[i].gens = inds[i].fams[j]->husb->gens;
}
}
}
}
// Iterate through the individuals
for (int i = 1; i < indindex; i++)
{
if (inds[i].id > 0)
// Increment generation count
genc[inds[i].gens]++;
}
return GPDF_SUCCESS;
}
int write_textfile()
{
char filename[SIZE_LINE];
FILE *textfile;
strcpy(filename, file);
strcat(filename, ".txt");
#ifndef __MINGW32__
textfile = fopen(filename, "wx");
#else
// File open mode 'wx' not supported by windows, although in POSIX
// accorrding to Gnu C Library docs.
textfile = fopen(filename, "r");
if (textfile != NULL)
{
fclose(textfile);
fprintf(stderr, "%s: Not overwriting '%s'\n", progname, filename);
return GPDF_SUCCESS;
}
textfile = fopen(filename, "w");
#endif
if (textfile == NULL)
{
fprintf(stderr, "%s: cant't write to %s\n", progname, filename);
return GPDF_SUCCESS;
}
fprintf(textfile, " 0 posn suggested\n");
fprintf(textfile, " 0 xref x y x Name\n");
for (int i = 1; i < SIZE_INDS; i++)
{
if (inds[i].id > 0)
{
fprintf(textfile, "%4d %-4s %2.0f %4.1f %2d %s\n",
inds[i].id, inds[i].xref, inds[i].posn.x, inds[i].posn.y,
inds[i].gens, inds[i].name);
}
}
fclose(textfile);
return GPDF_SUCCESS;
}
int read_textfile()
{
char filename[SIZE_NAME];
char line[SIZE_LINE];
char *linep = line;
size_t size = sizeof(line);
FILE *textfile;
float slots = 0;
if (readtext)
strcpy(filename, text);
else
{
strcpy(filename, file);
strcat(filename, ".txt");
}
textfile = fopen(filename, "r");
if (textfile == NULL)
{
fprintf(stderr, "%s: can't read '%s'\n", progname, filename);
return GPDF_ERROR;
}
while (getline(&linep, &size, textfile) != -1)
{
int id = 0;
char xref[SIZE_XREF];
float x = 0;
float y = 0;
// Parse first four fields, ignore the rest
sscanf(line, " %d %s %f %f", &id, xref, &x, &y);
if (id > 0)
{
id = find_individual(xref);
if (id > 0)
{
inds[id].posn.x = x;
inds[id].posn.y = y;
if (slots < y)
slots = y;
}
}
}
fclose(textfile);
slotmax = slots;
return GPDF_SUCCESS;
}
// Error handler from examples
void error_handler(HPDF_STATUS error_no, HPDF_STATUS detail_no,
void *user_data __attribute__ ((unused)))
{
fprintf (stderr, "%s: libHaru error_no = %04X, detail_no = %u\n",
progname, (HPDF_UINT)error_no, (HPDF_UINT)detail_no);
longjmp(env, 1);
}
// Draw individual info
int draw_individuals(HPDF_Page page, HPDF_Font font, HPDF_Font bold,
float fontsize, float height,
float slotwidth, float slotheight)
{
HPDF_Page_SetFontAndSize(page, font, fontsize);
HPDF_Page_BeginText(page);
// Iterate through the individuals
for (int i = 0; i < indindex; i++)
{
if (inds[i].id > 0)
{
// Check the position
if (inds[i].posn.y > 0)
{
float x = (SIZE_MARGIN + (SIZE_INSET * 2)) +
(inds[i].posn.x * slotwidth);
float y = height - SIZE_MARGIN -
(inds[i].posn.y * slotheight);
// Name
if (inds[i].givn[0] == '\0')
{
char *givn;
char *surn;
char *endn;
// Name
givn = inds[i].name;
surn = strchr(inds[i].name, '/');
if (surn != NULL)
*surn = '\0';
surn += 1;
endn = strchr(surn, '/');
if (endn != NULL)
*endn = '\0';
HPDF_Page_TextOut(page, x, y, givn);
HPDF_Page_SetFontAndSize(page, bold, fontsize);
HPDF_Page_ShowText(page, surn);
HPDF_Page_SetFontAndSize(page, font, fontsize);
}
else
{
// Given names surname
HPDF_Page_TextOut(page, x, y, inds[i].givn);
if (inds[i].nick[0] != '\0')
{
HPDF_Page_ShowText(page, " '");
HPDF_Page_ShowText(page, inds[i].nick);
HPDF_Page_ShowText(page, "' ");
}
else
HPDF_Page_ShowText(page, " ");
HPDF_Page_SetFontAndSize(page, bold, fontsize);
HPDF_Page_ShowText(page, inds[i].surn);
HPDF_Page_SetFontAndSize(page, font, fontsize);
}
// Birth
if ((inds[i].birt.date[0] != '\0') &&
(inds[i].birt.plac[0] != '\0'))
{
HPDF_Page_MoveToNextLine(page);
HPDF_Page_MoveTextPos(page, 0, -fontsize);
HPDF_Page_ShowText(page, "b ");
HPDF_Page_ShowText(page, inds[i].birt.date);
HPDF_Page_ShowText(page, " ");
HPDF_Page_ShowText(page, inds[i].birt.plac);
}
else if (inds[i].birt.date[0] != '\0')
{
HPDF_Page_MoveToNextLine(page);
HPDF_Page_MoveTextPos(page, 0, -fontsize);
HPDF_Page_ShowText(page, "b ");
HPDF_Page_ShowText(page, inds[i].birt.date);
}
else if (inds[i].birt.plac[0] != '\0')
{
HPDF_Page_MoveToNextLine(page);
HPDF_Page_MoveTextPos(page, 0, -fontsize);
HPDF_Page_ShowText(page, "b ");
HPDF_Page_ShowText(page, inds[i].birt.plac);
}
// Occupation
if (inds[i].occu[0] != '\0')
{
HPDF_Page_MoveToNextLine(page);
HPDF_Page_MoveTextPos(page, 0, -fontsize);
HPDF_Page_ShowText(page, "o ");
HPDF_Page_ShowText(page, inds[i].occu);
}
// Marriages and divorces
if (inds[i].sex[0] == 'F')
{
for (int j = 0; j < SIZE_FMSS; j++)