[JGIT PATCH 1/3] Extracted functionality independent from .git/config from RepositoryConfig
Show changes to 3 files +1143 −929
org.spearce.jgit/src/org/spearce/jgit/lib/Config.java, org.spearce.jgit/src/org/spearce/jgit/lib/FileBasedConfig.java, org.spearce.jgit/src/org/spearce/jgit/lib/RepositoryConfig.java
diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/Config.java b/org.spearce.jgit/src/org/spearce/jgit/lib/Config.java
new file mode 100644
index 0000000..62daef3
--- /dev/null
+++ b/org.spearce.jgit/src/org/spearce/jgit/lib/Config.java
@@ -0,0 +1,1013 @@
+/*
+ * Copyright (C) 2007, Dave Watson <dwatson@mimvista.com>
+ * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
+ * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
+ * Copyright (C) 2008, Thad Hughes <thadh@thad.corp.google.com>
+ * Copyright (C) 2009, JetBrains s.r.o.
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * - Neither the name of the Git Development Community nor the
+ * names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.spearce.jgit.lib;
+
+import java.io.BufferedReader;
+import java.io.FileNotFoundException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.InputStreamReader;
+import java.io.PrintWriter;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.HashMap;
+import java.util.HashSet;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.Set;
+
+/**
+ * The configuration file stored in the format similar to the ".git/config"
+ * file.
+ */
+public abstract class Config {
+
+ private boolean readFile;
+
+ private List<Entry> entries;
+
+ final Config baseConfig;
+
+ /**
+ * Map from name to values
+ */
+ private Map<String, Object> byName;
+
+ /**
+ * Magic value indicating a missing entry
+ */
+ private static final String MAGIC_EMPTY_VALUE = "%%magic%%empty%%";
+
+ /**
+ * The constructor for configuration file
+ *
+ * @param base
+ * the base configuration file to be consulted when value is
+ * missing from this file
+ */
+ public Config(Config base) {
+ baseConfig = base;
+ }
+
+ /**
+ * Set file read indicator
+ *
+ * @param ok
+ * true if file does not need loading
+ */
+ protected void setFileRead(boolean ok) {
+ readFile = ok;
+ }
+
+ /**
+ * Escape the value before saving
+ *
+ * @param x
+ * the value to escape
+ * @return the escaped value
+ */
+ protected static String escapeValue(final String x) {
+ boolean inquote = false;
+ int lineStart = 0;
+ final StringBuffer r = new StringBuffer(x.length());
+ for (int k = 0; k < x.length(); k++) {
+ final char c = x.charAt(k);
+ switch (c) {
+ case '\n':
+ if (inquote) {
+ r.append('"');
+ inquote = false;
+ }
+ r.append("\\n\\\n");
+ lineStart = r.length();
+ break;
+
+ case '\t':
+ r.append("\\t");
+ break;
+
+ case '\b':
+ r.append("\\b");
+ break;
+
+ case '\\':
+ r.append("\\\\");
+ break;
+
+ case '"':
+ r.append("\\\"");
+ break;
+
+ case ';':
+ case '#':
+ if (!inquote) {
+ r.insert(lineStart, '"');
+ inquote = true;
+ }
+ r.append(c);
+ break;
+
+ case ' ':
+ if (!inquote && r.length() > 0
+ && r.charAt(r.length() - 1) == ' ') {
+ r.insert(lineStart, '"');
+ inquote = true;
+ }
+ r.append(' ');
+ break;
+
+ default:
+ r.append(c);
+ break;
+ }
+ }
+ if (inquote) {
+ r.append('"');
+ }
+ return r.toString();
+ }
+
+ /**
+ * Obtain an integer value from the configuration.
+ *
+ * @param section
+ * section the key is grouped within.
+ * @param name
+ * name of the key to get.
+ * @param defaultValue
+ * default value to return if no value was present.
+ * @return an integer value from the configuration, or defaultValue.
+ */
+ public int getInt(final String section, final String name,
+ final int defaultValue) {
+ return getInt(section, null, name, defaultValue);
+ }
+
+ /**
+ * Obtain an integer value from the configuration.
+ *
+ * @param section
+ * section the key is grouped within.
+ * @param subsection
+ * subsection name, such a remote or branch name.
+ * @param name
+ * name of the key to get.
+ * @param defaultValue
+ * default value to return if no value was present.
+ * @return an integer value from the configuration, or defaultValue.
+ */
+ public int getInt(final String section, String subsection,
+ final String name, final int defaultValue) {
+ final long val = getLong(section, subsection, name, defaultValue);
+ if (Integer.MIN_VALUE <= val && val <= Integer.MAX_VALUE)
+ return (int) val;
+ throw new IllegalArgumentException("Integer value " + section + "."
+ + name + " out of range");
+ }
+
+ /**
+ * Obtain an integer value from the configuration.
+ *
+ * @param section
+ * section the key is grouped within.
+ * @param subsection
+ * subsection name, such a remote or branch name.
+ * @param name
+ * name of the key to get.
+ * @param defaultValue
+ * default value to return if no value was present.
+ * @return an integer value from the configuration, or defaultValue.
