diff options
| -rw-r--r-- | ctimeline.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/ctimeline.c b/ctimeline.c new file mode 100644 index 0000000..ce0331d --- /dev/null +++ b/ctimeline.c @@ -0,0 +1,205 @@ +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <ctype.h> + +#include "xstring.h" + +#define COMMENT_CHAR '#' + +struct branch { + string *name; + string *position; + string *age; + string *desc; +}; + +struct branch_ll { + struct branch *branch; + struct branch_ll *prev; +}; + +struct branch_ll *first_branch; +struct branch *current_branch; + +void emit_timeline_html() +{ + printf("\t<ul class=\"timeline\">\n"); + + struct branch_ll *ptr; + for(ptr = first_branch; ptr; ptr = ptr->prev) { + printf( + "\t<li>\n" + "\t\t<div class=\"direction-%s\">\n" + "\t\t\t<div class=\"flag-wrapper\">\n" + "\t\t\t\t<span class=\"flag\">%s</span>\n" + "\t\t\t\t<span class=\"time-wrapper\"><span class=\"time\">%s</span></span>\n" + "\t\t\t</div>\n" + "\t\t\t<div class=\"desc\">%s</div>\n" + "\t\t</div>\n" + "\t</li>\n", ptr->branch->position->s, ptr->branch->name->s, + ptr->branch->age->s, ptr->branch->desc->s); + } + + printf("\t</ul>\n"); +} + +struct branch *add_branch(const char *name) +{ + struct branch *br; + + if(!first_branch) { + first_branch = malloc(sizeof(struct branch_ll)); + first_branch->branch = malloc(sizeof(struct branch)); + first_branch->prev = NULL; + + br = first_branch->branch; + } + else { + struct branch_ll *ptr; + for(ptr = first_branch; ptr; ptr = ptr->prev) { + if(!ptr->prev) { + ptr->prev = malloc(sizeof(struct branch_ll)); + ptr->prev->branch = malloc(sizeof(struct branch)); + ptr->prev->prev = NULL; + + br = ptr->prev->branch; + break; + } + } + } + + br->name = string_alloc(name); + br->position = string_alloc("right"); + br->age = string_alloc("No age"); + br->desc = string_alloc("No description"); + + return br; +} + +void handle_config_context(const char *name, const char *value) +{ + if(strcmp(name, "branch.name") == 0) { + current_branch = add_branch(value); + } + else if(strcmp(name, "branch.position") == 0) { + if(!current_branch) + return; + + if(strcmp(value, "right") != 0 && strcmp(value, "left") != 0) + return; + + string_release(current_branch->position); + current_branch->position = string_alloc(value); + } + else if(strcmp(name, "branch.age") == 0) { + if(!current_branch) + return; + + string_release(current_branch->age); + current_branch->age = string_alloc(value); + } + else if(strcmp(name, "branch.desc") == 0) { + if(!current_branch) + return; + + string_release(current_branch->desc); + current_branch->desc = string_alloc(value); + } +} + +void skip_line(FILE *f) +{ + int c; + while( (c = fgetc(f)) && c != '\n' && c != EOF ) + ; +} + +int read_config_line(FILE *f, string *name, string *value) +{ + int c; + + // skip comments and white spaces + for(;;) { + c = fgetc(f); + if(c == EOF) + return 1; + else if(c == COMMENT_CHAR) + skip_line(f); + else if(!isspace(c)) + break; + } + + // read variable name + while(c != '=') { + if(isspace(c) || c == EOF) + return 1; + string_addch(name, c); + c = fgetc(f); + } + + // read variable value + c = fgetc(f); + while(c != '\n' && c != EOF) { + string_addch(value, c); + c = fgetc(f); + } + + return 0; +} + +int parse_config_file(const char *filename) +{ + string *name = string_alloc(NULL); + string *value = string_alloc(NULL); + FILE *f; + + f = fopen(filename, "r"); + if(!f) + return 1; + + while(read_config_line(f, name, value) == 0) { + // printf("name: %s; value: %s\n", name->s, value->s); + handle_config_context(name->s, value->s); + string_reset(name); + string_reset(value); + } + + fclose(f); + string_release(name); + string_release(value); + return 0; +} + +void usage() +{ + printf("Usage: ctimeline [-h, --help] config_path\n" + "Copyright (C) 2021 Aleksandr D. Goncharov (Joursoir)\n" + "License: GNU GPL version 3 + X11 License\n" + "This is free software: you are free to change and redistribute it.\n" + "This program comes with ABSOLUTELY NO WARRANTY.\n"); +} + +int main(int argc, char **argv) +{ + int result; + const char *config; + if(argc < 2) { + usage(); + return 1; + } + if(strcmp(argv[1], "--help") == 0 || strcmp(argv[1], "-h") == 0) { + usage(); + return 0; + } + config = argv[1]; + + result = parse_config_file(config); + if(result) { + perror(config); + return 1; + } + + emit_timeline_html(); + return 0; +} |