Add an "--format=(json|text)" command-line option to both notmuch-search and notmuch...

[notmuch] / json.c

diff --git a/json.c b/json.c
new file mode 100644 (file)
index 0000000..3960750
--- /dev/null
+++ b/json.c
@@ -0,0 +1,72 @@
+/* notmuch - Not much of an email program, (just index and search)
+ *
+ * Copyright © 2009 Scott Robinson
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program.  If not, see http://www.gnu.org/licenses/ .
+ *
+ * Authors: Scott Robinson <scott@quadhome.com>
+ *
+ */
+
+#include "notmuch-client.h"
+
+/*
+ * json_quote_str derived from cJSON's print_string_ptr,
+ * Copyright (c) 2009 Dave Gamble
+ */
+
+char *
+json_quote_str(const void *ctx, const char *str)
+{
+    const char *ptr;
+    char *ptr2;
+    char *out;
+    int len = 0;
+
+    if (!str)
+       return NULL;
+
+    for (ptr = str; *ptr; len++, ptr++) {
+       if (*ptr < 32 || *ptr == '\"' || *ptr == '\\')
+           len++;
+    }
+
+    out = talloc_array (ctx, char, len + 3);
+
+    ptr = str;
+    ptr2 = out;
+
+    *ptr2++ = '\"';
+    while (*ptr) {
+           if (*ptr > 31 && *ptr != '\"' && *ptr != '\\') {
+               *ptr2++ = *ptr++;
+           } else {
+               *ptr2++ = '\\';
+               switch (*ptr++) {
+                   case '\"':  *ptr2++ = '\"'; break;
+                   case '\\':  *ptr2++ = '\\'; break;
+                   case '\b':  *ptr2++ = 'b';  break;
+                   case '\f':  *ptr2++ = 'f';  break;
+                   case '\n':  *ptr2++ = 'n';  break;
+                   case '\r':  *ptr2++ = 'r';  break;
+                   case '\t':  *ptr2++ = 't';  break;
+                   default:     ptr2--;        break;
+               }
+           }
+    }
+    *ptr2++ = '\"';
+    *ptr2++ = '\0';
+
+    return out;
+}