+ */
+ public long getLong(final String section, String subsection,
+ final String name, final long defaultValue) {
+ final String str = getString(section, subsection, name);
+ if (str == null)
+ return defaultValue;
+
+ String n = str.trim();
+ if (n.length() == 0)
+ return defaultValue;
+
+ long mul = 1;
+ switch (Character.toLowerCase(n.charAt(n.length() - 1))) {
+ case 'g':
+ mul = 1024 * 1024 * 1024;
+ break;
+ case 'm':
+ mul = 1024 * 1024;
+ break;
+ case 'k':
+ mul = 1024;
+ break;
+ }
+ if (mul > 1)
+ n = n.substring(0, n.length() - 1).trim();
+ if (n.length() == 0)
+ return defaultValue;
+
+ try {
+ return mul * Long.parseLong(n);
+ } catch (NumberFormatException nfe) {
+ throw new IllegalArgumentException("Invalid integer value: "
+ + section + "." + name + "=" + str);
+ }
+ }
+
+ /**
+ * Get a boolean value from the git config
+ *
+ * @param section
+ * section the key is grouped within.
+ * @param name
+ * name of the key to get.
+ * @param defaultValue
+ * default value to return if no value was present.
+ * @return true if any value or defaultValue is true, false for missing or
+ * explicit false
+ */
+ public boolean getBoolean(final String section, final String name,
+ final boolean defaultValue) {
+ return getBoolean(section, null, name, defaultValue);
+ }
+
+ /**
+ * Get a boolean value from the git config
+ *
+ * @param section
+ * section the key is grouped within.
+ * @param subsection
+ * subsection name, such a remote or branch name.
+ * @param name
+ * name of the key to get.
+ * @param defaultValue
+ * default value to return if no value was present.
+ * @return true if any value or defaultValue is true, false for missing or
+ * explicit false
+ */
+ public boolean getBoolean(final String section, String subsection,
+ final String name, final boolean defaultValue) {
+ String n = getRawString(section, subsection, name);
+ if (n == null)
+ return defaultValue;
+
+ if (MAGIC_EMPTY_VALUE.equals(n) || "yes".equalsIgnoreCase(n)
+ || "true".equalsIgnoreCase(n) || "1".equals(n)
+ || "on".equalsIgnoreCase(n)) {
+ return true;
+
+ } else if ("no".equalsIgnoreCase(n) || "false".equalsIgnoreCase(n)
+ || "0".equals(n) || "off".equalsIgnoreCase(n)) {
+ return false;
+
+ } else {
+ throw new IllegalArgumentException("Invalid boolean value: "
+ + section + "." + name + "=" + n);
+ }
+ }
+
+ /**
+ * Get string value
+ *
+ * @param section
+ * the section
+ * @param subsection
+ * the subsection for the value
+ * @param name
+ * the key name
+ * @return a String value from git config.
+ */
+ public String getString(final String section, String subsection,
+ final String name) {
+ String val = getRawString(section, subsection, name);
+ if (MAGIC_EMPTY_VALUE.equals(val)) {
+ return "";
+ }
+ return val;
+ }
+
+ /**
+ * Get a list of string values
+ *
+ * @param section
+ * the section
+ * @param subsection
+ * the subsection for the value
+ * @param name
+ * the key name
+ * @return array of zero or more values from the configuration.
+ */
+ public String[] getStringList(final String section, String subsection,
+ final String name) {
+ final Object o = getRawEntry(section, subsection, name);
+ if (o instanceof List) {
+ final List lst = (List) o;
+ final String[] r = new String[lst.size()];
+ for (int i = 0; i < r.length; i++) {
+ final String val = ((Entry) lst.get(i)).value;
+ r[i] = MAGIC_EMPTY_VALUE.equals(val) ? "" : val;
+ }
+ return r;
+ }
+
+ if (o instanceof Entry) {
+ final String val = ((Entry) o).value;
+ return new String[] { MAGIC_EMPTY_VALUE.equals(val) ? "" : val };
+ }
+
+ if (baseConfig != null)
+ return baseConfig.getStringList(section, subsection, name);
+ return new String[0];
+ }
+
+ /**
+ * @param section
+ * section to search for.
+ * @return set of all subsections of specified section within this
+ * configuration and its base configuration; may be empty if no
+ * subsection exists.
+ */
+ public Set<String> getSubsections(final String section) {
+ final Set<String> result = new HashSet<String>();
+
+ for (final Entry e : entries) {
+ if (section.equalsIgnoreCase(e.base) && e.extendedBase != null)
+ result.add(e.extendedBase);
+ }
+ if (baseConfig != null)
+ result.addAll(baseConfig.getSubsections(section));
+ return result;
+ }
+
+ /**
+ * Get a list of string values
+ *
+ * @param section
+ * the section
+ * @param subsection
+ * the subsection for the value
+ * @param name
+ * the key name
+ * @return a raw string value as it is stored in configuration file
+ */
+ private String getRawString(final String section, final String subsection,
+ final String name) {
+ final Object o = getRawEntry(section, subsection, name);
+ if (o instanceof List) {
+ return ((Entry) ((List) o).get(0)).value;
+ } else if (o instanceof Entry) {
+ return ((Entry) o).value;
+ } else if (baseConfig != null)
+ return baseConfig.getRawString(section, subsection, name);
+ else
+ return null;
+ }
+
+ private Object getRawEntry(final String section, final String subsection,
+ final String name) {
+ if (!readFile) {
+ try {
+ load();
+ } catch (FileNotFoundException err) {
+ // Oh well. No sense in complaining about it.
