1 files changed, 119 insertions, 0 deletions
diff --git a/src/libmowgli/mowgli_formatter.c b/src/libmowgli/mowgli_formatter.c
new file mode 100644
index 0000000..b6aa1cc
--- /dev/null
+++ b/src/libmowgli/mowgli_formatter.c
@@ -0,0 +1,119 @@
+/*
+ * libmowgli: A collection of useful routines for programming.
+ * mowgli_formatter.c: Reusable formatting.
+ *
+ * Copyright (c) 2007 William Pitcock <nenolod -at- sacredspiral.co.uk>
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice is present in all copies.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+ * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING
+ * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include "mowgli.h"
+
+void mowgli_formatter_format_from_argstack(char *buf, size_t bufstr, const char *fmtstr, const char *descstr, mowgli_argstack_t *stack)
+{
+	size_t pos = 0;
+	char *i = buf;
+	const char *fiter = fmtstr;
+
+	return_if_fail(buf != NULL);
+	return_if_fail(fmtstr != NULL);
+	return_if_fail(descstr != NULL);
+
+	*i = '\0';
+
+	while (*fiter && pos <= bufstr)
+	{
+		int arg;
+		mowgli_argstack_element_t *e;
+
+		pos = strlen(buf);
+
+		switch(*fiter)
+		{
+		case '%':
+			fiter++;
+			arg = atoi(fiter);
+			e = mowgli_node_nth_data(&stack->stack, arg - 1);
+
+			while (isdigit(*fiter)) fiter++;
+
+			if (e == NULL)
+			{
+				arg = snprintf(i, bufstr - (i - buf), "(unknown)");
+				i += arg;
+				continue;
+			}
+
+			switch(e->type)
+			{
+			case MOWGLI_ARG_STRING:
+				arg = snprintf(i, bufstr - (i - buf), "%s", e->data.string);
+				i += arg;
+				break;
+			case MOWGLI_ARG_NUMERIC:
+				arg = snprintf(i, bufstr - (i - buf), "%d", e->data.numeric);
+				i += arg;
+				break;
+			case MOWGLI_ARG_POINTER:
+				arg = snprintf(i, bufstr - (i - buf), "%p", e->data.pointer);
+				i += arg;
+				break;
+			case MOWGLI_ARG_BOOLEAN:
+				arg = snprintf(i, bufstr - (i - buf), "%s", e->data.boolean ? "TRUE" : "FALSE");
+				i += arg;
+				break;
+			default:
+				mowgli_throw_exception(mowgli.formatter.unhandled_type_exception);
+				break;
+			}
+
+			continue;
+			break;
+		default:
+			*i = *fiter;
+		}
+
+		i++;
+		fiter++;
+	}
+}
+
+void mowgli_formatter_format(char *buf, size_t bufstr, const char *fmtstr, const char *descstr, ...)
+{
+	va_list va;
+	mowgli_argstack_t *stack;
+
+	va_start(va, descstr);
+	stack = mowgli_argstack_create_from_va_list(descstr, va);
+	va_end(va);
+
+	mowgli_formatter_format_from_argstack(buf, bufstr, fmtstr, descstr, stack);
+}
+
+void mowgli_formatter_print(const char *fmtstr, const char *descstr, ...)
+{
+	va_list va;
+	char buf[65535];
+	mowgli_argstack_t *stack;
+
+	va_start(va, descstr);
+	stack = mowgli_argstack_create_from_va_list(descstr, va);
+	va_end(va);
+
+	mowgli_formatter_format_from_argstack(buf, 65535, fmtstr, descstr, stack);
+	printf("%s", buf);
+}