From: Bastian Dehn <hhaalo@arcor.de>
Date: Sun, 7 Jul 2024 11:16:28 +0000 (+0200)
Subject: change xml methods to seperate file
X-Git-Tag: 1.3.0^2~3
X-Git-Url: https://gitweb.hhaalo.de/?a=commitdiff_plain;h=90df5b2321b6855f6c209cec54d75bcc7b95fee0;p=feierabend.git

change xml methods to seperate file
---

diff --git a/src/CMakeLists.txt b/src/CMakeLists.txt
index c26d0bc..d017290 100644
--- a/src/CMakeLists.txt
+++ b/src/CMakeLists.txt
@@ -23,6 +23,7 @@ ADD_EXECUTABLE(${PROJECT_NAME}
 IF(${LibXml2_FOUND})
 	ADD_EXECUTABLE(${PROJECT_NAME}xml
 		feierabendxml.c
+		xml.c
 		time_format.c
 		worktime.c
 		break.c)
diff --git a/src/feierabendxml.c b/src/feierabendxml.c
index cde8acf..ef16c8b 100644
--- a/src/feierabendxml.c
+++ b/src/feierabendxml.c
@@ -1,420 +1,7 @@
 #include <stdio.h>
+#include <stdlib.h>
 #include <string.h>
-#include <libxml/encoding.h>
-#include <libxml/xmlwriter.h>
-#include <libxml/parser.h>
-#include <libxml/xpath.h>
-#include <libxml/xmlreader.h>
-#include "worktime.h"
-#include "break.h"
-#include "time_format.h"
-#include "feierabend.h"
-
-#define MAX_STRING_LENGTH 36
-
-void init_feierabend(feierabend* fabend)
-{
-	fabend->now = malloc(sizeof(time_t));
-	fabend->begin = malloc(sizeof(time_t));
-	fabend->worktime = malloc(sizeof(time_t));
-	fabend->weekday = malloc(sizeof(char) * 11);
-	fabend->timestr = malloc(sizeof(char) * 7);
-}
-
-void free_feierabend(feierabend* fabend)
-{
-	free(fabend->now);
-	free(fabend->begin);
-	free(fabend->worktime);
-	free(fabend->weekday);
-	free(fabend->timestr);
-	fabend->now = NULL;
-	fabend->begin = NULL;
-	fabend->worktime = NULL;
-	fabend->weekday = NULL;
-	fabend->timestr = NULL;
-}
-
-void initTimeAcount()
-{
-	xmlChar* xmlElemName = NULL;
-	xmlChar* xmlElemContent = NULL;
-
-	xmlTextWriterPtr xmlWriter = xmlNewTextWriterFilename("/dev/stdout", 0);
-	xmlTextWriterSetIndent(xmlWriter, 8);
-	xmlElemContent = xmlCharStrdup("\t");
-	xmlTextWriterSetIndentString(xmlWriter, xmlElemContent);
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-
-	xmlTextWriterStartDocument(xmlWriter, "1.0", "UTF-8", NULL);
-
-	xmlElemName = xmlCharStrdup("zeitkonto");
-	xmlTextWriterStartElement(xmlWriter, xmlElemName);
-	free(xmlElemName);
-	xmlElemName = NULL;
-
-	xmlElemName = xmlCharStrdup("anfangssaldo");
-	xmlElemContent = xmlCharStrdup("00:00");
-	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
-	free(xmlElemName);
-	xmlElemName = NULL;
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-
-	xmlTextWriterEndElement(xmlWriter);
-	xmlTextWriterEndDocument(xmlWriter);
-
-	xmlFreeTextWriter(xmlWriter);
-	xmlWriter = NULL;
-
-	xmlDictCleanup();
-	xmlCleanupCharEncodingHandlers();
-
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-	free(xmlElemName);
-	xmlElemName = NULL;
-}
-
-void writeEntryNode(xmlTextWriterPtr xmlWriter,
-	const char* date,
-	int begin_hour,
-	int begin_min,
-	int end_hour,
-	int end_min,
-	time_t last_saldo)
-{
-	feierabend* fabend = malloc(sizeof(feierabend));
-	init_feierabend(fabend);
-	xmlChar* xmlElemName = NULL;
-	xmlChar* xmlElemContent = NULL;
-	char* value = malloc(sizeof(char) * MAX_STRING_LENGTH);
-
-	xmlElemName = xmlCharStrdup("eintrag");
-	xmlTextWriterStartElement(xmlWriter, xmlElemName);