+ //
+ } catch (IOException err) {
+ err.printStackTrace();
+ }
+ }
+
+ String ss;
+ if (subsection != null)
+ ss = "." + subsection.toLowerCase();
+ else
+ ss = "";
+ final Object o;
+ o = byName.get(section.toLowerCase() + ss + "." + name.toLowerCase());
+ return o;
+ }
+
+ /**
+ * Add or modify a configuration value. The parameters will result in a
+ * configuration entry like this.
+ *
+ * <pre>
+ * [section "subsection"]
+ * name = value
+ * </pre>
+ *
+ * @param section
+ * section name, e.g "branch"
+ * @param subsection
+ * optional subsection value, e.g. a branch name
+ * @param name
+ * parameter name, e.g. "filemode"
+ * @param value
+ * parameter value
+ */
+ public void setInt(final String section, final String subsection,
+ final String name, final int value) {
+ final String s;
+
+ if ((value % (1024 * 1024 * 1024)) == 0)
+ s = String.valueOf(value / (1024 * 1024 * 1024)) + " g";
+ else if ((value % (1024 * 1024)) == 0)
+ s = String.valueOf(value / (1024 * 1024)) + " m";
+ else if ((value % 1024) == 0)
+ s = String.valueOf(value / 1024) + " k";
+ else
+ s = String.valueOf(value);
+
+ setString(section, subsection, name, s);
+ }
+
+ /**
+ * Add or modify a configuration value. The parameters will result in a
+ * configuration entry like this.
+ *
+ * <pre>
+ * [section "subsection"]
+ * name = value
+ * </pre>
+ *
+ * @param section
+ * section name, e.g "branch"
+ * @param subsection
+ * optional subsection value, e.g. a branch name
+ * @param name
+ * parameter name, e.g. "filemode"
+ * @param value
+ * parameter value
+ */
+ public void setBoolean(final String section, final String subsection,
+ final String name, final boolean value) {
+ setString(section, subsection, name, value ? "true" : "false");
+ }
+
+ /**
+ * Add or modify a configuration value. The parameters will result in a
+ * configuration entry like this.
+ *
+ * <pre>
+ * [section "subsection"]
+ * name = value
+ * </pre>
+ *
+ * @param section
+ * section name, e.g "branch"
+ * @param subsection
+ * optional subsection value, e.g. a branch name
+ * @param name
+ * parameter name, e.g. "filemode"
+ * @param value
+ * parameter value, e.g. "true"
+ */
+ public void setString(final String section, final String subsection,
+ final String name, final String value) {
+ setStringList(section, subsection, name, Collections
+ .singletonList(value));
+ }
+
+ /**
+ * Remove a configuration value.
+ *
+ * @param section
+ * section name, e.g "branch"
+ * @param subsection
+ * optional subsection value, e.g. a branch name
+ * @param name
+ * parameter name, e.g. "filemode"
+ */
+ public void unsetString(final String section, final String subsection,
+ final String name) {
+ setStringList(section, subsection, name, Collections
+ .<String> emptyList());
+ }
+
+ /**
+ * Set a configuration value.
+ *
+ * <pre>
+ * [section "subsection"]
+ * name = value
+ * </pre>
+ *
+ * @param section
+ * section name, e.g "branch"
+ * @param subsection
+ * optional subsection value, e.g. a branch name
+ * @param name
+ * parameter name, e.g. "filemode"
+ * @param values
+ * list of zero or more values for this key.
+ */
+ public void setStringList(final String section, final String subsection,
+ final String name, final List<String> values) {
+ // Update our parsed cache of values for future reference.
+ //
+ String key = section.toLowerCase();
+ if (subsection != null)
+ key += "." + subsection.toLowerCase();
+ key += "." + name.toLowerCase();
+ if (values.size() == 0)
+ byName.remove(key);
+ else if (values.size() == 1) {
+ final Entry e = new Entry();
+ e.base = section;
+ e.extendedBase = subsection;
+ e.name = name;
+ e.value = values.get(0);
+ byName.put(key, e);
+ } else {
+ final ArrayList<Entry> eList = new ArrayList<Entry>(values.size());
+ for (final String v : values) {
+ final Entry e = new Entry();
+ e.base = section;
+ e.extendedBase = subsection;
+ e.name = name;
+ e.value = v;
+ eList.add(e);
+ }
+ byName.put(key, eList);
+ }
+
+ int entryIndex = 0;
+ int valueIndex = 0;
+ int insertPosition = -1;
+
+ // Reset the first n Entry objects that match this input name.
+ //
+ while (entryIndex < entries.size() && valueIndex < values.size()) {
+ final Entry e = entries.get(entryIndex++);
+ if (e.match(section, subsection, name)) {
+ e.value = values.get(valueIndex++);
+ insertPosition = entryIndex;
+ }
+ }
+
+ // Remove any extra Entry objects that we no longer need.
+ //
+ if (valueIndex == values.size() && entryIndex < entries.size()) {
+ while (entryIndex < entries.size()) {
+ final Entry e = entries.get(entryIndex++);
+ if (e.match(section, subsection, name))
+ entries.remove(--entryIndex);
+ }
+ }
+
+ // Insert new Entry objects for additional/new values.
