#525521837

Committed 30 Apr 2026 08:31AM UTC coverage: 76.164% (+0.03%) from 76.138%

Build # #525521837

Build Type

Pull #3207

github

Committed by

web-flow

Commit Message

Merge df280c60d into 1e17bb8bf

Pull Request Pull Request #3207: Hurricup/fixes

Coverage Stats

14754 of 22542 branches covered (65.45%)

Branch coverage included in aggregate %.

4 of 5 new or added lines in 2 files covered. (80.0%)

4 existing lines in 4 files now uncovered.

31083 of 37640 relevant lines covered (82.58%)

0.83 hits per line

Source File
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76.14

/tt2/common/src/main/java/com/perl5/lang/tt2/TemplateToolkitFileViewProvider.java

/*
 * Copyright 2015-2025 Alexandr Evstigneev
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.perl5.lang.tt2;

import com.intellij.lang.Language;
import com.intellij.lang.LanguageParserDefinitions;
import com.intellij.lang.ParserDefinition;
import com.intellij.lang.html.HTMLLanguage;
import com.intellij.openapi.project.Project;
import com.intellij.openapi.vfs.VirtualFile;
import com.intellij.psi.MultiplePsiFilesPerDocumentFileViewProvider;
import com.intellij.psi.PsiElement;
import com.intellij.psi.PsiFile;
import com.intellij.psi.PsiManager;
import com.intellij.psi.impl.source.PsiFileImpl;
import com.intellij.psi.templateLanguages.ConfigurableTemplateLanguageFileViewProvider;
import com.intellij.psi.templateLanguages.OuterLanguageElement;
import com.intellij.psi.templateLanguages.TemplateDataLanguageMappings;
import com.intellij.testFramework.LightVirtualFile;
import com.intellij.util.ReflectionUtil;
import com.perl5.lang.perl.PerlLanguage;
import com.perl5.lang.tt2.elementTypes.TemplateToolkitElementTypes;
import org.jetbrains.annotations.NotNull;
import org.jetbrains.annotations.Nullable;

import java.util.HashSet;
import java.util.Set;


public class TemplateToolkitFileViewProvider extends MultiplePsiFilesPerDocumentFileViewProvider
  implements ConfigurableTemplateLanguageFileViewProvider {
  private final Language myBaseLanguage = TemplateToolkitLanguage.INSTANCE;
  private final Language myTemplateLanguage;
  private final Set<Language> myRelevantLanguages = new HashSet<>();

  public TemplateToolkitFileViewProvider(@NotNull PsiManager manager, @NotNull VirtualFile virtualFile, boolean eventSystemEnabled) {
    super(manager, virtualFile, eventSystemEnabled);
    myRelevantLanguages.add(getBaseLanguage());
    myRelevantLanguages.add(myTemplateLanguage = calcTemplateLanguage(manager, virtualFile));
  }

  @Override
  public @NotNull Set<Language> getLanguages() {
    return myRelevantLanguages;
  }

  @Override
  public @NotNull Language getBaseLanguage() {
    return myBaseLanguage;
  }

  @Override
  protected @NotNull MultiplePsiFilesPerDocumentFileViewProvider cloneInner(@NotNull VirtualFile fileCopy) {
    return new TemplateToolkitFileViewProvider(getManager(), fileCopy, false);
  }

  @Override
  public @NotNull Language getTemplateDataLanguage() {
    return myTemplateLanguage;
  }

  @Override
  protected @Nullable PsiFile createFile(@NotNull Language lang) {
    if (lang == getTemplateDataLanguage()) {
      ParserDefinition parserDefinition = LanguageParserDefinitions.INSTANCE.forLanguage(getTemplateDataLanguage());

      if (parserDefinition == null) {
        return null;
      }

      final PsiFileImpl file = (PsiFileImpl)parserDefinition.createFile(this);
      file.setContentElementType(TemplateToolkitElementTypes.TT2_TEMPLATE_DATA);
      return file;
    }

    if (lang == getBaseLanguage()) {
      return LanguageParserDefinitions.INSTANCE.forLanguage(lang).createFile(this);
    }
    return null;
  }

