main: add '-c' option

main.c

@@ -6,15 +6,37 @@
 
 #include "transliteration.h"
 #include "iast.h"
+#include "iast-czech.h"
+
+#define FLAG_CZECH	1 << 0
 
 int main(int argc, const char **argv)
 {
 	struct transliteration_context *context;
 	unsigned int n, length = 0;
-	int retval = 0;
+	int i, retval = 0;
 	char buffer[6];
 	char *text = malloc(0);
 	char *out;
+	const char *arg;
+	unsigned int flags = 0;
+
+
+	for (i = 0; i < argc; i++) {
+		arg = argv[i];
+
+		if (*arg == '-') {
+			switch (arg[1]) {
+			case 'c':
+				flags |= FLAG_CZECH;
+				continue;
+			}
+
+			fprintf(stderr, "error: unknown option '%s'\n", arg);
+			exit(1);
+		}
+	}
+
 
 	while ((n = read(STDIN_FILENO, buffer, sizeof(buffer))) > 0) {
 		text = realloc(text, length + n + 1);
@@ -28,7 +50,11 @@ int main(int argc, const char **argv)
 
 	text[length] = '\0';
 
-	context = transliteration_context_iast_alloc();
+	if (flags & FLAG_CZECH) {
+		context = transliteration_context_iast_czech_alloc();
+	} else {
+		context = transliteration_context_iast_alloc();
+	}
 
 	out = transliterate_devanagari_to_latin(text, context);
 	printf("%s\n", out);

test.sh

@@ -3,7 +3,7 @@ set -e
 
 test_word()
 {
-	transliterated=$(echo -n "$1" | ./main)
+	transliterated=$(echo -n "$1" | ./main $3)
 	expected="$2"
 
 	if test "x$transliterated" = "x$expected"
@@ -14,6 +14,7 @@ test_word()
 	fi
 }
 
+echo "Transliteration to IAST"
 test_word "संस्कृतम्" "saṃskṛtam"
 test_word "आर्यावर्त" "āryāvarta"
 test_word "तन्त्रशास्त्रम्" "tantraśāstram"
@@ -25,3 +26,11 @@ test_word "देवनागरी" "devanāgarī"
 test_word "योगः" "yogaḥ"
 test_word "भगवद्गीता" "bhagavadgītā"
 test_word "सम्भोग" "sambhoga"
+
+echo
+echo "Transliteration to czech"
+test_word "तन्त्रशास्त्रम्" "tantrašástra" -c
+test_word "सांख्य" "sánkhja" -c
+test_word "महाभारतम्" "mahábhárata" -c
+test_word "योगः" "jóga" -c
+test_word "भगवद्गीता" "bhagavadgíta" -c