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LexaCount v1.0 - First release
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‎lexacount.c

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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <errno.h>
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#include <stdbool.h>
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const char lexacount_version[] = "1.0";
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int is_quote(char *quotes_str, size_t qlen, int chr)
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{
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for (size_t i = 0; i < qlen; i++)
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{
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if (chr == quotes_str[i])
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return true;
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}
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return false;
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}
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#define is_bracket is_quote
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void show_version()
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{
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printf("LexaCount v%s - Count source lines of code.\n", lexacount_version);
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}
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void help()
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{
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show_version();
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printf(
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"Usage:\n"
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" lexacount [-b] [-t] [-l <list file>] [file1] [file2] ...\n\n"
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"Switches:\n"
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" -b, --bracket Do not count lines containing only brackets or parenthesis\n"
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" -h, --help Display this help menu\n"
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" -l, --list Load file names from a file\n"
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" -t, --table Print the output using tables\n"
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" -v, --version Display program version\n\n"
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"Copyright (c) 2024 anic17 Software\n");
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}
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void missing_param(char *s)
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{
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fprintf(stderr, "Error: Required parameter after '%s'. See 'lexacount --help' for more information.\n", s);
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exit(1);
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}
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size_t count_loc(char *filename, char **comments, char *quotes, char *brackets, size_t *file_loc, size_t *file_comment, size_t *file_blank, size_t *file_bracket, bool excludeBrackets)
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{
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*file_loc = 0;
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*file_comment = 0;
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*file_blank = 0;
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*file_bracket = 0;
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filename[strcspn(filename, "\r\n")] = '\0';
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if (filename[0] == '\0')
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{
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return 0;
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}
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FILE *count_fp = fopen(filename, "rb");
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if (!count_fp)
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{
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fprintf(stderr, "%s: %s\n", filename, strerror(errno));
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return 0;
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}
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bool isLineBlank = true;
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bool isLineOnlyBrackets = false;
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bool isFileEmpty = true;
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int chr = 0;
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size_t comment_idx = 0;
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int quoteStatus = 0; // Status of the quotes
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size_t qlen = strlen(quotes);
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size_t blen = strlen(brackets);
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size_t clen = strlen(comments[0]);
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while ((chr = fgetc(count_fp)) != EOF)
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{
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isFileEmpty = false;
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if (is_quote(quotes, qlen, chr))
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{
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quoteStatus ^= chr;
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}
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if (isLineBlank && !quoteStatus)
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{
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if (comment_idx >= clen - 1)
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{
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++(*file_comment);
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comment_idx = 0;
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continue;
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}
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if (chr == comments[0][comment_idx])
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{
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comment_idx++;
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continue;
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}
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}
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if ((!isspace(chr) || (!is_bracket(brackets, blen, chr) && excludeBrackets)))
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{
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if (is_bracket(brackets, blen, chr) && excludeBrackets)
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{
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isLineOnlyBrackets = true;
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}
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else
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{
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if (!isspace(chr))
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{
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isLineBlank = false;
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isLineOnlyBrackets = false;
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}
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}
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}
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if (chr == '\n')
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{
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if (isLineOnlyBrackets && isLineBlank)
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{
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++(*file_bracket);
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}
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else if (isLineBlank)
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{
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++(*file_blank);
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}
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++(*file_loc);
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isLineBlank = true;
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isLineOnlyBrackets = false;
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quoteStatus = 0;
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comment_idx = 0;
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}
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}
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if (!isFileEmpty)
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{
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if (isLineOnlyBrackets && isLineBlank)
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{
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++(*file_bracket);
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}
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else if (isLineBlank)
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{
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++(*file_blank);
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}
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++(*file_loc);
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}
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fclose(count_fp);
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return *file_loc;
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}
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void print_table_header(const char *formatspec, bool excludeBrackets)
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{
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printf("| ");
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printf(formatspec, "File");
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printf(" | %-10s | %-10s | %-10s |", "Code lines", "Blank", "Comments");
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if (excludeBrackets)
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{
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printf(" %-15s |", "Brackets only");
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}
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printf("\n");
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}
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void print_table_separator(size_t flen, bool excludeBrackets)
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{
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printf("|");
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for (size_t k = 0; k < flen + 2; k++)
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{
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printf("-");
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}
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printf("|------------|------------|------------|");
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if (excludeBrackets)
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{
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printf("-----------------|");
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}
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printf("\n");
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}
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void print_table_row(const char *formatspec, const char *filename, size_t lines, size_t blanks, size_t comments, size_t brackets, bool excludeBrackets)
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{
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printf("| ");
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printf(formatspec, filename);
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printf(" | %-10zu | %-10zu | %-10zu |", excludeBrackets ? (lines - blanks - comments - brackets) : (lines - blanks - comments), blanks, comments);
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if (excludeBrackets)
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{
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printf(" %-15zu |", brackets);
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}
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printf("\n");
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}
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void display_lines(const char *formatspec, const char *filename, size_t file_loc, size_t file_blank, size_t file_comment, size_t file_bracket, bool tableOutput, bool excludeBrackets)
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{
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if (tableOutput)
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{
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print_table_row(formatspec, filename, file_loc, file_blank, file_comment, file_bracket, excludeBrackets);
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}
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else
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{
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printf("%s: %zu lines", filename, excludeBrackets ? (file_loc - file_blank - file_comment - file_bracket) : (file_loc - file_blank - file_comment));
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if (file_blank > 0 || file_comment > 0 || file_bracket > 0)
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{
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printf(" (excluding");
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if (file_blank > 0)
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{
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printf(" %zu blank line%s", file_blank, (file_blank == 1) ? "" : "s");
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}
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if (file_comment > 0)
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{
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printf("%s%zu comment%s", (file_blank > 0) ? " and " : " ", file_comment, (file_comment == 1) ? "" : "s");
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}
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if (file_bracket > 0 && excludeBrackets)
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{
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printf("%s%zu line%s with only brackets", ((file_blank > 0) || (file_comment > 0)) ? " and " : " ", file_bracket, (file_bracket == 1) ? "" : "s");
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}
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printf(")");
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}
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printf("\n");
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}
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}
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int main(int argc, char *argv[])
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{
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char quotechars[] = "'\"";
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char bracketchars[] = "{}[]()";
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if (argc < 2 || !strcmp(argv[1], "--help") || !strcmp(argv[1], "/?"))