-	free(xmlElemName);
-	xmlElemName = NULL;
-
-	time(fabend->now);
-	fabend->now_tm = gmtime(fabend->now);
-	if (date != NULL) {
-		fabend->now_tm->tm_year = get_year_from_str(date) - 1900;
-		fabend->now_tm->tm_mon = get_month_from_str(date) - 1;
-		fabend->now_tm->tm_mday = get_day_from_str(date);
-	}
-	fabend->now_tm->tm_hour = end_hour;
-	fabend->now_tm->tm_min = end_min;
-	*fabend->now = mktime(fabend->now_tm);
-	get_short_weekday(fabend->now_tm->tm_wday, value);
-	xmlElemName = xmlCharStrdup("wochentag");
-	xmlElemContent = xmlCharStrdup(value);
-	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
-	memset(value, 0, MAX_STRING_LENGTH);
-	free(xmlElemName);
-	xmlElemName = NULL;
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-	
-	sprintf(value, "%04d-%02d-%02d",
-		fabend->now_tm->tm_year + 1900,
-		fabend->now_tm->tm_mon + 1,
-		fabend->now_tm->tm_mday);
-	xmlElemName = xmlCharStrdup("datum");
-	xmlElemContent = xmlCharStrdup(value);
-	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
-	memset(value, 0, MAX_STRING_LENGTH);
-	free(xmlElemName);
-	xmlElemName = NULL;
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-
-	time(fabend->begin);
-	fabend->begin_tm = gmtime(fabend->begin);
-	if (date != NULL) {
-		fabend->begin_tm->tm_year = get_year_from_str(date) - 1900;
-		fabend->begin_tm->tm_mon = get_month_from_str(date) - 1;
-		fabend->begin_tm->tm_mday = get_day_from_str(date);
-	}
-	fabend->begin_tm->tm_hour = begin_hour;
-	fabend->begin_tm->tm_min = begin_min;
-	sprintf(value, "%02d:%02d",
-		fabend->begin_tm->tm_hour,
-		fabend->begin_tm->tm_min);
-	*fabend->begin = mktime(fabend->begin_tm);
-	xmlElemName = xmlCharStrdup("begin");
-	xmlElemContent = xmlCharStrdup(value);
-	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
-	memset(value, 0, MAX_STRING_LENGTH);
-	free(xmlElemName);
-	xmlElemName = NULL;
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-
-	*fabend->worktime = get_eight_hour_end_worktime(*fabend->begin);
-	fabend->work_end_tm = gmtime(fabend->worktime);
-	if (date != NULL) {
-		fabend->work_end_tm->tm_year = get_year_from_str(date) - 1900;
-		fabend->work_end_tm->tm_mon = get_month_from_str(date) - 1;
-		fabend->work_end_tm->tm_mday = get_day_from_str(date);
-	}
-	fabend->work_end_tm->tm_hour = end_hour;
-	fabend->work_end_tm->tm_min = end_min;
-	sprintf(value, "%02d:%02d",
-		fabend->work_end_tm->tm_hour,
-		fabend->work_end_tm->tm_min);
-	xmlElemName = xmlCharStrdup("ende");
-	xmlElemContent = xmlCharStrdup(value);
-	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
-	memset(value, 0, MAX_STRING_LENGTH);
-	free(xmlElemName);
-	xmlElemName = NULL;
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-
-	*fabend->worktime = get_brutto_worktime(*fabend->begin, *fabend->now);
-	time_t breaktime = get_break_time(*fabend->worktime);
-	get_time_str(breaktime, value);
-	xmlElemName = xmlCharStrdup("pause");
-	xmlElemContent = xmlCharStrdup(value);
-	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
-	memset(value, 0, MAX_STRING_LENGTH);
-	free(xmlElemName);
-	xmlElemName = NULL;
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-
-	get_time_str(SOLL_WORKTIME, value);
-	xmlElemName = xmlCharStrdup("sollarbeitszeit");
-	xmlElemContent = xmlCharStrdup(value);
