sttemp

commit b592a4cb6c2b37564d1ebda315e8b1b11029c355
parent b909995d33dfa5fee05f34b9a37423b2c1760691
Author: Anton Konyahin <me@konyahin.xyz>
Date:   Sat,  8 Jan 2022 21:44:01 +0300

target file name doesn't necessary

Diffstat:
M
Makefile
 | 
5
++++-
D
src/config.h
 | 
5
-----
M
src/main.c
 | 
22
+++++++++++++++-------

3 files changed, 19 insertions(+), 13 deletions(-)
diff --git a/Makefile b/Makefile
@@ -13,7 +13,7 @@ strings.o: src/strings.c src/strings.h
 files.o : src/files.c src/files.h
 	$(CC) $(CFLAGS) -c src/files.c
 
-main.o : src/main.c src/config.h
+main.o : src/main.c
 	$(CC) $(CFLAGS) -c src/main.c
 
 $(BIN): main.o files.o strings.o
@@ -28,3 +28,6 @@ install: $(BIN)
 
 uninstall:
 	rm -f /usr/local/bin/sttemp
+
+test: $(BIN)
+	./sttemp test && cat test && rm -f test
diff --git a/src/config.h b/src/config.h
@@ -1,5 +0,0 @@
-/* See LICENSE file for copyright and license details. */
-
-const char *template_dir  = "/Users/antonkonjahin/projects/templates/";
-const char *pattern_start = "{";
-const char *pattern_end   = "}";
diff --git a/src/main.c b/src/main.c
@@ -1,6 +1,5 @@
 /* See LICENSE file for copyright and license details. */
 
-#include "config.h"
 #include "files.h"
 #include "strings.h"
 
@@ -8,9 +7,15 @@
 #include <stdlib.h>
 #include <string.h>
 
+const char template_dir[] = "/Users/antonkonjahin/projects/templates/";
+const char pattern_start[] = "{|";
+const char pattern_end[] = "|}";
+const int pat_start_len = sizeof(pattern_start) / sizeof(pattern_start[0]);
+const int pat_end_len = sizeof(pattern_end) / sizeof(pattern_end[0]);
+
 void show_usage() {
     printf("sttemp - simple template manager\n");
-    printf("Usage:\n\tsttemp template_name file_name\n");
+    printf("Usage:\n\tsttemp template_name [file_name]\n");
 }
 
 FILE* open_template(const char* template_name) {
@@ -44,6 +49,7 @@ void free_tokens() {
 }
 
 char* get_placeholder_value(const char* name, size_t length) {
+    // O(n) = n, but I don't worry about it right now
     for (size_t i = 0; i < tokens_len; i++) {
         if (strncmp(tokens[i]->name, name, length) == 0) {
             return tokens[i]->value;
@@ -63,11 +69,16 @@ char* get_placeholder_value(const char* name, size_t length) {
 }
 
 int main(int argc, char *argv[]) {
-    if (argc < 3) {
+    if (argc < 2) {
         show_usage();
         return 1;
     }
 
+    if (strcmp("-h", argv[1]) == 0) {
+        show_usage();
+        return 0;
+    }
+
     char* template_name = argv[1];
     FILE* template = open_template(template_name);
     if (template == NULL) {
@@ -79,10 +90,7 @@ int main(int argc, char *argv[]) {
     char *buf = freadall(template, &buf_len);
     fclose(template);
 
-    const int pat_start_len = strlen(pattern_start);
-    const int pat_end_len = strlen(pattern_end);
-
-    FILE* output = fopen(argv[2], "w");
+    FILE* output = fopen(argv[argc > 2 ? 2 : 1], "w");
 
     char *start = buf;
     char *last = start;