+ //
+ if (valueIndex < values.size() && entryIndex == entries.size()) {
+ if (insertPosition < 0) {
+ // We didn't find a matching key above, but maybe there
+ // is already a section available that matches. Insert
+ // after the last key of that section.
+ //
+ insertPosition = findSectionEnd(section, subsection);
+ }
+ if (insertPosition < 0) {
+ // We didn't find any matching section header for this key,
+ // so we must create a new section header at the end.
+ //
+ final Entry e = new Entry();
+ e.prefix = null;
+ e.suffix = null;
+ e.base = section;
+ e.extendedBase = subsection;
+ entries.add(e);
+ insertPosition = entries.size();
+ }
+ while (valueIndex < values.size()) {
+ final Entry e = new Entry();
+ e.prefix = null;
+ e.suffix = null;
+ e.base = section;
+ e.extendedBase = subsection;
+ e.name = name;
+ e.value = values.get(valueIndex++);
+ entries.add(insertPosition++, e);
+ }
+ }
+ }
+
+ private int findSectionEnd(final String section, final String subsection) {
+ for (int i = 0; i < entries.size(); i++) {
+ Entry e = entries.get(i);
+ if (e.match(section, subsection, null)) {
+ i++;
+ while (i < entries.size()) {
+ e = entries.get(i);
+ if (e.match(section, subsection, e.name))
+ i++;
+ else
+ break;
+ }
+ return i;
+ }
+ }
+ return -1;
+ }
+
+ /**
+ * Print configuration file to the PrintWriter
+ *
+ * @param r
+ * the print writer (it must use '\n' as new line separator).
+ */
+ protected void printConfig(final PrintWriter r) {
+ final Iterator<Entry> i = entries.iterator();
+ while (i.hasNext()) {
+ final Entry e = i.next();
+ if (e.prefix != null) {
+ r.print(e.prefix);
+ }
+ if (e.base != null && e.name == null) {
+ r.print('[');
+ r.print(e.base);
+ if (e.extendedBase != null) {
+ r.print(' ');
+ r.print('"');
+ r.print(escapeValue(e.extendedBase));
+ r.print('"');
+ }
+ r.print(']');
+ } else if (e.base != null && e.name != null) {
+ if (e.prefix == null || "".equals(e.prefix)) {
+ r.print('\t');
+ }
+ r.print(e.name);
+ if (e.value != null) {
+ if (!MAGIC_EMPTY_VALUE.equals(e.value)) {
+ r.print(" = ");
+ r.print(escapeValue(e.value));
+ }
+ }
+ if (e.suffix != null) {
+ r.print(' ');
+ }
+ }
+ if (e.suffix != null) {
+ r.print(e.suffix);
+ }
+ r.println();
+ }
+ }
+
+ /**
+ * Read the config file
+ *
+ * @throws IOException in case of IO error
+ */
+ public void load() throws IOException {
+ clear();
+ readFile = true;
+ final BufferedReader r = new BufferedReader(new InputStreamReader(
+ openInputStream(), Constants.CHARSET));
+ try {
+ Entry last = null;
+ Entry e = new Entry();
+ for (;;) {
+ r.mark(1);
+ int input = r.read();
+ final char in = (char) input;
+ if (-1 == input) {
+ break;
+ } else if ('\n' == in) {
+ // End of this entry.
+ add(e);
+ if (e.base != null) {
+ last = e;
+ }
+ e = new Entry();
+ } else if (e.suffix != null) {
+ // Everything up until the end-of-line is in the suffix.
+ e.suffix += in;
+ } else if (';' == in || '#' == in) {
+ // The rest of this line is a comment; put into suffix.
+ e.suffix = String.valueOf(in);
+ } else if (e.base == null && Character.isWhitespace(in)) {
+ // Save the leading whitespace (if any).
+ if (e.prefix == null) {
+ e.prefix = "";
+ }
+ e.prefix += in;
+ } else if ('[' == in) {
+ // This is a group header line.
+ e.base = readBase(r);
+ input = r.read();
+ if ('"' == input) {
+ e.extendedBase = readValue(r, true, '"');
+ input = r.read();
+ }
+ if (']' != input) {
+ throw new IOException("Bad group header.");
+ }
+ e.suffix = "";
+ } else if (last != null) {
+ // Read a value.
+ e.base = last.base;
+ e.extendedBase = last.extendedBase;
+ r.reset();
+ e.name = readName(r);
+ if (e.name.endsWith("\n")) {
+ e.name = e.name.substring(0, e.name.length() - 1);
+ e.value = MAGIC_EMPTY_VALUE;
+ } else
+ e.value = readValue(r, false, -1);
+ } else {
+ throw new IOException("Invalid line in config file.");
+ }
+ }
+ } finally {
+ r.close();
+ }
+ }
+
+ /**
+ * Open input stream for configuration file. It is used during the
+ * {@link #load()} method.
+ *
+ * @return input stream for the configuration file.
