--- a/src/jdk.internal.le/share/classes/jdk/internal/jline/console/ConsoleKeys.java Thu Sep 13 01:49:48 2018 +0200
+++ /dev/null Thu Jan 01 00:00:00 1970 +0000
@@ -1,387 +0,0 @@
-/*
- * Copyright (c) 2002-2016, the original author or authors.
- *
- * This software is distributable under the BSD license. See the terms of the
- * BSD license in the documentation provided with this software.
- *
- * http://www.opensource.org/licenses/bsd-license.php
- */
-package jdk.internal.jline.console;
-
-import java.io.BufferedReader;
-import java.io.File;
-import java.io.IOException;
-import java.io.InputStream;
-import java.net.URL;
-import java.util.ArrayList;
-import java.util.HashMap;
-import java.util.List;
-import java.util.Map;
-
-import jdk.internal.jline.internal.Log;
-
-/**
- * @author St\u00E5le W. Pedersen <stale.pedersen@jboss.org>
- */
-public class ConsoleKeys {
-
- private KeyMap keys;
-
- private Map<String, KeyMap> keyMaps;
- private Map<String, String> variables = new HashMap<String,String>();
-
- public ConsoleKeys(String appName, URL inputrcUrl) {
- keyMaps = KeyMap.keyMaps();
- setVar("editing-mode", "emacs");
- loadKeys(appName, inputrcUrl);
- String editingMode = variables.get("editing-mode");
- if ("vi".equalsIgnoreCase(editingMode)) {
- keys = keyMaps.get(KeyMap.VI_INSERT);
- } else if ("emacs".equalsIgnoreCase(editingMode)) {
- keys = keyMaps.get(KeyMap.EMACS);
- }
- }
-
- protected boolean setKeyMap (String name) {
- KeyMap map = keyMaps.get(name);
- if (map == null) {
- return false;
- }
- this.keys = map;
- return true;
- }
-
- protected Map<String, KeyMap> getKeyMaps() {
- return keyMaps;
- }
-
- protected KeyMap getKeys() {
- return keys;
- }
-
- protected void setKeys(KeyMap keys) {
- this.keys = keys;
- }
-
- protected void loadKeys(String appName, URL inputrcUrl) {
- keys = keyMaps.get(KeyMap.EMACS);
-
- try {
- InputStream input = inputrcUrl.openStream();
- try {
- loadKeys(input, appName);
- Log.debug("Loaded user configuration: ", inputrcUrl);
- }
- finally {
- try {
- input.close();
- } catch (IOException e) {
- // Ignore
- }
- }
- }
- catch (IOException e) {
- if (inputrcUrl.getProtocol().equals("file")) {
- File file = new File(inputrcUrl.getPath());
- if (file.exists()) {
- Log.warn("Unable to read user configuration: ", inputrcUrl, e);
- }
- } else {
- Log.warn("Unable to read user configuration: ", inputrcUrl, e);
- }
- }
- }
-
- private void loadKeys(InputStream input, String appName) throws IOException {
- BufferedReader reader = new BufferedReader( new java.io.InputStreamReader( input ) );
- String line;
- boolean parsing = true;
- List<Boolean> ifsStack = new ArrayList<Boolean>();
- while ( (line = reader.readLine()) != null ) {
- try {
- line = line.trim();
- if (line.length() == 0) {
- continue;
- }
- if (line.charAt(0) == '#') {
- continue;
- }
- int i = 0;
- if (line.charAt(i) == '$') {
- String cmd;
- String args;
- for (++i; i < line.length() && (line.charAt(i) == ' ' || line.charAt(i) == '\t'); i++);
- int s = i;
- for (; i < line.length() && (line.charAt(i) != ' ' && line.charAt(i) != '\t'); i++);
- cmd = line.substring(s, i);
- for (; i < line.length() && (line.charAt(i) == ' ' || line.charAt(i) == '\t'); i++);
- s = i;
- for (; i < line.length() && (line.charAt(i) != ' ' && line.charAt(i) != '\t'); i++);
- args = line.substring(s, i);
- if ("if".equalsIgnoreCase(cmd)) {
- ifsStack.add( parsing );
- if (!parsing) {
- continue;
- }
- if (args.startsWith("term=")) {
