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/**
* gla.c - main source program file for displaying the glass map.
*
* Copyright (C) 2025 https://optics-design.com
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* See the COPYING file for the full license text.
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
int main(int argc, char* argv[]){
int filecount = 0;
char rfilename[FILENAME_MAX];
char glassname[50];
FILE *readfile;
if (argc==1){
printf("This program is designed to work with glass data from the manufacturers\n");
return 1;
}
//Argument parsing
while (--argc>0) {
if ((strstr((++argv)[0], ".xml"))){
filecount++;
strcpy(rfilename, argv[0]);
}
else {
strcpy(glassname, argv[0]);
for (int i =0; i<50; i++) {
if (!glassname[i]){
break;
}
if (glassname[i] >= 'a' && glassname[i] <= 'z'){
glassname[i] = glassname[i] - ('a'- 'A');
}
}
// while(*glassname){
// if (*glassname >= 'a' && *glassname <= 'z'){
// *glassname = *glassname - ('a'- 'A');
// }
// glassname++;
// }
// glassname = glassname -1;
}
}
// printf("%s\n", rfilename);
readfile = fopen(rfilename, "rb");
if (readfile == NULL) {
perror("Failed to open file");
return 1;
}
fseek(readfile, 0, SEEK_END);
long file_size = ftell(readfile);
if (file_size == -1) {
perror("ftell failed");
fclose(readfile);
return 1;
}
char* buffer = malloc(file_size + 1);
fseek(readfile, 0, SEEK_SET);
if (buffer == NULL) {
perror("Failed to allocate memory");
fclose(readfile);
return 1;
}
// Read the file into the buffer
size_t read_size = fread(buffer, 1, file_size, readfile);
if (read_size != file_size) {
perror("Failed to read the complete file");
free(buffer);
fclose(readfile);
return 1;
}
// Null terminate the buffer (in case it's treated as a string)
buffer[file_size] = '\0';
fclose(readfile);
// char *newline_ptr = NULL;
// for (int i = 0; i < file_size; i++) {
// if (buffer[i] == '\n') {
// newline_ptr = &buffer[i];
// break;
// }
// }
// fwrite(buffer, 1, newline_ptr - buffer, stdout);
char* line_start = buffer;
char* line_end = NULL;
int line_length;
int glafound = 0;
while ((line_end=strchr(line_start, '\n'))) {
*line_end = '\0';
if (!glafound){
if (strstr(line_start, glassname) && strstr(line_start, "<GlassName>")) {
line_length = strlen(line_start)-27; // 2*Length_of_tag+1 + 4
printf("Name: %.*s, ", line_length, line_start+14); // Length_of_tag+3
glafound = 1;
}
}
else{
if (strstr(line_start, "</NumericName>")) {
line_length = strlen(line_start)-31; // 2*Length_of_tag+1 + 4
printf("Code: %.*s", line_length, line_start+16); // Length_of_tag+3
}
// if (strstr(line_start, "</EquationType>")) {
// line_length = strlen(line_start)-33; // 2*Length_of_tag+1 + 4
// printf("Equation: %.*s\n", line_length, line_start+17); // Length_of_tag+3
// }
// if (strstr(line_start, "</Coefficient>")) {
// line_length = strlen(line_start)-32; // 2*Length_of_tag+1 + 4
// printf("Coefficient: %.*s\n", line_length, line_start+17); // Length_of_tag+3
// }
if (strstr(line_start, "</Glass>")) {
printf("\n");
glafound = 0;
}
}
line_start = line_end+1;
}
free(buffer);
return 0;
}
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