1 files changed, 80 insertions, 0 deletions
diff --git a/Cool/demos/doc_generator.c b/Cool/demos/doc_generator.c
new file mode 100644
index 0000000..5074cf6
--- /dev/null
+++ b/Cool/demos/doc_generator.c
@@ -0,0 +1,80 @@
+/*
+ * This simple demo illustrates how I use this library to generate my documentation.
+ * Could be used either statically or live because it's as simple as executing doc_generator
+ * with the given header file and reading from stdout.
+ */
+
+#include <stdio.h>
+#include <string.h>
+#include <ctype.h>
+#define COOL_IMPLEMENTATION
+#include "../cool.h"
+
+#include "view.cool.c"
+
+int parse_header_line(const char *line, char *func_name, char *func_decl, char **comment_out);
+
+int main(int argc, char **argv) {
+
+    if (argc < 2) {
+        puts("Usage: doc_generator [FILE]");
+        return 1;
+    }
+
+    FILE *header_file = fopen(argv[1], "r");
+
+    char *line_buf = malloc(256);
+    size_t len = 0;
+    while (getline(&line_buf, &len, header_file) > 0) {
+        char func_name[256];
+        char func_decl[256];
+        char *comment_text = NULL;
+
+        if (parse_header_line(line_buf, func_name, func_decl, &comment_text)) {
+            Api(func_name, func_decl, comment_text);
+        }
+    }
+
+    free(line_buf);
+
+    return 0;
+}
+
+int parse_header_line(const char *line, char *func_name, char *func_decl, char **comment_out) {
+    char *comment_ptr = strstr(line, "//");
+    if (!comment_ptr) return 0;
+
+    *comment_out = comment_ptr + 2;
+    while (**comment_out == ' ' || **comment_out == '\t') {
+        (*comment_out)++;
+    }
+
+    size_t decl_len = comment_ptr - line;
+    if (decl_len >= 256) decl_len = 255;
+    strncpy(func_decl, line, decl_len);
+    func_decl[decl_len] = '\0';
+
+    while (decl_len > 0 && (isspace((unsigned char)func_decl[decl_len - 1]) || func_decl[decl_len - 1] == ';')) {
+        func_decl[--decl_len] = '\0';
+    }
+
+    char *open_paren = strchr(func_decl, '(');
+    if (!open_paren) return 0;
+
+    char *end_name = open_paren - 1;
+    while (end_name > func_decl && isspace((unsigned char)*end_name)) {
+        end_name--;
+    }
+
+    char *start_name = end_name;
+    while (start_name > func_decl && (isalnum((unsigned char)start_name[-1]) || start_name[-1] == '_')) {
+        start_name--;
+    }
+
+    size_t name_len = (end_name - start_name) + 1;
+    if (name_len >= 256) name_len = 255;
+    strncpy(func_name, start_name, name_len);
+    func_name[name_len] = '\0';
+
+    return 1;
+}