-	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
-	memset(value, 0, MAX_STRING_LENGTH);
-	free(xmlElemName);
-	xmlElemName = NULL;
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-
-	*fabend->worktime = get_current_worktime(*fabend->begin, *fabend->now);
-	get_time_str(*fabend->worktime, value);
-	xmlElemName = xmlCharStrdup("arbeitszeit");
-	xmlElemContent = xmlCharStrdup(value);
-	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
-	memset(value, 0, MAX_STRING_LENGTH);
-	free(xmlElemName);
-	xmlElemName = NULL;
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-
-	*fabend->worktime = get_current_worktime_diff_to_end_eight_hour(*fabend->begin, *fabend->now);
-	get_time_str_overtime(*fabend->worktime, value);
-	xmlElemName = xmlCharStrdup("stunden");
-	xmlElemContent = xmlCharStrdup(value);
-	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
-	memset(value, 0, MAX_STRING_LENGTH);
-	free(xmlElemName);
-	xmlElemName = NULL;
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-
-	*fabend->worktime *= -1;
-	*fabend->worktime += last_saldo;
-	get_time_str(*fabend->worktime, value);
-	xmlElemName = xmlCharStrdup("saldo");
-	xmlElemContent = xmlCharStrdup(value);
-	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
-	memset(value, 0, MAX_STRING_LENGTH);
-	free(xmlElemName);
-	xmlElemName = NULL;
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-
-	xmlTextWriterEndElement(xmlWriter);
-
-	free(value);
-	value = NULL;
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-	free(xmlElemName);
-	xmlElemName = NULL;
-	free_feierabend(fabend);
-	free(fabend);
-	fabend = NULL;
-}
-
-void createEntry(int begin_hour,
-	int begin_min,
-	int end_hour,
-	int end_min)
-{
-	xmlChar* xmlElemName = NULL;
-	xmlChar* xmlElemContent = NULL;
-
-	xmlTextWriterPtr xmlWriter = xmlNewTextWriterFilename("/dev/stdout", 0);
-	xmlTextWriterSetIndent(xmlWriter, 8);
-	xmlElemContent = xmlCharStrdup("\t");
-	xmlTextWriterSetIndentString(xmlWriter, xmlElemContent);
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-
-	xmlTextWriterStartDocument(xmlWriter, "1.0", "UTF-8", NULL);
-
-	xmlElemName = xmlCharStrdup("zeitkonto");
-	xmlTextWriterStartElement(xmlWriter, xmlElemName);
-	free(xmlElemName);
-	xmlElemName = NULL;
-
-	xmlElemName = xmlCharStrdup("anfangssaldo");
-	xmlElemContent = xmlCharStrdup("00:00");
-	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
-	free(xmlElemName);
-	xmlElemName = NULL;
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-
-	writeEntryNode(xmlWriter, NULL, begin_hour, begin_min, end_hour, end_min, 0);
-
-	xmlTextWriterEndElement(xmlWriter);
-	xmlTextWriterEndDocument(xmlWriter);
-
-	xmlFreeTextWriter(xmlWriter);
-	xmlWriter = NULL;
-
-	xmlDictCleanup();
-	xmlCleanupCharEncodingHandlers();
-
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-	free(xmlElemName);
-	xmlElemName = NULL;
-	xmlFreeTextWriter(xmlWriter);
-	xmlWriter = NULL;
-}
-
-void readLastSaldo(const char* file_path, char* value)
-{
-	xmlInitParser();
-	xmlDocPtr xmldoc = xmlReadFile(file_path, "UTF-8", 0);
-
-	if (xmldoc == NULL) {
-		printf("ERROR: could not open file: %s\n", file_path);
-		exit(EXIT_FAILURE);
-	}
-
-	xmlXPathContextPtr xmlcontext = xmlXPathNewContext(xmldoc);