  @Override
  public @Nullable PsiElement findElementAt(int offset, @NotNull Class<? extends Language> lang) {
    final PsiFile mainRoot = getPsi(getBaseLanguage());
    PsiElement ret = null;
    for (final Language language : getLanguages()) {
      if (!ReflectionUtil.isAssignable(lang, language.getClass())) {
        continue;
      }
      if (lang.equals(Language.class) && !getLanguages().contains(language)) {
        continue;
      }

      final PsiFile psiRoot = getPsi(language);
      final PsiElement psiElement = findElementAt(psiRoot, offset);
      if (psiElement == null || psiElement instanceof OuterLanguageElement) {
        continue;
      }
      if (ret == null || psiRoot != mainRoot) {
        ret = psiElement;
        // fixme this hack is to avoid detecting perl code on lexing phase, guess there are more bugs of this kind, so we better do
        if (psiElement.getLanguage() == PerlLanguage.INSTANCE) {
          break;
        }
      }
    }
    return ret;
  }

  public static Language calcTemplateLanguage(@Nullable Project project, @Nullable VirtualFile file) {
    return calcTemplateLanguage(project == null ? null : PsiManager.getInstance(project), file);
  }

  public static Language calcTemplateLanguage(@Nullable PsiManager manager, @Nullable VirtualFile file) {
    while (file instanceof LightVirtualFile lightVirtualFile) {
      VirtualFile originalFile = lightVirtualFile.getOriginalFile();
      if (originalFile == null || originalFile == file) {
        break;
      }
      file = originalFile;
    }

    Language result = manager == null ? null : TemplateDataLanguageMappings.getInstance(manager.getProject()).getMapping(file);
    return result == null ? HTMLLanguage.INSTANCE : result;
  }
}

