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Enable single backslashes at fileDirectory #9889

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merged 9 commits into from
May 15, 2023
Merged

Enable single backslashes at fileDirectory #9889

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b887d77
More .withField
koppor May 14, 2023
c2821f9
USe StringJoiner instead of StringBuilder
koppor May 14, 2023
2de46aa
Some code comments
koppor May 14, 2023
218f72a
Merge remote-tracking branch 'upstream/main' into backslashes-are-ok
koppor May 14, 2023
6068db2
Reorder cases
koppor May 14, 2023
b878fb8
Prepare for removal of ";"
koppor May 14, 2023
65c48a0
Fix variable name
koppor May 14, 2023
0e6a7fc
Fix UNC path handling
koppor May 15, 2023
e9537a6
Fix checkstyle
koppor May 15, 2023
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2 changes: 1 addition & 1 deletion src/main/java/org/jabref/logic/exporter/BibWriter.java
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Expand Up @@ -26,7 +26,7 @@ public BibWriter(Writer writer, String newLineSeparator) {
}

/**
* Writes the given string. The newlines of the given string are converted to the newline set for this clas
* Writes the given string. The newlines of the given string are converted to the newline set for this class
*/
public void write(String string) throws IOException {
if (precedingNewLineRequired) {
Expand Down
54 changes: 35 additions & 19 deletions src/main/java/org/jabref/logic/exporter/MetaDataSerializer.java
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Expand Up @@ -5,6 +5,7 @@
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.StringJoiner;
import java.util.TreeMap;
import java.util.stream.Collectors;

Expand All @@ -21,6 +22,9 @@
import org.jabref.model.metadata.MetaData;
import org.jabref.model.strings.StringUtil;

/**
* Reading is done at {@link org.jabref.logic.importer.util.MetaDataParser}
*/
public class MetaDataSerializer {

private MetaDataSerializer() {
Expand All @@ -32,8 +36,12 @@ private MetaDataSerializer() {
public static Map<String, String> getSerializedStringMap(MetaData metaData,
GlobalCitationKeyPattern globalCiteKeyPattern) {

// First write all meta data except groups
// metadata-key, list of contents
// - contents to be separated by OS.NEWLINE
// - each meta data item is written as separate @Comment entry - see org.jabref.logic.exporter.BibtexDatabaseWriter.writeMetaDataItem
Map<String, List<String>> stringyMetaData = new HashMap<>();

// First write all meta data except groups
metaData.getSaveOrderConfig().ifPresent(
saveOrderConfig -> stringyMetaData.put(MetaData.SAVE_ORDER_CONFIG, saveOrderConfig.getAsStringList()));
metaData.getSaveActions().ifPresent(
Expand All @@ -51,7 +59,7 @@ public static Map<String, String> getSerializedStringMap(MetaData metaData,
metaData.getLatexFileDirectories().forEach((user, path) -> stringyMetaData
.put(MetaData.FILE_DIRECTORY_LATEX + '-' + user, Collections.singletonList(path.toString().trim())));
metaData.getVersionDBStructure().ifPresent(
VersionDBStructure -> stringyMetaData.put(MetaData.VERSION_DB_STRUCT, Collections.singletonList(VersionDBStructure.trim())));
versionDBStructure -> stringyMetaData.put(MetaData.VERSION_DB_STRUCT, Collections.singletonList(versionDBStructure.trim())));