+ * @throws IOException
+ * if the stream cannot be created
+ */
+ protected abstract InputStream openInputStream() throws IOException;
+
+ /**
+ * Clear the configuration file
+ */
+ protected void clear() {
+ entries = new ArrayList<Entry>();
+ byName = new HashMap<String, Object>();
+ }
+
+ @SuppressWarnings("unchecked")
+ private void add(final Entry e) {
+ entries.add(e);
+ if (e.base != null) {
+ final String b = e.base.toLowerCase();
+ final String group;
+ if (e.extendedBase != null) {
+ group = b + "." + e.extendedBase;
+ } else {
+ group = b;
+ }
+ if (e.name != null) {
+ final String n = e.name.toLowerCase();
+ final String key = group + "." + n;
+ final Object o = byName.get(key);
+ if (o == null) {
+ byName.put(key, e);
+ } else if (o instanceof Entry) {
+ final ArrayList<Object> l = new ArrayList<Object>();
+ l.add(o);
+ l.add(e);
+ byName.put(key, l);
+ } else if (o instanceof List) {
+ ((List<Entry>) o).add(e);
+ }
+ }
+ }
+ }
+
+ private static String readBase(final BufferedReader r) throws IOException {
+ final StringBuffer base = new StringBuffer();
+ for (;;) {
+ r.mark(1);
+ int c = r.read();
+ if (c < 0) {
+ throw new IOException("Unexpected end of config file.");
+ } else if (']' == c) {
+ r.reset();
+ break;
+ } else if (' ' == c || '\t' == c) {
+ for (;;) {
+ r.mark(1);
+ c = r.read();
+ if (c < 0) {
+ throw new IOException("Unexpected end of config file.");
+ } else if ('"' == c) {
+ r.reset();
+ break;
+ } else if (' ' == c || '\t' == c) {
+ // Skipped...
+ } else {
+ throw new IOException("Bad base entry. : " + base + ","
+ + c);
+ }
+ }
+ break;
+ } else if (Character.isLetterOrDigit((char) c) || '.' == c
+ || '-' == c) {
+ base.append((char) c);
+ } else {
+ throw new IOException("Bad base entry. : " + base + ", " + c);
+ }
+ }
+ return base.toString();
+ }
+
+ private static String readName(final BufferedReader r) throws IOException {
+ final StringBuffer name = new StringBuffer();
+ for (;;) {
+ r.mark(1);
+ int c = r.read();
+ if (c < 0) {
+ throw new IOException("Unexpected end of config file.");
+ } else if ('=' == c) {
+ break;
+ } else if (' ' == c || '\t' == c) {
+ for (;;) {
+ r.mark(1);
+ c = r.read();
+ if (c < 0) {
+ throw new IOException("Unexpected end of config file.");
+ } else if ('=' == c) {
+ break;
+ } else if (';' == c || '#' == c || '\n' == c) {
+ r.reset();
+ break;
+ } else if (' ' == c || '\t' == c) {
+ // Skipped...
+ } else {
+ throw new IOException("Bad entry delimiter.");
+ }
+ }
+ break;
+ } else if (Character.isLetterOrDigit((char) c) || c == '-') {
+ // From the git-config man page:
+ // The variable names are case-insensitive and only
+ // alphanumeric characters and - are allowed.
+ name.append((char) c);
+ } else if ('\n' == c) {
+ r.reset();
+ name.append((char) c);
+ break;
+ } else {
+ throw new IOException("Bad config entry name: " + name
+ + (char) c);
+ }
+ }
+ return name.toString();
+ }
+
+ private static String readValue(final BufferedReader r, boolean quote,
+ final int eol) throws IOException {
+ final StringBuffer value = new StringBuffer();
+ boolean space = false;
+ for (;;) {
+ r.mark(1);
+ int c = r.read();
+ if (c < 0) {
+ if (value.length() == 0)
+ throw new IOException("Unexpected end of config file.");
+ break;
+ }
+ if ('\n' == c) {
+ if (quote) {
+ throw new IOException("Newline in quotes not allowed.");
+ }
+ r.reset();
+ break;
+ }
+ if (eol == c) {
+ break;
+ }
+ if (!quote) {
+ if (Character.isWhitespace((char) c)) {
+ space = true;
+ continue;
+ }
+ if (';' == c || '#' == c) {
+ r.reset();
+ break;
+ }
+ }
+ if (space) {
+ if (value.length() > 0) {
+ value.append(' ');
+ }
+ space = false;
+ }
+ if ('\\' == c) {
+ c = r.read();
+ switch (c) {
+ case -1:
+ throw new IOException("End of file in escape.");
+ case '\n':
+ continue;
+ case 't':
+ value.append('\t');
+ continue;
+ case 'b':
+ value.append('\b');
+ continue;
+ case 'n':
+ value.append('\n');
+ continue;
+ case '\\':
+ value.append('\\');
+ continue;
+ case '"':
+ value.append('"');
+ continue;
+ default:
+ throw new IOException("Bad escape: " + ((char) c));
+ }
+ }
+ if ('"' == c) {
+ quote = !quote;
+ continue;
+ }
+ value.append((char) c);
+ }
+ return value.length() > 0 ? value.toString() : null;
+ }
+
+ /**
+ * The configuration file entry
+ */
+ private static class Entry {
+ /**
+ * The text content before entry
+ */
+ String prefix;
+
+ /**
+ * The section name for the entry
+ */
+ String base;
+
+ /**
+ * Subsection name
+ */
+ String extendedBase;
+
+ /**
+ * The key name
+ */
+ String name;
+
+ /**
+ * The value
+ */
+ String value;
+
+ /**
+ * The text content after entry
+ */
+ String suffix;
+
+ boolean match(final String aBase, final String aExtendedBase,
+ final String aName) {
+ return eq(base, aBase) && eq(extendedBase, aExtendedBase)
+ && eq(name, aName);
+ }
+
+ private static boolean eq(final String a, final String b) {
+ if (a == null && b == null)
+ return true;
+ if (a == null || b == null)
+ return false;
+ return a.equalsIgnoreCase(b);
+ }
+ }
+
+}
\ No newline at end of file
diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/FileBasedConfig.java b/org.spearce.jgit/src/org/spearce/jgit/lib/FileBasedConfig.java
new file mode 100644
index 0000000..75e88f6
--- /dev/null
+++ b/org.spearce.jgit/src/org/spearce/jgit/lib/FileBasedConfig.java
@@ -0,0 +1,120 @@
+/*
+ * Copyright (C) 2007, Dave Watson <dwatson@mimvista.com>
+ * Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
+ * Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
+ * Copyright (C) 2008, Thad Hughes <thadh@thad.corp.google.com>
+ * Copyright (C) 2009, JetBrains s.r.o.
