sttemp

commit 0a341a72a0f26c7e132c84174414dd705a745d53
parent 4e02faa8f4354338d5fdbdaeb9ccd2c38ba9b8a3
Author: Anton Konyahin <me@konyahin.xyz>
Date:   Sun,  2 Jan 2022 20:25:15 +0300

finding of substitution

Diffstat:
M
LICENSE
 | 
2
+-
M
Makefile
 | 
4
+++-
M
src/config.h
 | 
6
+++---
M
src/main.c
 | 
33
++++++++++++++++++++++++++++++---

4 files changed, 37 insertions(+), 8 deletions(-)
diff --git a/LICENSE b/LICENSE
@@ -1,6 +1,6 @@
 MIT/X Consortium License
 
-(C)opyright 2021 Anton Konyahin <me@konyahin.xyz>
+(C)opyright 2021, 2022 Anton Konyahin <me@konyahin.xyz>
 
 Permission is hereby granted, free of charge, to any person obtaining a
 copy of this software and associated documentation files (the "Software"),
diff --git a/Makefile b/Makefile
@@ -5,7 +5,9 @@ BIN    = sttemp
 CC     = cc
 CFLAGS = -Wall -Werror -O
 
-all: src/main.c src/config.h
+all: $(BIN)
+
+$(BIN): src/main.c src/config.h
 	$(CC) $(CFLAGS) src/main.c -o $(BIN)
 
 clean:
diff --git a/src/config.h b/src/config.h
@@ -1,5 +1,5 @@
 /* See LICENSE file for copyright and license details. */
 
-char *template_dir  = "/Users/antonkonjahin/projects/templates/";
-char *pattern_start = "{";
-char *pattern_end   = "}";
+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
@@ -1,3 +1,5 @@
+/* See LICENSE file for copyright and license details. */
+
 #include "config.h"
 #include <stdio.h>
 #include <stdlib.h>
@@ -11,12 +13,12 @@ void show_usage() {
     printf("Usage:\n\tsttemp template_name\n");
 }
 
-char* strconcat(char* first, char* second) {
+char* strconcat(const char* first, const char* second) {
     size_t first_len = strlen(first);
     size_t second_len = strlen(second);
     char *buf = malloc(first_len + second_len + 1);
-    strncpy(buf, first, first_len);
-    strncpy(buf + first_len, second, second_len + 1);
+    memcpy(buf, first, first_len);
+    memcpy(buf + first_len, second, second_len + 1);
     return buf;
 }
 
@@ -61,6 +63,31 @@ int main(int argc, char *argv[]) {
     fclose(template);
 
     printf("%s", buf);
+    printf("==================================\n");
+
+    const int pat_start_len = strlen(pattern_start);
+    const int pat_end_len = strlen(pattern_end);
+
+    char *start = buf;
+    while ((start = strstr(start, pattern_start)) != NULL) {
+        start = start + pat_start_len;
+        char* end = strstr(start, pattern_end);
+        if (end == NULL) {
+            fprintf(stderr, "Unfinished pattern: %10s", start);
+            return 1;
+        }
+
+        size_t token_length = end - start;
+        char* token_name = malloc(token_length + 1);
+        memcpy(token_name, start, token_length);
+        token_name[token_length] = '\0';
+
+        printf("%s\n", token_name);
+        free(token_name);
+
+        start = end + pat_end_len;
+    }
+
     free(buf);
 
     return 0;