for (ContentSelector selector : metaData.getContentSelectorList()) {
stringyMetaData.put(MetaData.SELECTOR_META_PREFIX + selector.getField().getName(), selector.getValues());
Expand All @@ -67,10 +75,10 @@ public static Map<String, String> getSerializedStringMap(MetaData metaData,
// finally add all unknown meta data items to the serialization map
Map<String, List<String>> unknownMetaData = metaData.getUnknownMetaData();
for (Map.Entry<String, List<String>> entry : unknownMetaData.entrySet()) {
StringBuilder value = new StringBuilder();
value.append(OS.NEWLINE);
// The last "MetaData.SEPARATOR_STRING" adds compatibility to JabRef v5.9 and earlier
StringJoiner value = new StringJoiner(MetaData.SEPARATOR_STRING + OS.NEWLINE, OS.NEWLINE, MetaData.SEPARATOR_STRING + OS.NEWLINE);
for (String line : entry.getValue()) {
value.append(line.replaceAll(";", "\\\\;") + MetaData.SEPARATOR_STRING + OS.NEWLINE);
value.add(line.replace(MetaData.SEPARATOR_STRING, "\\" + MetaData.SEPARATOR_STRING));
}
serializedMetaData.put(entry.getKey(), value.toString());
}
Expand All @@ -81,25 +89,33 @@ public static Map<String, String> getSerializedStringMap(MetaData metaData,
private static Map<String, String> serializeMetaData(Map<String, List<String>> stringyMetaData) {
Map<String, String> serializedMetaData = new TreeMap<>();
for (Map.Entry<String, List<String>> metaItem : stringyMetaData.entrySet()) {
StringBuilder stringBuilder = new StringBuilder();
for (String dataItem : metaItem.getValue()) {
if (!metaItem.getKey().equals(MetaData.VERSION_DB_STRUCT)) {
stringBuilder.append(StringUtil.quote(dataItem, MetaData.SEPARATOR_STRING, MetaData.ESCAPE_CHARACTER)).append(MetaData.SEPARATOR_STRING);
List<String> itemList = metaItem.getValue();
if (itemList.isEmpty()) {
// Only add non-empty values
continue;
}

boolean isSaveActions = metaItem.getKey().equals(MetaData.SAVE_ACTIONS);
// The last "MetaData.SEPARATOR_STRING" adds compatibility to JabRef v5.9 and earlier
StringJoiner joiner = new StringJoiner(MetaData.SEPARATOR_STRING, "", MetaData.SEPARATOR_STRING);
boolean lastWasSaveActionsEnablement = false;
for (String dataItem : itemList) {
String string;
if (lastWasSaveActionsEnablement) {
string = OS.NEWLINE;
} else {
stringBuilder.append(StringUtil.quote(dataItem, MetaData.SEPARATOR_STRING, MetaData.ESCAPE_CHARACTER));
string = "";
}

string += StringUtil.quote(dataItem, MetaData.SEPARATOR_STRING, MetaData.ESCAPE_CHARACTER);
// in case of save actions, add an additional newline after the enabled flag
if (metaItem.getKey().equals(MetaData.SAVE_ACTIONS)
lastWasSaveActionsEnablement = isSaveActions
&& (FieldFormatterCleanups.ENABLED.equals(dataItem)
|| FieldFormatterCleanups.DISABLED.equals(dataItem))) {
stringBuilder.append(OS.NEWLINE);
}
|| FieldFormatterCleanups.DISABLED.equals(dataItem));
joiner.add(string);
}

String serializedItem = stringBuilder.toString();
// Only add non-empty values
if (!serializedItem.isEmpty() && !MetaData.SEPARATOR_STRING.equals(serializedItem)) {
String serializedItem = joiner.toString();
if (!serializedItem.isEmpty()) {
// Only add non-empty values
serializedMetaData.put(metaItem.getKey(), serializedItem);
}
}
Expand Down
1 change: 0 additions & 1 deletion src/main/java/org/jabref/logic/importer/fileformat/BibtexParser.java
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Expand Up @@ -92,7 +92,6 @@ public BibtexParser(ImportFormatPreferences importFormatPreferences, FileUpdateM
* It is undetermined which entry is returned, so use this in case you know there is only one entry in the string.
*
* @return An Optional&lt;BibEntry>. Optional.empty() if non was found or an error occurred.
* @throws ParseException
*/
public static Optional<BibEntry> singleFromString(String bibtexString, ImportFormatPreferences importFormatPreferences, FileUpdateMonitor fileMonitor) throws ParseException {
Collection<BibEntry> entries = new BibtexParser(importFormatPreferences, fileMonitor).parseEntries(bibtexString);
Expand Down
72 changes: 54 additions & 18 deletions src/main/java/org/jabref/logic/importer/util/MetaDataParser.java
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Expand Up @@ -11,6 +11,7 @@
import java.util.List;
import java.util.Map;
import java.util.Optional;
import java.util.regex.Pattern;

import org.jabref.logic.cleanup.FieldFormatterCleanups;
import org.jabref.logic.importer.ParseException;
Expand All @@ -29,6 +30,9 @@
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

