Moved code around to make possible to compile the C part alone.

The C code should be compilable without the need to compile the Gui part,
too. This is expecially good for unit testing as we can test all the
algorithms without a window appearing out of nowhere.

Signed-off-by: Tomaz Canabrava <tomaz.canabrava@intel.com>
Signed-off-by: Dirk Hohndel <dirk@hohndel.org>

6 files changed, 168 insertions, 143 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 95872d1b4..ba318ca60 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -102,6 +102,8 @@ SET(SUBSURFACE_CORE_LIB_SRCS
 	linux.c
 	#gettextfrommoc should be added because we are using it on the c-code.
 	gettextfromc.cpp
+	#dirk ported some core functionality to c++.
+	qthelper.cpp
 )
 
 #the interface, in C++
@@ -192,7 +194,7 @@ ADD_DEPENDENCIES(subsurface_corelib version)
 
 ENABLE_TESTING()
 ADD_EXECUTABLE( TestUnitConversion tests/testunitconversion.cpp )
-TARGET_LINK_LIBRARIES( TestUnitConversion ${QT_LIBRARIES})
+TARGET_LINK_LIBRARIES( TestUnitConversion ${QT_LIBRARIES}  ${SUBSURFACE_LINK_LIBRARIES} -lzip -ldivecomputer subsurface_corelib)
 ADD_TEST( NAME TestUnitConversion COMMAND TestUnitConversion)
 
 ADD_EXECUTABLE( TestProfile tests/testprofile.cpp )
diff --git a/qt-gui.cpp b/qt-gui.cpp
index a3b8b44b6..934589f8d 100644
--- a/qt-gui.cpp
+++ b/qt-gui.cpp
@@ -9,8 +9,6 @@
 #include <sys/time.h>
 #include <ctype.h>
 
-#include <libxslt/documents.h>
-
 #include "dive.h"
 #include "divelist.h"
 #include "display.h"
@@ -45,11 +43,6 @@
 // this will create a warning when executing lupdate
 #define translate(_context, arg) gettextFromC::instance()->tr(arg)
 
-const char *default_dive_computer_vendor;
-const char *default_dive_computer_product;
-const char *default_dive_computer_device;
-DiveComputerList dcList;
-
 static QApplication *application = NULL;
 static MainWindow *window = NULL;
 
@@ -197,34 +190,6 @@ const QString get_dc_nickname(const char *model, uint32_t deviceid)
 		return model;
 }
 
-void set_dc_nickname(struct dive *dive)
-{
-	if (!dive)
-		return;
-
-	struct divecomputer *dc = &dive->dc;
-
-	while (dc) {
-		if (dc->model && *dc->model && dc->deviceid &&
-		    !dcList.getExact(dc->model, dc->deviceid)) {
-			// we don't have this one, yet
-			const DiveComputerNode *existNode = dcList.get(dc->model);
-			if (existNode) {
-				// we already have this model but a different deviceid
-				QString simpleNick(dc->model);
-				if (dc->deviceid == 0)
-					simpleNick.append(" (unknown deviceid)");
-				else
-					simpleNick.append(" (").append(QString::number(dc->deviceid, 16)).append(")");
-				dcList.addDC(dc->model, dc->deviceid, simpleNick);
-			} else {
-				dcList.addDC(dc->model, dc->deviceid);
-			}
-		}
-		dc = dc->next;
-	}
-}
-
 QString get_depth_string(int mm, bool showunit, bool showdecimal)
 {
 	if (prefs.units.length == units::METERS) {
@@ -358,55 +323,6 @@ double get_screen_dpi()
 	return mydesk->physicalDpiX();
 }
 
-int is_default_dive_computer(const char *vendor, const char *product)
-{
-	return default_dive_computer_vendor && !strcmp(vendor, default_dive_computer_vendor) &&
-	       default_dive_computer_product && !strcmp(product, default_dive_computer_product);
-}
-
-int is_default_dive_computer_device(const char *name)
-{
-	return default_dive_computer_device && !strcmp(name, default_dive_computer_device);
-}
-
-void set_default_dive_computer(const char *vendor, const char *product)
-{
-	QSettings s;
-
-	if (!vendor || !*vendor)
-		return;
-	if (!product || !*product)
-		return;
-	if (is_default_dive_computer(vendor, product))
-		return;
-	if (default_dive_computer_vendor)
-		free((void *)default_dive_computer_vendor);
-	if (default_dive_computer_product)
-		free((void *)default_dive_computer_product);
-	default_dive_computer_vendor = strdup(vendor);
-	default_dive_computer_product = strdup(product);
-	s.beginGroup("DiveComputer");
-	s.setValue("dive_computer_vendor", vendor);
-	s.setValue("dive_computer_product", product);
-	s.endGroup();
-}
-
-void set_default_dive_computer_device(const char *name)
-{
-	QSettings s;
-
-	if (!name || !*name)
-		return;
-	if (is_default_dive_computer_device(name))
-		return;
-	if (default_dive_computer_device)
-		free((void *)default_dive_computer_device);
-	default_dive_computer_device = strdup(name);
-	s.beginGroup("DiveComputer");
-	s.setValue("dive_computer_device", name);
-	s.endGroup();
-}
-
 QString getSubsurfaceDataPath(QString folderToFind)
 {
 	QString execdir;
@@ -440,28 +356,6 @@ QString getSubsurfaceDataPath(QString folderToFind)
 	return QString("");
 }
 