-	xmlChar* expr = xmlCharStrdup("/zeitkonto/eintrag[last()]/@saldo");
-	xmlXPathObjectPtr xmlnode = xmlXPathEvalExpression(expr, xmlcontext);
-
-	if (xmlnode->nodesetval == NULL || xmlnode->nodesetval->nodeTab == NULL) {
-		free(expr);
-		expr = NULL;
-		xmlXPathFreeObject(xmlnode);
-		xmlnode = NULL;
-		expr = xmlCharStrdup("/zeitkonto/@anfangssaldo");
-		xmlnode = xmlXPathEvalExpression(expr, xmlcontext);
-	}
-
-	if (xmlnode->nodesetval->nodeTab == NULL) {
-		printf("ERROR: could not find an saldo\n");
-		xmlFreeDoc(xmldoc);
-		xmldoc = NULL;
-		xmlCleanupParser();
-
-		free(expr);
-		expr = NULL;
-		xmlXPathFreeObject(xmlnode);
-		xmlnode = NULL;
-		xmlXPathFreeContext(xmlcontext);
-		xmlcontext = NULL;
-		exit(EXIT_FAILURE);
-	}
-
-	strncpy(value,
-		(char*) xmlnode->nodesetval->nodeTab[0]->children->content,
-		MAX_STRING_LENGTH);
-
-	free(expr);
-	expr = NULL;
-	xmlXPathFreeObject(xmlnode);
-	xmlnode = NULL;
-	xmlFreeDoc(xmldoc);
-	xmldoc = NULL;
-	xmlXPathFreeContext(xmlcontext);
-	xmlcontext = NULL;
-
-	xmlCleanupParser();
-}
-
-void copyNodeAttributes(xmlTextReaderPtr xmlreader, xmlTextWriterPtr xmlwriter)
-{
-	xmlNodePtr xmlnode = NULL;
-	int attrCount = xmlTextReaderAttributeCount(xmlreader);
-	for (int i = 0; i < attrCount; i++) {
-		xmlTextReaderMoveToNextAttribute(xmlreader);
-		xmlnode = xmlTextReaderCurrentNode(xmlreader);
-		xmlTextWriterWriteAttribute(xmlwriter, xmlnode->name, xmlnode->children[0].content);
-	}
-}
-
-
-void addEntry(const char* date,
-	int begin_hour,
-	int begin_min,
-	int end_hour,
-	int end_min,
-	const char* file_path)
-{
-	char* saldostr = malloc(sizeof(char) * MAX_STRING_LENGTH);
-	memset(saldostr, 0, MAX_STRING_LENGTH);
-	readLastSaldo(file_path, saldostr);
-
-	xmlChar* xmlElemContent = NULL;
-	xmlTextWriterPtr xmlwriter = xmlNewTextWriterFilename("/dev/stdout", 0);
-	xmlTextWriterSetIndent(xmlwriter, 8);
-	xmlElemContent = xmlCharStrdup("\t");
-	xmlTextWriterSetIndentString(xmlwriter, xmlElemContent);
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-
-	xmlTextReaderPtr xmlreader = xmlReaderForFile(file_path, "UTF-8", 0);
-	xmlNodePtr xmlnode = NULL;
-
-	xmlTextWriterStartDocument(xmlwriter, "1.0", "UTF-8", NULL);
-
-	xmlTextReaderRead(xmlreader);
-	xmlnode = xmlTextReaderCurrentNode(xmlreader);
-	xmlTextWriterStartElement(xmlwriter, xmlnode->name);
-	copyNodeAttributes(xmlreader, xmlwriter);
-
-	xmlElemContent = xmlCharStrdup("eintrag");
-	while (xmlTextReaderRead(xmlreader) == 1) {
-		xmlnode = xmlTextReaderCurrentNode(xmlreader);
-		if (xmlnode->type == XML_ELEMENT_NODE && xmlStrcmp(xmlnode->name, xmlElemContent) == 0) {
-			xmlTextWriterStartElement(xmlwriter, xmlnode->name);
-			copyNodeAttributes(xmlreader, xmlwriter);
-			xmlTextWriterEndElement(xmlwriter);
-		}
-	}
-
-	time_t* saldo = malloc(sizeof(time_t));
-	get_seconds_from_string(saldostr, saldo);
-	writeEntryNode(xmlwriter, date, begin_hour, begin_min, end_hour, end_min, *saldo);
-	xmlTextWriterEndElement(xmlwriter);
-	xmlTextWriterEndDocument(xmlwriter);
-
-	xmlFreeTextWriter(xmlwriter);
-	xmlTextReaderClose(xmlreader);
-	xmlFreeTextReader(xmlreader);
-
-	xmlCleanupCharEncodingHandlers();
-	xmlDictCleanup();
-
-	free(xmlElemContent);
-	xmlElemContent = NULL;
-	free(saldo);
