From ed8593760b3f1bf16ad0c6e8fb6eb1e4d20c0a38 Mon Sep 17 00:00:00 2001
From: Laurent Vivier <Laurent@lvivier.info>
Date: Mon, 28 Nov 2005 20:55:20 +0000
Subject: [PATCH] Add new functions for EM06

---
 libemile/emile_second_get_next_property.c | 54 +++++++++++++++++++++++
 libemile/emile_second_get_property.c      | 18 ++++++++
 libemile/emile_second_set_property.c      | 29 ++++++++++++
 3 files changed, 101 insertions(+)
 create mode 100644 libemile/emile_second_get_next_property.c
 create mode 100644 libemile/emile_second_get_property.c
 create mode 100644 libemile/emile_second_set_property.c

diff --git a/libemile/emile_second_get_next_property.c b/libemile/emile_second_get_next_property.c
new file mode 100644
index 0000000..92146fc
--- /dev/null
+++ b/libemile/emile_second_get_next_property.c
@@ -0,0 +1,54 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "libemile.h"
+
+static char *read_line(char *s)
+{
+	int read = 0;
+	while (*s && (*s != '\n'))
+	{
+		read++;
+		s++;
+	}
+	return s + 1;
+}
+
+static char *read_word(char *line, char **next)
+{
+	char *word;
+
+	while ( (*line == ' ') || (*line == '\t') || (*line == '\n') )
+		line++;
+
+	word = line;
+
+	while ( *line && (*line != ' ') && (*line != '\t') && (*line != '\n') )
+		line++;
+
+	*next = line;
+
+	return word;
+}
+
+int emile_second_get_next_property(char *configuration, int index, char *name, char *property)
+{
+	char *next_word, *next_line;
+	char *current_name, *current_property;
+
+	next_line = configuration + index;
+	if (*next_line == 0)
+		return -1;
+	next_word = next_line;
+	next_line = read_line(next_line);
+
+	current_name = read_word(next_word, &next_word);
+	strncpy(name, current_name, next_word - current_name);
+	name[next_word - current_name] = 0;
+
+	current_property = read_word(next_word, &next_word);
+	strncpy(property, current_property, next_line - current_property);
+	property[next_line - current_property] = 0;
+
+	return next_line - configuration;
+}
diff --git a/libemile/emile_second_get_property.c b/libemile/emile_second_get_property.c
new file mode 100644
index 0000000..d24d745
--- /dev/null
+++ b/libemile/emile_second_get_property.c
@@ -0,0 +1,18 @@
+#include <string.h>
+
+#include "libemile.h"
+
+int emile_second_get_property(char *configuration, char *name, char *property)
+{
+	int index = 0;
+	char current_name[256];
+	while (1)
+	{
+		index = emile_second_get_next_property(configuration, index, current_name, property);
+		if (index == -1)
+			break;
+		if (strcmp(name, current_name) == 0)
+			return 0;
+	}
+	return -1;
+}
diff --git a/libemile/emile_second_set_property.c b/libemile/emile_second_set_property.c
new file mode 100644
index 0000000..2981f44
--- /dev/null
+++ b/libemile/emile_second_set_property.c
@@ -0,0 +1,29 @@
+#include <stdio.h>
+#include <string.h>
+
+#include "libemile.h"
+void emile_second_set_property(char *configuration, char *name, char *property)
+{
+	int index = 0;
+	int current = 0;
+	char current_name[256];
+	char current_property[256];
+
+	while (1)
+	{
+		index = emile_second_get_next_property(configuration, index, current_name, current_property);
+		if (index == -1)
+			break;
+		if (strcmp(name, current_name) != 0)
+		{
+			memcpy(configuration + current, current_name, strlen(current_name));
+			current += strlen(current_name);
+			configuration[current++] = ' ';
+			memcpy(configuration + current, current_property, strlen(current_property));
+			current += strlen(current_property);
+		}
+	}
+	if (configuration[current - 1] != '\n')
+		configuration[current - 1] = '\n';
+	sprintf(configuration + current, "%s %s", name, property);
+}