Added c tool

1 files changed, 106 insertions, 0 deletions

diff --git a/tools/main.c b/tools/main.c
new file mode 100644
index 0000000..20c92ce
--- /dev/null
+++ b/tools/main.c
@@ -0,0 +1,106 @@
+#include <stdio.h>
+
+#define BUFLEN 256
+
+int
+slen(char* s)
+{
+	int n = 0;
+	while(s[n] != '\0' && s[++n])
+		;
+	return n;
+}
+
+int
+cpos(char* s, char c)
+{
+	int i;
+	for(i = 0; i < slen(s); i++)
+		if(s[i] == c)
+			return i;
+	return -1;
+}
+
+void
+sstr(char* src, char* dest, int from, int to)
+{
+	int i;
+	char *a = (char*)src + from, *b = (char*)dest;
+	for(i = 0; i < to; i++)
+		b[i] = a[i];
+	dest[to] = '\0';
+}
+
+unsigned char
+chex(char c)
+{
+	if(c >= 'a' && c <= 'f')
+		return 10 + c - 'a';
+	if(c >= 'A' && c <= 'F')
+		return 10 + c - 'A';
+	return (c - '0') & 0xF;
+}
+
+unsigned long
+shex(char* s)
+{
+	int i, n = 0, l = slen(s);
+	for(i = 0; i < l; ++i)
+		n |= (chex(s[i]) << ((l - i - 1) * 4));
+	return n;
+}
+
+int
+error(char* name)
+{
+	printf("Error: %s\n", name);
+	return 0;
+}
+
+int
+scmp(char* a, char* b)
+{
+	int i, l = slen(a);
+	if(l != slen(b))
+		return 0;
+	for(i = 0; i < l; ++i)
+		if(a[i] != b[i])
+			return 0;
+	return 1;
+}
+
+int
+parse(FILE* f)
+{
+	int i, id = 0;
+	long theme[9];
+	char line[BUFLEN], hexs[BUFLEN];
+	while(fgets(line, BUFLEN, f)) {
+		int split = cpos(line, '#');
+		if(split < 0 || id > 9)
+			continue;
+		sstr(line, hexs, split, 7);
+		printf("%s ", hexs);
+		theme[id] = shex(hexs + 1);
+		id++;
+	}
+	if(id != 9)
+		return error("Invalid theme");
+	for(i = 0; i < 9; ++i) {
+		printf("%ld ", theme[i]);
+	}
+	return 1;
+}
+
+int
+main(int argc, char* argv[])
+{
+	FILE* input;
+	if(argc == 2) {
+		input = fopen(argv[1], "rb");
+		if(input == NULL)
+			return error("Invalid input.\n");
+	} else
+		input = stdin;
+	return parse(input);
+}
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