-	saldo = NULL;
-	free(saldostr);
-	saldostr = NULL;
-}
+#include "xml.h"
 
 int main(int argc, char* argv[])
 {
diff --git a/src/xml.c b/src/xml.c
new file mode 100644
index 0000000..bf1153c
--- /dev/null
+++ b/src/xml.c
@@ -0,0 +1,417 @@
+#include <string.h>
+#include <libxml/encoding.h>
+#include <libxml/xmlwriter.h>
+#include <libxml/parser.h>
+#include <libxml/xpath.h>
+#include <libxml/xmlreader.h>
+#include "xml.h"
+#include "feierabend.h"
+#include "worktime.h"
+#include "break.h"
+#include "time_format.h"
+#include "feierabend.h"
+
+#define MAX_STRING_LENGTH 36
+
+void init_feierabend(feierabend* fabend)
+{
+	fabend->now = malloc(sizeof(time_t));
+	fabend->begin = malloc(sizeof(time_t));
+	fabend->worktime = malloc(sizeof(time_t));
+	fabend->weekday = malloc(sizeof(char) * 11);
+	fabend->timestr = malloc(sizeof(char) * 7);
+}
+
+void free_feierabend(feierabend* fabend)
+{
+	free(fabend->now);
+	free(fabend->begin);
+	free(fabend->worktime);
+	free(fabend->weekday);
+	free(fabend->timestr);
+	fabend->now = NULL;
+	fabend->begin = NULL;
+	fabend->worktime = NULL;
+	fabend->weekday = NULL;
+	fabend->timestr = NULL;
+}
+
+void initTimeAcount()
+{
+	xmlChar* xmlElemName = NULL;
+	xmlChar* xmlElemContent = NULL;
+
+	xmlTextWriterPtr xmlWriter = xmlNewTextWriterFilename("/dev/stdout", 0);
+	xmlTextWriterSetIndent(xmlWriter, 8);
+	xmlElemContent = xmlCharStrdup("\t");
+	xmlTextWriterSetIndentString(xmlWriter, xmlElemContent);
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+
+	xmlTextWriterStartDocument(xmlWriter, "1.0", "UTF-8", NULL);
+
+	xmlElemName = xmlCharStrdup("zeitkonto");
+	xmlTextWriterStartElement(xmlWriter, xmlElemName);
+	free(xmlElemName);
+	xmlElemName = NULL;
+
+	xmlElemName = xmlCharStrdup("anfangssaldo");
+	xmlElemContent = xmlCharStrdup("00:00");
+	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
+	free(xmlElemName);
+	xmlElemName = NULL;
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+
+	xmlTextWriterEndElement(xmlWriter);
+	xmlTextWriterEndDocument(xmlWriter);
+
+	xmlFreeTextWriter(xmlWriter);
+	xmlWriter = NULL;
+
+	xmlDictCleanup();
+	xmlCleanupCharEncodingHandlers();
+
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+	free(xmlElemName);
+	xmlElemName = NULL;
+}
+
+void writeEntryNode(xmlTextWriterPtr xmlWriter,
+	const char* date,
+	int begin_hour,
+	int begin_min,
+	int end_hour,
+	int end_min,
+	time_t last_saldo)
+{
+	feierabend* fabend = malloc(sizeof(feierabend));
+	init_feierabend(fabend);
+	xmlChar* xmlElemName = NULL;
+	xmlChar* xmlElemContent = NULL;
+	char* value = malloc(sizeof(char) * MAX_STRING_LENGTH);
+
+	xmlElemName = xmlCharStrdup("eintrag");
+	xmlTextWriterStartElement(xmlWriter, xmlElemName);
+	free(xmlElemName);
+	xmlElemName = NULL;
+
+	time(fabend->now);
+	fabend->now_tm = gmtime(fabend->now);
+	if (date != NULL) {
+		fabend->now_tm->tm_year = get_year_from_str(date) - 1900;
+		fabend->now_tm->tm_mon = get_month_from_str(date) - 1;
+		fabend->now_tm->tm_mday = get_day_from_str(date);
+	}
+	fabend->now_tm->tm_hour = end_hour;
+	fabend->now_tm->tm_min = end_min;
+	*fabend->now = mktime(fabend->now_tm);
+	get_short_weekday(fabend->now_tm->tm_wday, value);
+	xmlElemName = xmlCharStrdup("wochentag");