/**
* Writing is done at {@link org.jabref.logic.exporter.MetaDataSerializer}.
*/
public class MetaDataParser {

private static final Logger LOGGER = LoggerFactory.getLogger(MetaDataParser.class);
Expand Down Expand Up @@ -81,46 +85,46 @@ public MetaData parse(MetaData metaData, Map<String, String> data, Character key
entryList.sort(groupsLast());

for (Map.Entry<String, String> entry : entryList) {
List<String> value = getAsList(entry.getValue());
List<String> values = getAsList(entry.getValue());

if (entry.getKey().startsWith(MetaData.PREFIX_KEYPATTERN)) {
EntryType entryType = EntryTypeFactory.parse(entry.getKey().substring(MetaData.PREFIX_KEYPATTERN.length()));
nonDefaultCiteKeyPatterns.put(entryType, Collections.singletonList(getSingleItem(value)));
} else if (entry.getKey().startsWith(MetaData.FILE_DIRECTORY + '-')) {
// The user name starts directly after FILE_DIRECTORY + '-'
String user = entry.getKey().substring(MetaData.FILE_DIRECTORY.length() + 1);
metaData.setUserFileDirectory(user, getSingleItem(value));
nonDefaultCiteKeyPatterns.put(entryType, Collections.singletonList(getSingleItem(values)));
} else if (entry.getKey().startsWith(MetaData.SELECTOR_META_PREFIX)) {
// edge case, it might be one special field e.g. article from biblatex-apa, but we can't distinguish this from any other field and rather prefer to handle it as UnknownField
metaData.addContentSelector(ContentSelectors.parse(FieldFactory.parseField(entry.getKey().substring(MetaData.SELECTOR_META_PREFIX.length())), StringUtil.unquote(entry.getValue(), MetaData.ESCAPE_CHARACTER)));
} else if (entry.getKey().equals(MetaData.FILE_DIRECTORY)) {
metaData.setDefaultFileDirectory(parseDirectory(entry.getValue()));
} else if (entry.getKey().startsWith(MetaData.FILE_DIRECTORY + '-')) {
// The user name starts directly after FILE_DIRECTORY + '-'
String user = entry.getKey().substring(MetaData.FILE_DIRECTORY.length() + 1);
metaData.setUserFileDirectory(user, parseDirectory(entry.getValue()));
} else if (entry.getKey().startsWith(MetaData.FILE_DIRECTORY_LATEX)) {
// The user name starts directly after FILE_DIRECTORY_LATEX" + '-'
String user = entry.getKey().substring(MetaData.FILE_DIRECTORY_LATEX.length() + 1);
Path path = Path.of(getSingleItem(value)).normalize();
Path path = Path.of(parseDirectory(entry.getValue())).normalize();
metaData.setLatexFileDirectory(user, path);
} else if (entry.getKey().equals(MetaData.SAVE_ACTIONS)) {
metaData.setSaveActions(FieldFormatterCleanups.parse(value));
metaData.setSaveActions(FieldFormatterCleanups.parse(values));
} else if (entry.getKey().equals(MetaData.DATABASE_TYPE)) {
metaData.setMode(BibDatabaseMode.parse(getSingleItem(value)));
metaData.setMode(BibDatabaseMode.parse(getSingleItem(values)));
} else if (entry.getKey().equals(MetaData.KEYPATTERNDEFAULT)) {
defaultCiteKeyPattern = Collections.singletonList(getSingleItem(value));
defaultCiteKeyPattern = Collections.singletonList(getSingleItem(values));
} else if (entry.getKey().equals(MetaData.PROTECTED_FLAG_META)) {
if (Boolean.parseBoolean(getSingleItem(value))) {
if (Boolean.parseBoolean(getSingleItem(values))) {
metaData.markAsProtected();
} else {
metaData.markAsNotProtected();
}
} else if (entry.getKey().equals(MetaData.FILE_DIRECTORY)) {
metaData.setDefaultFileDirectory(getSingleItem(value));
} else if (entry.getKey().equals(MetaData.SAVE_ORDER_CONFIG)) {
metaData.setSaveOrderConfig(SaveOrder.parse(value));
metaData.setSaveOrderConfig(SaveOrder.parse(values));
} else if (entry.getKey().equals(MetaData.GROUPSTREE) || entry.getKey().equals(MetaData.GROUPSTREE_LEGACY)) {
metaData.setGroups(GroupsParser.importGroups(value, keywordSeparator, fileMonitor, metaData));
metaData.setGroups(GroupsParser.importGroups(values, keywordSeparator, fileMonitor, metaData));
} else if (entry.getKey().equals(MetaData.VERSION_DB_STRUCT)) {
metaData.setVersionDBStructure(getSingleItem(value));
metaData.setVersionDBStructure(getSingleItem(values));
} else {
// Keep meta data items that we do not know in the file
metaData.putUnknownMetaDataItem(entry.getKey(), value);
metaData.putUnknownMetaDataItem(entry.getKey(), values);
}
}