-void create_device_node(const char *model, uint32_t deviceid, const char *serial, const char *firmware, const char *nickname)
-{
-	dcList.addDC(model, deviceid, nickname, serial, firmware);
-}
-
-bool compareDC(const DiveComputerNode &a, const DiveComputerNode &b)
-{
-	return a.deviceId < b.deviceId;
-}
-
-void call_for_each_dc(void *f, void (*callback)(void *, const char *, uint32_t,
-						const char *, const char *, const char *))
-{
-	QList<DiveComputerNode> values = dcList.dcMap.values();
-	qSort(values.begin(), values.end(), compareDC);
-	for (int i = 0; i < values.size(); i++) {
-		const DiveComputerNode *node = &values.at(i);
-		callback(f, node->model.toUtf8().data(), node->deviceId, node->nickName.toUtf8().data(),
-			 node->serialNumber.toUtf8().data(), node->firmware.toUtf8().data());
-	}
-}
-
 int gettimezoneoffset()
 {
 	QDateTime dt1 = QDateTime::currentDateTime();
@@ -530,36 +424,3 @@ QString get_trip_date_string(timestamp_t when, int nr)
 		    .arg(monthname(tm.tm_mon))
 		    .arg(tm.tm_year + 1900);
 }
-
-static xmlDocPtr get_stylesheet_doc(const xmlChar *uri, xmlDictPtr, int, void *, xsltLoadType)
-{
-	QFile f(QLatin1String(":/xslt/") + (const char *)uri);
-	if (!f.open(QIODevice::ReadOnly))
-		return NULL;
-
-	/* Load and parse the data */
-	QByteArray source = f.readAll();
-
-	xmlDocPtr doc = xmlParseMemory(source, source.size());
-	return doc;
-}
-
-xsltStylesheetPtr get_stylesheet(const char *name)
-{
-	// this needs to be done only once, but doesn't hurt to run every time
-	xsltSetLoaderFunc(get_stylesheet_doc);
-
-	// get main document:
-	xmlDocPtr doc = get_stylesheet_doc((const xmlChar *)name, NULL, 0, NULL, XSLT_LOAD_START);
-	if (!doc)
-		return NULL;
-
-	//	xsltSetGenericErrorFunc(stderr, NULL);
-	xsltStylesheetPtr xslt = xsltParseStylesheetDoc(doc);
-	if (!xslt) {
-		xmlFreeDoc(doc);
-		return NULL;
-	}
-
-	return xslt;
-}
diff --git a/qthelper.cpp b/qthelper.cpp
index 8ad85402a..c8f4668ff 100644
--- a/qthelper.cpp
+++ b/qthelper.cpp
@@ -1,12 +1,19 @@
 #include "qthelper.h"
-#include "qt-ui/mainwindow.h"
 #include "qt-gui.h"
 #include <QRegExp>
 #include <QDir>
-#include <QFileDialog>
+
 #include <QDebug>
+#include <QSettings>
+#include <libxslt/documents.h>
+
+#define tr(_arg) QObject::tr(_arg)
+
+const char *default_dive_computer_vendor;
+const char *default_dive_computer_product;
+const char *default_dive_computer_device;
+DiveComputerList dcList;
 