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or
+ * without modification, are permitted provided that the following
+ * conditions are met:
+ *
+ * - Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ *
+ * - Redistributions in binary form must reproduce the above
+ * copyright notice, this list of conditions and the following
+ * disclaimer in the documentation and/or other materials provided
+ * with the distribution.
+ *
+ * - Neither the name of the Git Development Community nor the
+ * names of its contributors may be used to endorse or promote
+ * products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
+ * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
+ * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+ * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+ * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+package org.spearce.jgit.lib;
+
+import java.io.BufferedWriter;
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.OutputStreamWriter;
+import java.io.PrintWriter;
+
+/**
+ * The configuration file that is stored in the file of the file system.
+ */
+public class FileBasedConfig extends Config {
+
+ private final File configFile;
+
+ /**
+ * The constructor
+ *
+ * @param base
+ * the base configuration file
+ * @param cfgLocation
+ * the location of the configuration file on the file system
+ */
+ public FileBasedConfig(Config base, File cfgLocation) {
+ super(base);
+ configFile = cfgLocation;
+ }
+
+ /**
+ * Save config data to the git config file
+ *
+ * @throws IOException
+ */
+ public void save() throws IOException {
+ final File tmp = new File(configFile.getParentFile(), configFile
+ .getName()
+ + ".lock");
+ final PrintWriter r = new PrintWriter(new BufferedWriter(
+ new OutputStreamWriter(new FileOutputStream(tmp),
+ Constants.CHARSET))) {
+ @Override
+ public void println() {
+ print('\n');
+ }
+ };
+ boolean ok = false;
+ try {
+ printConfig(r);
+ ok = true;
+ r.close();
+ if (!tmp.renameTo(configFile)) {
+ configFile.delete();
+ if (!tmp.renameTo(configFile))
+ throw new IOException("Cannot save config file "
+ + configFile + ", rename failed");
+ }
+ } finally {
+ r.close();
+ if (tmp.exists() && !tmp.delete()) {
+ System.err
+ .println("(warning) failed to delete tmp config file: "
+ + tmp);
+ }
+ }
+ setFileRead(ok);
+ }
+
+ @Override
+ protected InputStream openInputStream() throws IOException {
+ return new FileInputStream(configFile);
+ }
+
+ @Override
+ public String toString() {
+ return getClass().getSimpleName() + "[" + configFile.getPath() + "]";
+ }
+}
\ No newline at end of file
diff --git a/org.spearce.jgit/src/org/spearce/jgit/lib/RepositoryConfig.java b/org.spearce.jgit/src/org/spearce/jgit/lib/RepositoryConfig.java
index a339514..a139386 100644
--- a/org.spearce.jgit/src/org/spearce/jgit/lib/RepositoryConfig.java
+++ b/org.spearce.jgit/src/org/spearce/jgit/lib/RepositoryConfig.java
@@ -3,6 +3,7 @@
* Copyright (C) 2008, Robin Rosenberg <robin.rosenberg@dewire.com>
* Copyright (C) 2008, Shawn O. Pearce <spearce@spearce.org>
* Copyright (C) 2008, Thad Hughes <thadh@thad.corp.google.com>
+ * Copyright (C) 2009, JetBrains s.r.o.
*
* All rights reserved.
*
@@ -40,26 +41,10 @@
package org.spearce.jgit.lib;
-import java.io.BufferedReader;
-import java.io.BufferedWriter;
import java.io.File;
-import java.io.FileInputStream;
-import java.io.FileNotFoundException;
-import java.io.FileOutputStream;
import java.io.IOException;
-import java.io.InputStreamReader;
-import java.io.OutputStreamWriter;
-import java.io.PrintWriter;
import java.net.InetAddress;
import java.net.UnknownHostException;
-import java.util.ArrayList;
-import java.util.Collections;
-import java.util.HashMap;
-import java.util.HashSet;
-import java.util.Iterator;
-import java.util.List;
-import java.util.Map;
-import java.util.Set;
import org.spearce.jgit.util.FS;
import org.spearce.jgit.util.SystemReader;
@@ -70,7 +55,7 @@
* This can be either the repository specific file or the user global
* file depending on how it is instantiated.
*/
-public class RepositoryConfig {
+public class RepositoryConfig extends FileBasedConfig {
/**
* Obtain a new configuration instance for ~/.gitconfig.