Expand All @@ -131,6 +135,31 @@ public MetaData parse(MetaData metaData, Map<String, String> data, Character key
return metaData;
}

/**
* Parse the content of the value as provided by "raw" content.
*
* We do not use unescaped value (created by @link{#getAsList(java.lang.String)}),
* because this leads to difficulties with UNC names.
*
* No normalization is done - the general file directory could be passed as Mac OS X path, but the user could sit on Windows.
*
* @param value the raw value (as stored in the .bib file)
*/
static String parseDirectory(String value) {
value = StringUtil.removeStringAtTheEnd(value, MetaData.SEPARATOR_STRING);
Pattern SINGLE_BACKSLASH = Pattern.compile("[^\\\\]\\\\[^\\\\]");
if (value.contains("\\\\\\\\")) {
// This is an escaped Windows UNC path
return value.replace("\\\\", "\\");
} else if (value.contains("\\\\") && !SINGLE_BACKSLASH.matcher(value).find()) {
// All backslashes escaped
return value.replace("\\\\", "\\");
} else {
// No backslash escaping
return value;
}
}

private static Comparator<? super Map.Entry<String, String>> groupsLast() {
return (s1, s2) -> MetaData.GROUPSTREE.equals(s1.getKey()) || MetaData.GROUPSTREE_LEGACY.equals(s1.getKey()) ? 1 :
MetaData.GROUPSTREE.equals(s2.getKey()) || MetaData.GROUPSTREE_LEGACY.equals(s2.getKey()) ? -1 : 0;
Expand Down Expand Up @@ -174,7 +203,14 @@ private static Optional<String> getNextUnit(Reader reader) throws IOException {
StringBuilder res = new StringBuilder();
while ((c = reader.read()) != -1) {
if (escape) {
res.append((char) c);
// at org.jabref.logic.exporter.MetaDataSerializer.serializeMetaData, only MetaData.SEPARATOR_CHARACTER, MetaData.ESCAPE_CHARACTER are quoted
// That means ; and \\
char character = (char) c;
if (character != MetaData.SEPARATOR_CHARACTER && character != MetaData.ESCAPE_CHARACTER) {
// Keep the escape character
res.append("\\");
}
res.append(character);
escape = false;
} else if (c == MetaData.ESCAPE_CHARACTER) {
escape = true;
Expand Down
12 changes: 6 additions & 6 deletions src/main/java/org/jabref/model/metadata/MetaData.java
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Expand Up @@ -72,7 +72,7 @@ public class MetaData {
private final Map<String, List<String>> unknownMetaData = new HashMap<>();
private boolean isEventPropagationEnabled = true;
private boolean encodingExplicitlySupplied;
private String VersionDBStructure;
private String versionDBStructure;

/**
* Constructs an empty metadata.
Expand Down Expand Up @@ -214,11 +214,11 @@ public void setDefaultFileDirectory(String path) {
}

public Optional<String> getVersionDBStructure() {
return Optional.ofNullable(VersionDBStructure);
return Optional.ofNullable(versionDBStructure);
}

public void setVersionDBStructure(String version) {
VersionDBStructure = Objects.requireNonNull(version).trim();
versionDBStructure = Objects.requireNonNull(version).trim();
postChange();
}

Expand Down Expand Up @@ -384,17 +384,17 @@ public boolean equals(Object o) {
&& (mode == metaData.mode)
&& Objects.equals(defaultFileDirectory, metaData.defaultFileDirectory)
&& Objects.equals(contentSelectors, metaData.contentSelectors)
&& Objects.equals(VersionDBStructure, metaData.VersionDBStructure);
&& Objects.equals(versionDBStructure, metaData.versionDBStructure);
}