-#define tr(_arg) MainWindow::instance()->information()->tr(_arg)
 DiveComputerList::DiveComputerList()
 {
 }
@@ -265,3 +272,136 @@ int getUniqID(struct dive *d)
 	ids.insert(id);
 	return id;
 }
+
+extern "C" void create_device_node(const char *model, uint32_t deviceid, const char *serial, const char *firmware, const char *nickname)
+{
+	dcList.addDC(model, deviceid, nickname, serial, firmware);
+}
+
+extern "C" bool compareDC(const DiveComputerNode &a, const DiveComputerNode &b)
+{
+	return a.deviceId < b.deviceId;
+}
+
+extern "C" void call_for_each_dc(void *f, void (*callback)(void *, const char *, uint32_t,
+						const char *, const char *, const char *))
+{
+	QList<DiveComputerNode> values = dcList.dcMap.values();
+	qSort(values.begin(), values.end(), compareDC);
+	for (int i = 0; i < values.size(); i++) {
+		const DiveComputerNode *node = &values.at(i);
+		callback(f, node->model.toUtf8().data(), node->deviceId, node->nickName.toUtf8().data(),
+			 node->serialNumber.toUtf8().data(), node->firmware.toUtf8().data());
+	}
+}
+
+
+static xmlDocPtr get_stylesheet_doc(const xmlChar *uri, xmlDictPtr, int, void *, xsltLoadType)
+{
+	QFile f(QLatin1String(":/xslt/") + (const char *)uri);
+	if (!f.open(QIODevice::ReadOnly))
+		return NULL;
+
+	/* Load and parse the data */
+	QByteArray source = f.readAll();
+
+	xmlDocPtr doc = xmlParseMemory(source, source.size());
+	return doc;
+}
+
+extern "C" xsltStylesheetPtr get_stylesheet(const char *name)
+{
+	// this needs to be done only once, but doesn't hurt to run every time
+	xsltSetLoaderFunc(get_stylesheet_doc);
+
+	// get main document:
+	xmlDocPtr doc = get_stylesheet_doc((const xmlChar *)name, NULL, 0, NULL, XSLT_LOAD_START);
+	if (!doc)
+		return NULL;
+
+	//	xsltSetGenericErrorFunc(stderr, NULL);
+	xsltStylesheetPtr xslt = xsltParseStylesheetDoc(doc);
+	if (!xslt) {
+		xmlFreeDoc(doc);
+		return NULL;
+	}
+
+	return xslt;
+}
+
+extern "C" int is_default_dive_computer(const char *vendor, const char *product)
+{
+	return default_dive_computer_vendor && !strcmp(vendor, default_dive_computer_vendor) &&
+	       default_dive_computer_product && !strcmp(product, default_dive_computer_product);
+}
+
+extern "C" int is_default_dive_computer_device(const char *name)
+{
+	return default_dive_computer_device && !strcmp(name, default_dive_computer_device);
+}
+
+void set_default_dive_computer(const char *vendor, const char *product)
+{
+	QSettings s;
+
+	if (!vendor || !*vendor)
+		return;
+	if (!product || !*product)
+		return;
+	if (is_default_dive_computer(vendor, product))
+		return;
+	if (default_dive_computer_vendor)
+		free((void *)default_dive_computer_vendor);
+	if (default_dive_computer_product)
+		free((void *)default_dive_computer_product);
+	default_dive_computer_vendor = strdup(vendor);
+	default_dive_computer_product = strdup(product);
+	s.beginGroup("DiveComputer");
+	s.setValue("dive_computer_vendor", vendor);
+	s.setValue("dive_computer_product", product);
+	s.endGroup();
+}
+
+void set_default_dive_computer_device(const char *name)
+{
+	QSettings s;
+
+	if (!name || !*name)
+		return;
+	if (is_default_dive_computer_device(name))
+		return;
+	if (default_dive_computer_device)
+		free((void *)default_dive_computer_device);
+	default_dive_computer_device = strdup(name);
+	s.beginGroup("DiveComputer");
+	s.setValue("dive_computer_device", name);
+	s.endGroup();
+}
+
+extern "C" void set_dc_nickname(struct dive *dive)
+{
+	if (!dive)
+		return;
+
+	struct divecomputer *dc = &dive->dc;
+
+	while (dc) {
+		if (dc->model && *dc->model && dc->deviceid &&
+		    !dcList.getExact(dc->model, dc->deviceid)) {
+			// we don't have this one, yet
+			const DiveComputerNode *existNode = dcList.get(dc->model);
+			if (existNode) {
+				// we already have this model but a different deviceid
+				QString simpleNick(dc->model);
+				if (dc->deviceid == 0)
+					simpleNick.append(" (unknown deviceid)");
+				else
+					simpleNick.append(" (").append(QString::number(dc->deviceid, 16)).append(")");
+				dcList.addDC(dc->model, dc->deviceid, simpleNick);
+			} else {
+				dcList.addDC(dc->model, dc->deviceid);
+			}
+		}
+		dc = dc->next;
+	}
+}
diff --git a/tests/testprofile.cpp b/tests/testprofile.cpp
new file mode 100644
index 000000000..d8aea3cae
--- /dev/null
+++ b/tests/testprofile.cpp
@@ -0,0 +1,9 @@
+#include "testprofile.h"
+#include "dive.h"
+
+void TestProfile::testRedCeiling()
+{
+	parse_file("../dives/deep.xml");
+}
+
+QTEST_MAIN(TestProfile)
\ No newline at end of file
diff --git a/tests/testprofile.h b/tests/testprofile.h
new file mode 100644
index 000000000..25f094b1b
--- /dev/null
+++ b/tests/testprofile.h
@@ -0,0 +1,12 @@
+#ifndef TESTPROFILE_H
+#define TESTPROFILE_H
+
+#include <QtTest>
+
+class TestProfile : public QObject{
+	Q_OBJECT
+private slots:
+	void testRedCeiling();
+};
+
+#endif
diff --git a/tests/testunitconversion.cpp b/tests/testunitconversion.cpp
index b4d04067f..3adf975c4 100644
--- a/tests/testunitconversion.cpp
+++ b/tests/testunitconversion.cpp
@@ -20,6 +20,7 @@ void TestUnitConversion::testUnitConversions()
 	QCOMPARE(IS_FP_SAME(bar_to_atm(1.013), 1), true);
 	QCOMPARE(IS_FP_SAME(mbar_to_atm(1013), 1), true);
 	QCOMPARE(mbar_to_PSI(1013), (int)15);
+	get_units();
 }
 
 QTEST_MAIN(TestUnitConversion)