- // TODO
- } else if (args.startsWith("mode=")) {
- String mode = variables.get("editing-mode");
- parsing = args.substring("mode=".length()).equalsIgnoreCase(mode);
- } else {
- parsing = args.equalsIgnoreCase(appName);
- }
- } else if ("else".equalsIgnoreCase(cmd)) {
- if (ifsStack.isEmpty()) {
- throw new IllegalArgumentException("$else found without matching $if");
- }
- boolean invert = true;
- for (boolean b : ifsStack) {
- if (!b) {
- invert = false;
- break;
- }
- }
- if (invert) {
- parsing = !parsing;
- }
- } else if ("endif".equalsIgnoreCase(cmd)) {
- if (ifsStack.isEmpty()) {
- throw new IllegalArgumentException("endif found without matching $if");
- }
- parsing = ifsStack.remove( ifsStack.size() - 1 );
- } else if ("include".equalsIgnoreCase(cmd)) {
- // TODO
- }
- continue;
- }
- if (!parsing) {
- continue;
- }
- boolean equivalency;
- String keySeq = "";
- if (line.charAt(i++) == '"') {
- boolean esc = false;
- for (;; i++) {
- if (i >= line.length()) {
- throw new IllegalArgumentException("Missing closing quote on line '" + line + "'");
- }
- if (esc) {
- esc = false;
- } else if (line.charAt(i) == '\\') {
- esc = true;
- } else if (line.charAt(i) == '"') {
- break;
- }
- }
- }
- for (; i < line.length() && line.charAt(i) != ':'
- && line.charAt(i) != ' ' && line.charAt(i) != '\t'
- ; i++);
- keySeq = line.substring(0, i);
- equivalency = i + 1 < line.length() && line.charAt(i) == ':' && line.charAt(i + 1) == '=';
- i++;
- if (equivalency) {
- i++;
- }
- if (keySeq.equalsIgnoreCase("set")) {
- String key;
- String val;
- for (; i < line.length() && (line.charAt(i) == ' ' || line.charAt(i) == '\t'); i++);
- int s = i;
- for (; i < line.length() && (line.charAt(i) != ' ' && line.charAt(i) != '\t'); i++);
- key = line.substring( s, i );
- for (; i < line.length() && (line.charAt(i) == ' ' || line.charAt(i) == '\t'); i++);
- s = i;
- for (; i < line.length() && (line.charAt(i) != ' ' && line.charAt(i) != '\t'); i++);
- val = line.substring( s, i );
- setVar( key, val );
- } else {
- for (; i < line.length() && (line.charAt(i) == ' ' || line.charAt(i) == '\t'); i++);
- int start = i;
- if (i < line.length() && (line.charAt(i) == '\'' || line.charAt(i) == '\"')) {
- char delim = line.charAt(i++);
- boolean esc = false;
- for (;; i++) {
- if (i >= line.length()) {
- break;
- }
- if (esc) {
- esc = false;
- } else if (line.charAt(i) == '\\') {
- esc = true;
- } else if (line.charAt(i) == delim) {
- break;
- }
- }
- }
- for (; i < line.length() && line.charAt(i) != ' ' && line.charAt(i) != '\t'; i++);
- String val = line.substring(Math.min(start, line.length()), Math.min(i, line.length()));
- if (keySeq.charAt(0) == '"') {
- keySeq = translateQuoted(keySeq);
- } else {
- // Bind key name
- String keyName = keySeq.lastIndexOf('-') > 0 ? keySeq.substring( keySeq.lastIndexOf('-') + 1 ) : keySeq;
- char key = getKeyFromName(keyName);
- keyName = keySeq.toLowerCase();
- keySeq = "";
- if (keyName.contains("meta-") || keyName.contains("m-")) {
- keySeq += "\u001b";
- }
- if (keyName.contains("control-") || keyName.contains("c-") || keyName.contains("ctrl-")) {
- key = (char)(Character.toUpperCase( key ) & 0x1f);
- }
- keySeq += key;
- }
- if (val.length() > 0 && (val.charAt(0) == '\'' || val.charAt(0) == '\"')) {
- keys.bind( keySeq, translateQuoted(val) );
- } else {
- String operationName = val.replace('-', '_').toUpperCase();
- try {
- keys.bind(keySeq, Operation.valueOf(operationName));