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{
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help();
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return 0;
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}
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char *loc_file = argv[1];
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FILE *list;
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char *comments[] = {"//"};
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char **fnames = calloc(argc - 1, sizeof(char *)), **list_fnames = calloc(argc - 1, sizeof(char *));
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size_t fname_count = 0, list_fname_count = 0;
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size_t longest_fname = 0;
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bool excludeBrackets = false;
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bool tableOutput = false;
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for (int i = 1; i < argc; i++)
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{
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if (!strcmp(argv[i], "-l") || !strcmp(argv[i], "--list"))
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{
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if (i + 1 < argc)
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{
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if (argv[i] != NULL)
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{
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list_fnames[list_fname_count] = calloc(strlen(argv[i + 1]) + 1, sizeof(char));
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memcpy(list_fnames[list_fname_count], argv[i + 1], strlen(argv[i + 1]));
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if (strlen(list_fnames[list_fname_count]) > longest_fname)
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{
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longest_fname = strlen(list_fnames[list_fname_count]);
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}
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list_fname_count++;
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}
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i++;
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}
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else
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{
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missing_param(argv[i]);
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}
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}
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else if (!strcmp(argv[i], "-b") || !strcmp(argv[i], "--bracket"))
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{
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excludeBrackets = true;
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}
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else if (!strcmp(argv[i], "-t") || !strcmp(argv[i], "--table"))
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{
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tableOutput = true;
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}
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else if (!strcmp(argv[i], "-v") || !strcmp(argv[i], "--version"))
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{
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show_version();
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printf("\nCopyright (c) 2024 anic17 Software\n");
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exit(0);
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}
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else
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{
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if (argv[i] != NULL)
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{
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fnames[fname_count] = calloc(strlen(argv[i]) + 1, sizeof(char));
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memcpy(fnames[fname_count], argv[i], strlen(argv[i]));
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if (strlen(fnames[fname_count]) > longest_fname)
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{
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longest_fname = strlen(fnames[fname_count]);
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}
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fname_count++;
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}
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}
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}
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size_t total_loc = 0, total_comment_loc = 0, total_blank_loc = 0, total_bracket_loc = 0;
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size_t file_loc = 0, file_comment_loc = 0, file_blank_loc = 0, file_bracket_loc = 0;
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size_t file_count = 0;
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char filename[512];
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if (longest_fname < 11)
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{
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longest_fname = 11;
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}
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char *fspec = calloc(sizeof(char), longest_fname + 10);
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snprintf(fspec, longest_fname, "%%-%zus", longest_fname);
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if (tableOutput)
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{
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print_table_header(fspec, excludeBrackets);
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print_table_separator(longest_fname, excludeBrackets);
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}
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for (size_t i = 0; i < list_fname_count; i++)
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{
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list = fopen(list_fnames[i], "rb");
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if (!list)
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{
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fprintf(stderr, "%s: %s", loc_file, strerror(errno));
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return errno;
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}
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while (fgets(filename, sizeof filename, list))
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{
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count_loc(filename, comments, quotechars, bracketchars, &file_loc, &file_comment_loc, &file_blank_loc, &file_bracket_loc, excludeBrackets);
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display_lines(fspec, filename, file_loc, file_blank_loc, file_comment_loc, file_bracket_loc, tableOutput, excludeBrackets);
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file_count++;
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total_loc += file_loc;
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total_comment_loc += file_comment_loc;
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total_blank_loc += file_blank_loc;
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total_bracket_loc += file_bracket_loc;
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}
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fclose(list);
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}
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for (size_t i = 0; i < fname_count; i++)
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{
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count_loc(fnames[i], comments, quotechars, bracketchars, &file_loc, &file_comment_loc, &file_blank_loc, &file_bracket_loc, excludeBrackets);
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display_lines(fspec, fnames[i], file_loc, file_blank_loc, file_comment_loc, file_bracket_loc, tableOutput, excludeBrackets);
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file_count++;
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total_loc += file_loc;
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total_comment_loc += file_comment_loc;
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total_blank_loc += file_blank_loc;
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total_bracket_loc += file_bracket_loc;
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}
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if (tableOutput)
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{
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print_table_separator(longest_fname, excludeBrackets);
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}
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display_lines(fspec, "Total lines", total_loc, total_blank_loc, total_comment_loc, total_bracket_loc, tableOutput, excludeBrackets);
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free(fspec);
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free(list_fnames);
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free(fnames);
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return 0;
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}

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