+	xmlElemContent = xmlCharStrdup(value);
+	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
+	memset(value, 0, MAX_STRING_LENGTH);
+	free(xmlElemName);
+	xmlElemName = NULL;
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+	
+	sprintf(value, "%04d-%02d-%02d",
+		fabend->now_tm->tm_year + 1900,
+		fabend->now_tm->tm_mon + 1,
+		fabend->now_tm->tm_mday);
+	xmlElemName = xmlCharStrdup("datum");
+	xmlElemContent = xmlCharStrdup(value);
+	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
+	memset(value, 0, MAX_STRING_LENGTH);
+	free(xmlElemName);
+	xmlElemName = NULL;
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+
+	time(fabend->begin);
+	fabend->begin_tm = gmtime(fabend->begin);
+	if (date != NULL) {
+		fabend->begin_tm->tm_year = get_year_from_str(date) - 1900;
+		fabend->begin_tm->tm_mon = get_month_from_str(date) - 1;
+		fabend->begin_tm->tm_mday = get_day_from_str(date);
+	}
+	fabend->begin_tm->tm_hour = begin_hour;
+	fabend->begin_tm->tm_min = begin_min;
+	sprintf(value, "%02d:%02d",
+		fabend->begin_tm->tm_hour,
+		fabend->begin_tm->tm_min);
+	*fabend->begin = mktime(fabend->begin_tm);
+	xmlElemName = xmlCharStrdup("begin");
+	xmlElemContent = xmlCharStrdup(value);
+	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
+	memset(value, 0, MAX_STRING_LENGTH);
+	free(xmlElemName);
+	xmlElemName = NULL;
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+
+	*fabend->worktime = get_eight_hour_end_worktime(*fabend->begin);
+	fabend->work_end_tm = gmtime(fabend->worktime);
+	if (date != NULL) {
+		fabend->work_end_tm->tm_year = get_year_from_str(date) - 1900;
+		fabend->work_end_tm->tm_mon = get_month_from_str(date) - 1;
+		fabend->work_end_tm->tm_mday = get_day_from_str(date);
+	}
+	fabend->work_end_tm->tm_hour = end_hour;
+	fabend->work_end_tm->tm_min = end_min;
+	sprintf(value, "%02d:%02d",
+		fabend->work_end_tm->tm_hour,
+		fabend->work_end_tm->tm_min);
+	xmlElemName = xmlCharStrdup("ende");
+	xmlElemContent = xmlCharStrdup(value);
+	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
+	memset(value, 0, MAX_STRING_LENGTH);
+	free(xmlElemName);
+	xmlElemName = NULL;
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+
+	*fabend->worktime = get_brutto_worktime(*fabend->begin, *fabend->now);
+	time_t breaktime = get_break_time(*fabend->worktime);
+	get_time_str(breaktime, value);
+	xmlElemName = xmlCharStrdup("pause");
+	xmlElemContent = xmlCharStrdup(value);
+	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
+	memset(value, 0, MAX_STRING_LENGTH);
+	free(xmlElemName);
+	xmlElemName = NULL;
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+
+	get_time_str(SOLL_WORKTIME, value);
+	xmlElemName = xmlCharStrdup("sollarbeitszeit");
+	xmlElemContent = xmlCharStrdup(value);
+	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
+	memset(value, 0, MAX_STRING_LENGTH);
+	free(xmlElemName);
+	xmlElemName = NULL;
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+
+	*fabend->worktime = get_current_worktime(*fabend->begin, *fabend->now);
+	get_time_str(*fabend->worktime, value);
+	xmlElemName = xmlCharStrdup("arbeitszeit");
+	xmlElemContent = xmlCharStrdup(value);
+	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
+	memset(value, 0, MAX_STRING_LENGTH);
+	free(xmlElemName);