1	/*
2	* Copyright 2015-2025 Alexandr Evstigneev
3	*
4	* Licensed under the Apache License, Version 2.0 (the "License");
5	* you may not use this file except in compliance with the License.
6	* You may obtain a copy of the License at
7	*
8	* http://www.apache.org/licenses/LICENSE-2.0
9	*
10	* Unless required by applicable law or agreed to in writing, software
11	* distributed under the License is distributed on an "AS IS" BASIS,
12	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13	* See the License for the specific language governing permissions and
14	* limitations under the License.
15	*/
16
17	package com.perl5.lang.tt2;
18
19	import com.intellij.lang.Language;
20	import com.intellij.lang.LanguageParserDefinitions;
21	import com.intellij.lang.ParserDefinition;
22	import com.intellij.lang.html.HTMLLanguage;
23	import com.intellij.openapi.project.Project;
24	import com.intellij.openapi.vfs.VirtualFile;
25	import com.intellij.psi.MultiplePsiFilesPerDocumentFileViewProvider;
26	import com.intellij.psi.PsiElement;
27	import com.intellij.psi.PsiFile;
28	import com.intellij.psi.PsiManager;
29	import com.intellij.psi.impl.source.PsiFileImpl;
30	import com.intellij.psi.templateLanguages.ConfigurableTemplateLanguageFileViewProvider;
31	import com.intellij.psi.templateLanguages.OuterLanguageElement;
32	import com.intellij.psi.templateLanguages.TemplateDataLanguageMappings;
33	import com.intellij.testFramework.LightVirtualFile;
34	import com.intellij.util.ReflectionUtil;
35	import com.perl5.lang.perl.PerlLanguage;
36	import com.perl5.lang.tt2.elementTypes.TemplateToolkitElementTypes;
37	import org.jetbrains.annotations.NotNull;
38	import org.jetbrains.annotations.Nullable;
39
40	import java.util.HashSet;
41	import java.util.Set;
42
43
44	public class TemplateToolkitFileViewProvider extends MultiplePsiFilesPerDocumentFileViewProvider
45	implements ConfigurableTemplateLanguageFileViewProvider {
46	private final Language myBaseLanguage = TemplateToolkitLanguage.INSTANCE;	1✔
47	private final Language myTemplateLanguage;
48	private final Set<Language> myRelevantLanguages = new HashSet<>();	1✔
49
50	public TemplateToolkitFileViewProvider(@NotNull PsiManager manager, @NotNull VirtualFile virtualFile, boolean eventSystemEnabled) {
51	super(manager, virtualFile, eventSystemEnabled);	1✔
52	myRelevantLanguages.add(getBaseLanguage());	1✔
53	myRelevantLanguages.add(myTemplateLanguage = calcTemplateLanguage(manager, virtualFile));	1✔
54	}	1✔
55
56	@Override
57	public @NotNull Set<Language> getLanguages() {
58	return myRelevantLanguages;	1!
59	}
60
61	@Override
62	public @NotNull Language getBaseLanguage() {
63	return myBaseLanguage;	1!
64	}
65
66	@Override
67	protected @NotNull MultiplePsiFilesPerDocumentFileViewProvider cloneInner(@NotNull VirtualFile fileCopy) {
68	return new TemplateToolkitFileViewProvider(getManager(), fileCopy, false);	1✔
69	}
70
71	@Override
72	public @NotNull Language getTemplateDataLanguage() {
73	return myTemplateLanguage;	1!
74	}
75
76	@Override
77	protected @Nullable PsiFile createFile(@NotNull Language lang) {
78	if (lang == getTemplateDataLanguage()) {	1✔
79	ParserDefinition parserDefinition = LanguageParserDefinitions.INSTANCE.forLanguage(getTemplateDataLanguage());	1✔
80
81	if (parserDefinition == null) {	1!
82	return null;	×
83	}
84
85	final PsiFileImpl file = (PsiFileImpl)parserDefinition.createFile(this);	1✔
86	file.setContentElementType(TemplateToolkitElementTypes.TT2_TEMPLATE_DATA);	1✔
87	return file;	1✔
88	}
89
90	if (lang == getBaseLanguage()) {	1!
91	return LanguageParserDefinitions.INSTANCE.forLanguage(lang).createFile(this);	1✔
92	}
93	return null;	×
94	}
95
96	@Override
97	public @Nullable PsiElement findElementAt(int offset, @NotNull Class<? extends Language> lang) {
98	final PsiFile mainRoot = getPsi(getBaseLanguage());	1✔
99	PsiElement ret = null;	1✔
100	for (final Language language : getLanguages()) {	1✔
101	if (!ReflectionUtil.isAssignable(lang, language.getClass())) {	1!
102	continue;	×
103	}
104	if (lang.equals(Language.class) && !getLanguages().contains(language)) {	1!
105	continue;	×
106	}
107
108	final PsiFile psiRoot = getPsi(language);	1✔
109	final PsiElement psiElement = findElementAt(psiRoot, offset);	1✔
110	if (psiElement == null \|\| psiElement instanceof OuterLanguageElement) {	1✔
111	continue;	1✔
112	}
113	if (ret == null \|\| psiRoot != mainRoot) {	1!
114	ret = psiElement;	1✔
115	// fixme this hack is to avoid detecting perl code on lexing phase, guess there are more bugs of this kind, so we better do
116	if (psiElement.getLanguage() == PerlLanguage.INSTANCE) {	1!
UNCOV 117	break;	×
118	}
119	}
120	}	1✔
121	return ret;	1✔
122	}
123
124	public static Language calcTemplateLanguage(@Nullable Project project, @Nullable VirtualFile file) {
125	return calcTemplateLanguage(project == null ? null : PsiManager.getInstance(project), file);	1!
126	}
127
128	public static Language calcTemplateLanguage(@Nullable PsiManager manager, @Nullable VirtualFile file) {
129	while (file instanceof LightVirtualFile lightVirtualFile) {	1✔
130	VirtualFile originalFile = lightVirtualFile.getOriginalFile();	1✔
131	if (originalFile == null \|\| originalFile == file) {	1!
132	break;	×
133	}
134	file = originalFile;	1✔
135	}	1✔
136
137	Language result = manager == null ? null : TemplateDataLanguageMappings.getInstance(manager.getProject()).getMapping(file);	1!
138	return result == null ? HTMLLanguage.INSTANCE : result;	1!
139	}
140	}

Camelcade / Perl5-IDEA / #525521837

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