@Override
public int hashCode() {
return Objects.hash(isProtected, groupsRoot.getValue(), encoding, encodingExplicitlySupplied, saveOrder, citeKeyPatterns, userFileDirectory,
laTexFileDirectory, defaultCiteKeyPattern, saveActions, mode, defaultFileDirectory, contentSelectors, VersionDBStructure);
laTexFileDirectory, defaultCiteKeyPattern, saveActions, mode, defaultFileDirectory, contentSelectors, versionDBStructure);
}

@Override
public String toString() {
return "MetaData [citeKeyPatterns=" + citeKeyPatterns + ", userFileDirectory=" + userFileDirectory + ", laTexFileDirectory=" + laTexFileDirectory + ", groupsRoot=" + groupsRoot + ", encoding=" + encoding + ", saveOrderConfig=" + saveOrder + ", defaultCiteKeyPattern=" + defaultCiteKeyPattern + ", saveActions=" + saveActions + ", mode=" + mode + ", isProtected=" + isProtected + ", defaultFileDirectory=" + defaultFileDirectory + ", contentSelectors=" + contentSelectors + ", encodingExplicitlySupplied=" + encodingExplicitlySupplied + ", VersionDBStructure=" + VersionDBStructure + "]";
return "MetaData [citeKeyPatterns=" + citeKeyPatterns + ", userFileDirectory=" + userFileDirectory + ", laTexFileDirectory=" + laTexFileDirectory + ", groupsRoot=" + groupsRoot + ", encoding=" + encoding + ", saveOrderConfig=" + saveOrder + ", defaultCiteKeyPattern=" + defaultCiteKeyPattern + ", saveActions=" + saveActions + ", mode=" + mode + ", isProtected=" + isProtected + ", defaultFileDirectory=" + defaultFileDirectory + ", contentSelectors=" + contentSelectors + ", encodingExplicitlySupplied=" + encodingExplicitlySupplied + ", VersionDBStructure=" + versionDBStructure + "]";
}
}
34 changes: 29 additions & 5 deletions src/test/java/org/jabref/logic/importer/fileformat/BibtexParserTest.java
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Expand Up @@ -60,6 +60,8 @@
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.junit.jupiter.api.function.Executable;
import org.junit.jupiter.params.ParameterizedTest;
import org.junit.jupiter.params.provider.CsvSource;
import org.mockito.Answers;

import static org.junit.jupiter.api.Assertions.assertEquals;
Expand Down Expand Up @@ -129,11 +131,10 @@ void singleFromStringRecognizesEntry() throws ParseException {
""",
importFormatPreferences, fileMonitor);

BibEntry expected = new BibEntry();
expected.setType(StandardEntryType.Article);
expected.setCitationKey("canh05");
expected.setField(StandardField.AUTHOR, "Crowston, K. and Annabi, H.");
expected.setField(StandardField.TITLE, "Title A");
BibEntry expected = new BibEntry(StandardEntryType.Article)
.withCitationKey("canh05")
.withField(StandardField.AUTHOR, "Crowston, K. and Annabi, H.")
.withField(StandardField.TITLE, "Title A");

assertEquals(Optional.of(expected), parsed);
}
Expand Down Expand Up @@ -1655,6 +1656,29 @@ void integrationTestFileDirectories() throws IOException {
assertEquals("D:\\Latex", result.getMetaData().getLatexFileDirectory("defaultOwner-user").get().toString());
}

@ParameterizedTest
@CsvSource({
// single backslash kept
"C:\\temp\\test",
"\\\\servername\\path\\to\\file",
"//servername/path/to/file",
"."})
void fileDirectoriesUnmodified(String directory) throws IOException {
ParserResult result = parser.parse(
new StringReader("@comment{jabref-meta: fileDirectory:" + directory + "}"));
assertEquals(directory, result.getMetaData().getDefaultFileDirectory().get());
}

@ParameterizedTest
@CsvSource({
"C:\\temp\\test, C:\\\\temp\\\\test",
"\\\\servername\\path\\to\\file, \\\\\\\\servername\\\\path\\\\to\\\\file"})
void fileDirectoryWithDoubleEscapeIsRead(String expected, String provided) throws IOException {
ParserResult result = parser.parse(
new StringReader("@comment{jabref-meta: fileDirectory: " + provided + "}"));
assertEquals(expected, result.getMetaData().getDefaultFileDirectory().get());
}

@Test
void parseReturnsEntriesInSameOrder() throws IOException {
List<BibEntry> expected = new ArrayList<>();
Expand Down
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