+	xmlElemName = NULL;
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+
+	*fabend->worktime = get_current_worktime_diff_to_end_eight_hour(*fabend->begin, *fabend->now);
+	get_time_str_overtime(*fabend->worktime, value);
+	xmlElemName = xmlCharStrdup("stunden");
+	xmlElemContent = xmlCharStrdup(value);
+	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
+	memset(value, 0, MAX_STRING_LENGTH);
+	free(xmlElemName);
+	xmlElemName = NULL;
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+
+	*fabend->worktime *= -1;
+	*fabend->worktime += last_saldo;
+	get_time_str(*fabend->worktime, value);
+	xmlElemName = xmlCharStrdup("saldo");
+	xmlElemContent = xmlCharStrdup(value);
+	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
+	memset(value, 0, MAX_STRING_LENGTH);
+	free(xmlElemName);
+	xmlElemName = NULL;
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+
+	xmlTextWriterEndElement(xmlWriter);
+
+	free(value);
+	value = NULL;
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+	free(xmlElemName);
+	xmlElemName = NULL;
+	free_feierabend(fabend);
+	free(fabend);
+	fabend = NULL;
+}
+
+void createEntry(int begin_hour,
+	int begin_min,
+	int end_hour,
+	int end_min)
+{
+	xmlChar* xmlElemName = NULL;
+	xmlChar* xmlElemContent = NULL;
+
+	xmlTextWriterPtr xmlWriter = xmlNewTextWriterFilename("/dev/stdout", 0);
+	xmlTextWriterSetIndent(xmlWriter, 8);
+	xmlElemContent = xmlCharStrdup("\t");
+	xmlTextWriterSetIndentString(xmlWriter, xmlElemContent);
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+
+	xmlTextWriterStartDocument(xmlWriter, "1.0", "UTF-8", NULL);
+
+	xmlElemName = xmlCharStrdup("zeitkonto");
+	xmlTextWriterStartElement(xmlWriter, xmlElemName);
+	free(xmlElemName);
+	xmlElemName = NULL;
+
+	xmlElemName = xmlCharStrdup("anfangssaldo");
+	xmlElemContent = xmlCharStrdup("00:00");
+	xmlTextWriterWriteAttribute(xmlWriter, xmlElemName, xmlElemContent);
+	free(xmlElemName);
+	xmlElemName = NULL;
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+
+	writeEntryNode(xmlWriter, NULL, begin_hour, begin_min, end_hour, end_min, 0);
+
+	xmlTextWriterEndElement(xmlWriter);
+	xmlTextWriterEndDocument(xmlWriter);
+
+	xmlFreeTextWriter(xmlWriter);
+	xmlWriter = NULL;
+
+	xmlDictCleanup();
+	xmlCleanupCharEncodingHandlers();
+
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+	free(xmlElemName);
+	xmlElemName = NULL;
+	xmlFreeTextWriter(xmlWriter);
+	xmlWriter = NULL;
+}
+
+void readLastSaldo(const char* file_path, char* value)
+{
+	xmlInitParser();
+	xmlDocPtr xmldoc = xmlReadFile(file_path, "UTF-8", 0);
+
+	if (xmldoc == NULL) {
+		printf("ERROR: could not open file: %s\n", file_path);
+		exit(EXIT_FAILURE);
+	}
+
+	xmlXPathContextPtr xmlcontext = xmlXPathNewContext(xmldoc);
+	xmlChar* expr = xmlCharStrdup("/zeitkonto/eintrag[last()]/@saldo");
+	xmlXPathObjectPtr xmlnode = xmlXPathEvalExpression(expr, xmlcontext);
+
+	if (xmlnode->nodesetval == NULL || xmlnode->nodesetval->nodeTab == NULL) {
+		free(expr);
+		expr = NULL;
+		xmlXPathFreeObject(xmlnode);
+		xmlnode = NULL;
+		expr = xmlCharStrdup("/zeitkonto/@anfangssaldo");
+		xmlnode = xmlXPathEvalExpression(expr, xmlcontext);
+	}
+
+	if (xmlnode->nodesetval->nodeTab == NULL) {
+		printf("ERROR: could not find an saldo\n");
