blob: 0b3f7482b13486e12f8b932e6f70eaca1617f60c (
plain) (
blame)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
|
/*******************************************************************************
* Copyright (c) 2009, 2011 Andrew Gvozdev and others.
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Andrew Gvozdev - initial API and implementation
*******************************************************************************/
package org.eclipse.cdt.core.language.settings.providers;
import java.util.ArrayList;
import java.util.List;
import org.eclipse.cdt.core.CCorePlugin;
import org.eclipse.cdt.core.model.CoreModel;
import org.eclipse.cdt.core.settings.model.ICConfigurationDescription;
import org.eclipse.cdt.core.settings.model.ICProjectDescription;
import org.eclipse.cdt.internal.core.LocalProjectScope;
import org.eclipse.cdt.internal.core.language.settings.providers.LanguageSettingsExtensionManager;
import org.eclipse.cdt.internal.core.language.settings.providers.LanguageSettingsProvidersSerializer;
import org.eclipse.core.resources.IProject;
import org.eclipse.core.runtime.preferences.InstanceScope;
import org.osgi.service.prefs.BackingStoreException;
import org.osgi.service.prefs.Preferences;
/**
* Collection of utilities for legacy support of older Scanner Discovery functionality.
* This class is temporary and not intended to be used by clients.
*
* @noextend This class is not intended to be subclassed by clients.
* @noinstantiate This class is not intended to be instantiated by clients.
*
* @since 5.4
*/
public class ScannerDiscoveryLegacySupport {
/** ID of User language settings provider (from org.eclipse.cdt.ui) */
public static final String USER_LANGUAGE_SETTINGS_PROVIDER_ID = "org.eclipse.cdt.ui.UserLanguageSettingsProvider"; //$NON-NLS-1$
/** ID of MBS language settings provider (from org.eclipse.cdt.managedbuilder.core) */
public static final String MBS_LANGUAGE_SETTINGS_PROVIDER_ID = "org.eclipse.cdt.managedbuilder.core.MBSLanguageSettingsProvider"; //$NON-NLS-1$
private static String USE_LANGUAGE_SETTINGS_PROVIDERS_PREFERENCE = "enabled"; //$NON-NLS-1$
// the default needs to be "false" for legacy projects to be open with old SD enabled for MBS provider
private static boolean USE_LANGUAGE_SETTINGS_PROVIDERS_DEFAULT = false;
private static final String PREFERENCES_QUALIFIER = CCorePlugin.PLUGIN_ID;
private static final String LANGUAGE_SETTINGS_PROVIDERS_NODE = "languageSettingsProviders"; //$NON-NLS-1$
private static Preferences getPreferences(IProject project) {
if (project == null)
return InstanceScope.INSTANCE.getNode(PREFERENCES_QUALIFIER).node(LANGUAGE_SETTINGS_PROVIDERS_NODE);
else
return new LocalProjectScope(project).getNode(PREFERENCES_QUALIFIER).node(LANGUAGE_SETTINGS_PROVIDERS_NODE);
}
/**
* Checks if Language Settings functionality is enabled for given project.
*
* @param project - project to check the preference
* @return {@code true} if functionality is enabled
*
* @noreference This method is temporary and not intended to be referenced by clients.
*/
public static boolean isLanguageSettingsProvidersFunctionalityEnabled(IProject project) {
Preferences pref = getPreferences(project);
return pref.getBoolean(USE_LANGUAGE_SETTINGS_PROVIDERS_PREFERENCE, USE_LANGUAGE_SETTINGS_PROVIDERS_DEFAULT);
}
/**
* Enable/disable Language Settings functionality for the given project.
*
* @param project
* @param value {@code true} to enable or {@code false} to disable the functionality.
*
* @noreference This method is temporary and not intended to be referenced by clients.
*/
public static void setLanguageSettingsProvidersFunctionalityEnabled(IProject project, boolean value) {
Preferences pref = getPreferences(project);
pref.putBoolean(USE_LANGUAGE_SETTINGS_PROVIDERS_PREFERENCE, value);
try {
pref.flush();
} catch (BackingStoreException e) {
CCorePlugin.log(e);
}
}
/**
* Check if legacy Scanner Discovery in MBS should be active.
*/
private static boolean isMbsLanguageSettingsProviderOn(ICConfigurationDescription cfgDescription) {
if (cfgDescription instanceof ILanguageSettingsProvidersKeeper) {
List<ILanguageSettingsProvider> lsProviders = ((ILanguageSettingsProvidersKeeper) cfgDescription).getLanguageSettingProviders();
for (ILanguageSettingsProvider lsp : lsProviders) {
if (MBS_LANGUAGE_SETTINGS_PROVIDER_ID.equals(lsp.getId())) {
return true;
}
}
}
return false;
}
/**
* @noreference This is internal helper method to support compatibility with previous versions
* which is not intended to be referenced by clients.
*/
public static boolean isLegacyScannerDiscoveryOn(ICConfigurationDescription cfgDescription) {
IProject project = null;
if (cfgDescription != null) {
ICProjectDescription prjDescription = cfgDescription.getProjectDescription();
if (prjDescription != null) {
project = prjDescription.getProject();
}
}
return isLanguageSettingsProvidersFunctionalityEnabled(project) || isMbsLanguageSettingsProviderOn(cfgDescription);
}
/**
* @noreference This is internal helper method to support compatibility with previous versions
* which is not intended to be referenced by clients.
*/
public static boolean isLegacyScannerDiscoveryOn(IProject project) {
ICConfigurationDescription cfgDescription = null;
ICProjectDescription prjDescription = CoreModel.getDefault().getProjectDescription(project);
if (prjDescription != null) {
cfgDescription = prjDescription.getActiveConfiguration();
}
return isLanguageSettingsProvidersFunctionalityEnabled(project) || isMbsLanguageSettingsProviderOn(cfgDescription);
}
/**
* Return list containing MBS and User provider. Used to initialize for unaware tool-chains (backward compatibility).
*/
public static List<ILanguageSettingsProvider> getDefaultProvidersLegacy() {
List<ILanguageSettingsProvider> providers = new ArrayList<ILanguageSettingsProvider>(2);
ILanguageSettingsProvider provider = LanguageSettingsExtensionManager.getExtensionProviderCopy((ScannerDiscoveryLegacySupport.USER_LANGUAGE_SETTINGS_PROVIDER_ID), false);
if (provider != null) {
providers.add(provider);
}
providers.add(LanguageSettingsProvidersSerializer.getWorkspaceProvider(ScannerDiscoveryLegacySupport.MBS_LANGUAGE_SETTINGS_PROVIDER_ID));
return providers;
}
}
|
