private static BipartiteString findParentDirStrWithLastComponentPrefix(String pathBeforeCaret) {
BipartiteString unixBipartiteString =
splitByLastIndexOfSeparatorOccurrence(
pathBeforeCaret, JstdConfigFileUtils.UNIX_PATH_SEPARATOR);
BipartiteString winBipartiteString =
splitByLastIndexOfSeparatorOccurrence(
pathBeforeCaret, JstdConfigFileUtils.WINDOWS_PATH_SEPARATOR);
if (unixBipartiteString.getSuffix().length() < winBipartiteString.getSuffix().length()) {
return unixBipartiteString;
} else {
return winBipartiteString;
}
}
@Nullable
private static Character extractDirectoryTrailingFileSeparator(
BipartiteString caretBipartiteElementText) {
Character prefixPrevalentSeparator =
extractPrevalentSeparator(caretBipartiteElementText.getWholeString());
if (prefixPrevalentSeparator != null) {
return prefixPrevalentSeparator;
}
Character suffixPrevalentSeparator =
extractPrevalentSeparator(caretBipartiteElementText.getSuffix());
if (suffixPrevalentSeparator != null) {
return suffixPrevalentSeparator;
}
return null;
}
private static void addPathCompletions(
@NotNull CompletionResultSet result,
@NotNull BipartiteString caretBipartiteElementText,
@NotNull VirtualFile basePath,
boolean directoryExpected) {
ParentDirWithLastComponentPrefix parentWithLastComponentPrefix =
findParentDirWithLastComponentPrefix(basePath, caretBipartiteElementText.getPrefix());
if (parentWithLastComponentPrefix != null) {
PrefixMatcher matcher =
new StrictPrefixMatcher(parentWithLastComponentPrefix.getLastComponentPrefix(), false);
result = result.withPrefixMatcher(matcher);
VirtualFile parentFile = parentWithLastComponentPrefix.getParent();
VirtualFile[] children = parentFile.getChildren();
Character dirSeparatorSuffix =
extractDirectoryTrailingFileSeparator(caretBipartiteElementText);
if (parentFile.isDirectory()) {
result.addElement(LookupItem.fromString(".."));
}
for (VirtualFile child : children) {
if (child.isDirectory() || !directoryExpected) {
String name = child.getName();
if (child.isDirectory() && dirSeparatorSuffix != null) {
name += dirSeparatorSuffix;
}
result.addElement(LookupItem.fromString(name));
}
}
}
}
@Nullable
private static ParentDirWithLastComponentPrefix findParentDirWithLastComponentPrefix(
@NotNull VirtualFile basePath, @NotNull String pathBeforeCaret) {
BipartiteString parentDirStrWithLastComponent =
findParentDirStrWithLastComponentPrefix(pathBeforeCaret);
String parentDirPath =
FileUtil.toSystemIndependentName(parentDirStrWithLastComponent.getPrefix());
{
VirtualFile parentFile = basePath.findFileByRelativePath(parentDirPath);
if (parentFile != null) {
return new ParentDirWithLastComponentPrefix(
parentFile, parentDirStrWithLastComponent.getSuffix());
}
}
File absolutePath = new File(parentDirPath);
if (absolutePath.isAbsolute()) {
VirtualFile absolute = LocalFileSystem.getInstance().findFileByIoFile(absolutePath);
if (absolute != null) {
return new ParentDirWithLastComponentPrefix(
absolute, parentDirStrWithLastComponent.getSuffix());
}
}
return null;
}
private static void addTopLevelKeysCompletionIfNeeded(
@NotNull CompletionParameters parameters,
@NotNull CompletionResultSet result,
@NotNull BipartiteString caretBipartiteElementText) {
PsiElement element = parameters.getPosition();
YAMLDocument yamlDocument = ObjectUtils.tryCast(element.getParent(), YAMLDocument.class);
if (yamlDocument == null) {
yamlDocument =
JstdConfigFileUtils.getVerifiedHierarchyHead(
element.getParent(), new Class[] {YAMLKeyValue.class}, YAMLDocument.class);
}
if (yamlDocument != null) {
String prefix = caretBipartiteElementText.getPrefix();
result = result.withPrefixMatcher(prefix);
for (String key : JstdConfigFileUtils.VALID_TOP_LEVEL_KEYS) {
if (key.startsWith(prefix)) {
result.addElement(LookupItem.fromString(key + ":"));
}
}
}
}