+		xmlFreeDoc(xmldoc);
+		xmldoc = NULL;
+		xmlCleanupParser();
+
+		free(expr);
+		expr = NULL;
+		xmlXPathFreeObject(xmlnode);
+		xmlnode = NULL;
+		xmlXPathFreeContext(xmlcontext);
+		xmlcontext = NULL;
+		exit(EXIT_FAILURE);
+	}
+
+	strncpy(value,
+		(char*) xmlnode->nodesetval->nodeTab[0]->children->content,
+		MAX_STRING_LENGTH);
+
+	free(expr);
+	expr = NULL;
+	xmlXPathFreeObject(xmlnode);
+	xmlnode = NULL;
+	xmlFreeDoc(xmldoc);
+	xmldoc = NULL;
+	xmlXPathFreeContext(xmlcontext);
+	xmlcontext = NULL;
+
+	xmlCleanupParser();
+}
+
+void copyNodeAttributes(xmlTextReaderPtr xmlreader, xmlTextWriterPtr xmlwriter)
+{
+	xmlNodePtr xmlnode = NULL;
+	int attrCount = xmlTextReaderAttributeCount(xmlreader);
+	for (int i = 0; i < attrCount; i++) {
+		xmlTextReaderMoveToNextAttribute(xmlreader);
+		xmlnode = xmlTextReaderCurrentNode(xmlreader);
+		xmlTextWriterWriteAttribute(xmlwriter, xmlnode->name, xmlnode->children[0].content);
+	}
+}
+
+void addEntry(const char* date,
+	int begin_hour,
+	int begin_min,
+	int end_hour,
+	int end_min,
+	const char* file_path)
+{
+	char* saldostr = malloc(sizeof(char) * MAX_STRING_LENGTH);
+	memset(saldostr, 0, MAX_STRING_LENGTH);
+	readLastSaldo(file_path, saldostr);
+
+	xmlChar* xmlElemContent = NULL;
+	xmlTextWriterPtr xmlwriter = xmlNewTextWriterFilename("/dev/stdout", 0);
+	xmlTextWriterSetIndent(xmlwriter, 8);
+	xmlElemContent = xmlCharStrdup("\t");
+	xmlTextWriterSetIndentString(xmlwriter, xmlElemContent);
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+
+	xmlTextReaderPtr xmlreader = xmlReaderForFile(file_path, "UTF-8", 0);
+	xmlNodePtr xmlnode = NULL;
+
+	xmlTextWriterStartDocument(xmlwriter, "1.0", "UTF-8", NULL);
+
+	xmlTextReaderRead(xmlreader);
+	xmlnode = xmlTextReaderCurrentNode(xmlreader);
+	xmlTextWriterStartElement(xmlwriter, xmlnode->name);
+	copyNodeAttributes(xmlreader, xmlwriter);
+
+	xmlElemContent = xmlCharStrdup("eintrag");
+	while (xmlTextReaderRead(xmlreader) == 1) {
+		xmlnode = xmlTextReaderCurrentNode(xmlreader);
+		if (xmlnode->type == XML_ELEMENT_NODE && xmlStrcmp(xmlnode->name, xmlElemContent) == 0) {
+			xmlTextWriterStartElement(xmlwriter, xmlnode->name);
+			copyNodeAttributes(xmlreader, xmlwriter);
+			xmlTextWriterEndElement(xmlwriter);
+		}
+	}
+
+	time_t* saldo = malloc(sizeof(time_t));
+	get_seconds_from_string(saldostr, saldo);
+	writeEntryNode(xmlwriter, date, begin_hour, begin_min, end_hour, end_min, *saldo);
+	xmlTextWriterEndElement(xmlwriter);
+	xmlTextWriterEndDocument(xmlwriter);
+
+	xmlFreeTextWriter(xmlwriter);
+	xmlTextReaderClose(xmlreader);
+	xmlFreeTextReader(xmlreader);
+
+	xmlCleanupCharEncodingHandlers();
+	xmlDictCleanup();
+
+	free(xmlElemContent);
+	xmlElemContent = NULL;
+	free(saldo);
+	saldo = NULL;
+	free(saldostr);
+	saldostr = NULL;
+}
\ No newline at end of file
diff --git a/src/xml.h b/src/xml.h
new file mode 100644
index 0000000..9af3f66
--- /dev/null
+++ b/src/xml.h
@@ -0,0 +1,16 @@
+#ifndef XML_H
+#define XML_H
+
+void initTimeAcount();
+void createEntry(int begin_hour,
+	int begin_min,
+	int end_hour,
+	int end_min);
+void addEntry(const char* date,
+	int begin_hour,
+	int begin_min,
+	int end_hour,
+	int end_min,
+	const char* file_path);
+
+#endif
\ No newline at end of file