- } catch(IllegalArgumentException e) {
- Log.info("Unable to bind key for unsupported operation: ", val);
- }
- }
- }
- } catch (IllegalArgumentException e) {
- Log.warn("Unable to parse user configuration: ", e);
- }
- }
- }
-
- private static String translateQuoted(String keySeq) {
- int i;
- String str = keySeq.substring( 1, keySeq.length() - 1 );
- keySeq = "";
- for (i = 0; i < str.length(); i++) {
- char c = str.charAt(i);
- if (c == '\\') {
- boolean ctrl = str.regionMatches(i, "\\C-", 0, 3)|| str.regionMatches(i, "\\M-\\C-", 0, 6);
- boolean meta = str.regionMatches(i, "\\M-", 0, 3)|| str.regionMatches(i, "\\C-\\M-", 0, 6);
- i += (meta ? 3 : 0) + (ctrl ? 3 : 0) + (!meta && !ctrl ? 1 : 0);
- if (i >= str.length()) {
- break;
- }
- c = str.charAt(i);
- if (meta) {
- keySeq += "\u001b";
- }
- if (ctrl) {
- c = c == '?' ? 0x7f : (char)(Character.toUpperCase( c ) & 0x1f);
- }
- if (!meta && !ctrl) {
- switch (c) {
- case 'a': c = 0x07; break;
- case 'b': c = '\b'; break;
- case 'd': c = 0x7f; break;
- case 'e': c = 0x1b; break;
- case 'f': c = '\f'; break;
- case 'n': c = '\n'; break;
- case 'r': c = '\r'; break;
- case 't': c = '\t'; break;
- case 'v': c = 0x0b; break;
- case '\\': c = '\\'; break;
- case '0': case '1': case '2': case '3':
- case '4': case '5': case '6': case '7':
- c = 0;
- for (int j = 0; j < 3; j++, i++) {
- if (i >= str.length()) {
- break;
- }
- int k = Character.digit(str.charAt(i), 8);
- if (k < 0) {
- break;
- }
- c = (char)(c * 8 + k);
- }
- c &= 0xFF;
- break;
- case 'x':
- i++;
- c = 0;
- for (int j = 0; j < 2; j++, i++) {
- if (i >= str.length()) {
- break;
- }
- int k = Character.digit(str.charAt(i), 16);
- if (k < 0) {
- break;
- }
- c = (char)(c * 16 + k);
- }
- c &= 0xFF;
- break;
- case 'u':
- i++;
- c = 0;
- for (int j = 0; j < 4; j++, i++) {
- if (i >= str.length()) {
- break;
- }
- int k = Character.digit(str.charAt(i), 16);
- if (k < 0) {
- break;
- }
- c = (char)(c * 16 + k);
- }
- break;
- }
- }
- keySeq += c;
- } else {
- keySeq += c;
- }
- }
- return keySeq;
- }
-
- private static char getKeyFromName(String name) {
- if ("DEL".equalsIgnoreCase(name) || "Rubout".equalsIgnoreCase(name)) {
- return 0x7f;
- } else if ("ESC".equalsIgnoreCase(name) || "Escape".equalsIgnoreCase(name)) {
- return '\033';
- } else if ("LFD".equalsIgnoreCase(name) || "NewLine".equalsIgnoreCase(name)) {
- return '\n';
- } else if ("RET".equalsIgnoreCase(name) || "Return".equalsIgnoreCase(name)) {
- return '\r';
- } else if ("SPC".equalsIgnoreCase(name) || "Space".equalsIgnoreCase(name)) {
- return ' ';
- } else if ("Tab".equalsIgnoreCase(name)) {
- return '\t';
- } else {
- return name.charAt(0);
- }
- }
-
- private void setVar(String key, String val) {
- if ("keymap".equalsIgnoreCase(key)) {
- if (keyMaps.containsKey(val)) {
- keys = keyMaps.get(val);
- }
- } else if ("blink-matching-paren".equals(key)) {
- if ("on".equalsIgnoreCase(val)) {
- keys.setBlinkMatchingParen(true);
- } else if ("off".equalsIgnoreCase(val)) {
- keys.setBlinkMatchingParen(false);
- }
- }
-
- /*
- * Technically variables should be defined as a functor class
- * so that validation on the variable value can be done at parse
- * time. This is a stop-gap.
- */
- variables.put(key, val);
- }
-
- /**
- * Retrieves the value of a variable that was set in the .inputrc file
- * during processing
- * @param var The variable name
- * @return The variable value.
- */
- public String getVariable(String var) {
- return variables.get (var);
- }
-}