tooltable.c

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/*
 * tooltable.c
 * Copyright (C) 2004 dmitri (at) users.sourceforge.net
 *
 * $Id$
 *
 * 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., 59 Temple Place, Suite 330, Boston, MA 02111 USA
 */
 
#include <ctype.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
 
#include "common.h"
#include "gerbv.h"
 
#define MIN_TOOL_NUMBER 1  /* T01 */
#define MAX_TOOL_NUMBER 99 /* T99 */
 
static int    have_tools_file = 0;
static double tools[1 + MAX_TOOL_NUMBER];
 
static void
ProcessToolLine(const char* cp, const char* file_name, long int file_line) {
    const char* cp0 = cp;
    int         toolNumber;
    double      toolDia;
 
    if (cp == NULL)
        return;
 
    /* Skip leading spaces if there are some */
    while (isspace((int)*cp)) {
        if (*(++cp) == '\0')
            return;
    }
 
    if (*cp != 'T') {
        GERB_COMPILE_WARNING(
            _("Ignored strange tool \"%s\" "
              "at line %ld in file \"%s\""),
            cp0, file_line, file_name
        );
        return;
    }
    if ((!isdigit((int)cp[1])) || (!isdigit((int)cp[2]))) {
        GERB_COMPILE_WARNING(
            _("No tool number in \"%s\" "
              "at line %ld in file \"%s\""),
            cp0, file_line, file_name
        );
        return;
    }
    do {
        char tnb[3];
        tnb[0]     = cp[1];
        tnb[1]     = cp[2];
        tnb[2]     = '\0';
        toolNumber = atoi(tnb);
        if ((toolNumber < MIN_TOOL_NUMBER) || (toolNumber > MAX_TOOL_NUMBER)) {
            GERB_COMPILE_WARNING(
                _("Can't parse tool number in \"%s\" "
                  "at line %ld in file \"%s\""),
                cp0, file_line, file_name
            );
            return;
        }
    } while (0);
 
    cp += 3; /* Skip Tnn */
 
    /* Skip following spaces if there are some */
    while (isspace((int)*cp)) {
        if (*(++cp) == '\0')
            return;
    }
 
    /* The rest of the line is supposed to be the tool diameter in inches. */
    toolDia = atof(cp);
 
    if (toolDia <= 0) {
        GERB_COMPILE_ERROR(
            _("Tool T%02d diameter is impossible "
              "at line %ld in file \"%s\""),
            toolNumber, file_line, file_name
        );
        return;
    }
    if (toolDia < 0.001) {
        GERB_COMPILE_WARNING(
            _("Tool T%02d diameter is very small "
              "at line %ld in file \"%s\""),
            toolNumber, file_line, file_name
        );
    }
 
    if (tools[toolNumber] != 0) {
        GERB_COMPILE_ERROR(
            _("Tool T%02d is already defined, occurred "
              "at line %ld in file \"%s\""),
            toolNumber, file_line, file_name
        );
        GERB_FATAL_ERROR(
            _("Exiting because this is a HOLD error "
              "at any board house.")
        );
        exit(1);
        return;
    }
 
    tools[toolNumber] = toolDia;
} /* ProcessToolLine */
 
int
gerbv_process_tools_file(const char* tf) {
    FILE*    f;
    char     buf[80];
    long int file_line = 0;
 
    have_tools_file = 0;
    memset(tools, 0, sizeof(tools));
 
    if (tf == NULL)
        return 0;
 
    f = fopen(tf, "r");
    if (f == NULL) {
        GERB_COMPILE_ERROR(_("Failed to open \"%s\" for reading"), tf);
        return 0;
    }
    while (!feof(f)) {
        memset(buf, 0, sizeof(buf));
        if (NULL == fgets(buf, sizeof(buf) - 1, f))
            break;
 
        file_line++;
        ProcessToolLine(buf, tf, file_line);
    }
    fclose(f);
    have_tools_file = 1;
    return 1;
} /* gerbv_process_tools_file */
 
double
gerbv_get_tool_diameter(int toolNumber) {
    if (!have_tools_file)
        return 0;
    if ((toolNumber < MIN_TOOL_NUMBER) || (toolNumber > MAX_TOOL_NUMBER))
        return 0;
    return tools[toolNumber];
} /* gerbv_get_tool_diameter */