*
@@ -81,7 +66,6 @@ public static RepositoryConfig openUserConfig() {
return systemReader.openUserConfig();
}
- private final RepositoryConfig baseConfig;
/** Section name for a remote configuration */
public static final String REMOTE_SECTION = "remote";
@@ -89,22 +73,12 @@ public static RepositoryConfig openUserConfig() {
/** Section name for a branch configuration. */
public static final String BRANCH_SECTION = "branch";
- private final File configFile;
+ CoreConfig core;
- private boolean readFile;
-
- private CoreConfig core;
-
- private TransferConfig transfer;
-
- private List<Entry> entries;
-
- private Map<String, Object> byName;
+ TransferConfig transfer;
private static String hostname;
- private static final String MAGIC_EMPTY_VALUE = "%%magic%%empty%%";
-
// default system reader gets the value from the system
private static SystemReader systemReader = new SystemReader() {
public String getenv(String variable) {
@@ -133,8 +107,7 @@ RepositoryConfig(final Repository repo) {
* path of the file to load (or save).
*/
public RepositoryConfig(final RepositoryConfig base, final File cfgLocation) {
- baseConfig = base;
- configFile = cfgLocation;
+ super(base, cfgLocation);
clear();
}
@@ -153,210 +126,6 @@ public TransferConfig getTransfer() {
}
/**
- * Obtain an integer value from the configuration.
- *
- * @param section
- * section the key is grouped within.
- * @param name
- * name of the key to get.
- * @param defaultValue
- * default value to return if no value was present.
- * @return an integer value from the configuration, or defaultValue.
- */
- public int getInt(final String section, final String name,
- final int defaultValue) {
- return getInt(section, null, name, defaultValue);
- }
-
- /**
- * Obtain an integer value from the configuration.
- *
- * @param section
- * section the key is grouped within.
- * @param subsection
- * subsection name, such a remote or branch name.
- * @param name
- * name of the key to get.
- * @param defaultValue
- * default value to return if no value was present.
- * @return an integer value from the configuration, or defaultValue.
- */
- public int getInt(final String section, String subsection,
- final String name, final int defaultValue) {
- final long val = getLong(section, subsection, name, defaultValue);
- if (Integer.MIN_VALUE <= val && val <= Integer.MAX_VALUE)
- return (int) val;
- throw new IllegalArgumentException("Integer value " + section + "."
- + name + " out of range");
- }
-
- /**
- * Obtain an integer value from the configuration.
- *
- * @param section
- * section the key is grouped within.
- * @param subsection
- * subsection name, such a remote or branch name.
- * @param name
- * name of the key to get.
- * @param defaultValue
- * default value to return if no value was present.
- * @return an integer value from the configuration, or defaultValue.
- */
- public long getLong(final String section, String subsection,
- final String name, final long defaultValue) {
- final String str = getString(section, subsection, name);
- if (str == null)
- return defaultValue;
-
- String n = str.trim();
- if (n.length() == 0)
- return defaultValue;
-
- long mul = 1;
- switch (Character.toLowerCase(n.charAt(n.length() - 1))) {
- case 'g':
- mul = 1024 * 1024 * 1024;
- break;
- case 'm':
- mul = 1024 * 1024;
- break;
- case 'k':
- mul = 1024;
- break;
- }
- if (mul > 1)
- n = n.substring(0, n.length() - 1).trim();
- if (n.length() == 0)
- return defaultValue;
-
- try {
- return mul * Long.parseLong(n);
- } catch (NumberFormatException nfe) {
- throw new IllegalArgumentException("Invalid integer value: "
- + section + "." + name + "=" + str);
- }
- }
-
- /**
- * Get a boolean value from the git config
- *
- * @param section
- * section the key is grouped within.
- * @param name
- * name of the key to get.
- * @param defaultValue
- * default value to return if no value was present.
- * @return true if any value or defaultValue is true, false for missing or
- * explicit false
- */
- public boolean getBoolean(final String section, final String name,
- final boolean defaultValue) {
- return getBoolean(section, null, name, defaultValue);
- }
-
- /**
- * Get a boolean value from the git config
- *
- * @param section
- * section the key is grouped within.
- * @param subsection
- * subsection name, such a remote or branch name.
- * @param name
- * name of the key to get.
- * @param defaultValue
- * default value to return if no value was present.
- * @return true if any value or defaultValue is true, false for missing or
- * explicit false
- */
- public boolean getBoolean(final String section, String subsection,
- final String name, final boolean defaultValue) {
- String n = getRawString(section, subsection, name);
- if (n == null)
- return defaultValue;
-
- if (MAGIC_EMPTY_VALUE.equals(n)
- || "yes".equalsIgnoreCase(n)
- || "true".equalsIgnoreCase(n)
- || "1".equals(n)
- || "on".equalsIgnoreCase(n)) {
- return true;
-
- } else if ("no".equalsIgnoreCase(n)
- || "false".equalsIgnoreCase(n)
- || "0".equals(n)
- || "off".equalsIgnoreCase(n)) {
- return false;
-
- } else {
- throw new IllegalArgumentException("Invalid boolean value: "
- + section + "." + name + "=" + n);
- }
- }
-
- /**
- * @param section
- * @param subsection
- * @param name
- * @return a String value from git config.
- */
- public String getString(final String section, String subsection, final String name) {
- String val = getRawString(section, subsection, name);
- if (MAGIC_EMPTY_VALUE.equals(val)) {
- return "";
- }
- return val;
- }
-
- /**
- * @param section
- * @param subsection
- * @param name
- * @return array of zero or more values from the configuration.
- */
- public String[] getStringList(final String section, String subsection,
- final String name) {
- final Object o = getRawEntry(section, subsection, name);
- if (o instanceof List) {
- final List lst = (List) o;
- final String[] r = new String[lst.size()];
- for (int i = 0; i < r.length; i++) {
- final String val = ((Entry) lst.get(i)).value;
- r[i] = MAGIC_EMPTY_VALUE.equals(val) ? "" : val;
- }
- return r;
- }
-
- if (o instanceof Entry) {
- final String val = ((Entry) o).value;
- return new String[] { MAGIC_EMPTY_VALUE.equals(val) ? "" : val };
- }
-
- if (baseConfig != null)
- return baseConfig.getStringList(section, subsection, name);
- return new String[0];
- }
-
- /**
- * @param section
- * section to search for.
- * @return set of all subsections of specified section within this
- * configuration and its base configuration; may be empty if no
- * subsection exists.
- */
- public Set<String> getSubsections(final String section) {
- final Set<String> result = new HashSet<String>();
-
- for (final Entry e : entries) {
- if (section.equalsIgnoreCase(e.base) && e.extendedBase != null)
- result.add(e.extendedBase);
- }
- if (baseConfig != null)
- result.addAll(baseConfig.getSubsections(section));
- return result;
- }
-
- /**
* @return the author name as defined in the git variables
* and configurations. If no name could be found, try
* to use the system user name instead.
@@ -433,713 +202,26 @@ private String getUserEmailInternal(String gitVariableKey) {
return email;
}
- private String getRawString(final String section, final String subsection,
- final String name) {
- final Object o = getRawEntry(section, subsection, name);
- if (o instanceof List) {
- return ((Entry) ((List) o).get(0)).value;
- } else if (o instanceof Entry) {
- return ((Entry) o).value;
- } else if (baseConfig != null)
- return baseConfig.getRawString(section, subsection, name);
- else
- return null;
- }
-
- private Object getRawEntry(final String section, final String subsection,
- final String name) {
- if (!readFile) {
- try {
- load();
- } catch (FileNotFoundException err) {
- // Oh well. No sense in complaining about it.
- //
- } catch (IOException err) {
- err.printStackTrace();
- }
- }
-
- String ss;
- if (subsection != null)
- ss = "."+subsection.toLowerCase();
- else
- ss = "";
- final Object o;
- o = byName.get(section.toLowerCase() + ss + "." + name.toLowerCase());
- return o;
- }
-
- /**
- * Add or modify a configuration value. The parameters will result in a
- * configuration entry like this.
- *
- * <pre>
- * [section "subsection"]
- * name = value
- * </pre>
- *
- * @param section
- * section name, e.g "branch"
- * @param subsection
- * optional subsection value, e.g. a branch name
- * @param name
- * parameter name, e.g. "filemode"
- * @param value
- * parameter value
- */
- public void setInt(final String section, final String subsection,
- final String name, final int value) {
- final String s;
-
- if ((value % (1024 * 1024 * 1024)) == 0)
- s = String.valueOf(value / (1024 * 1024 * 1024)) + " g";
- else if ((value % (1024 * 1024)) == 0)
- s = String.valueOf(value / (1024 * 1024)) + " m";
- else if ((value % 1024) == 0)
- s = String.valueOf(value / 1024) + " k";
- else
- s = String.valueOf(value);
-
- setString(section, subsection, name, s);
- }
-
- /**
- * Add or modify a configuration value. The parameters will result in a
- * configuration entry like this.
- *
- * <pre>
- * [section "subsection"]
- * name = value
- * </pre>
- *
- * @param section
- * section name, e.g "branch"
- * @param subsection
- * optional subsection value, e.g. a branch name
- * @param name
- * parameter name, e.g. "filemode"
- * @param value
- * parameter value
- */
- public void setBoolean(final String section, final String subsection,
- final String name, final boolean value) {
- setString(section, subsection, name, value ? "true" : "false");
- }
-
- /**
- * Add or modify a configuration value. The parameters will result in a
- * configuration entry like this.
- *
- * <pre>
- * [section "subsection"]
- * name = value
- * </pre>
- *
- * @param section
- * section name, e.g "branch"
- * @param subsection
- * optional subsection value, e.g. a branch name
- * @param name
- * parameter name, e.g. "filemode"
- * @param value
- * parameter value, e.g. "true"
- */
- public void setString(final String section, final String subsection,
- final String name, final String value) {
- setStringList(section, subsection, name, Collections
- .singletonList(value));
- }
-
- /**
- * Remove a configuration value.
- *
- * @param section
- * section name, e.g "branch"
- * @param subsection
- * optional subsection value, e.g. a branch name
- * @param name
- * parameter name, e.g. "filemode"
- */
- public void unsetString(final String section, final String subsection,
- final String name) {
- setStringList(section, subsection, name, Collections
- .<String> emptyList());
- }
-
- /**
- * Set a configuration value.
- *
- * <pre>
- * [section "subsection"]
- * name = value
- * </pre>
- *
- * @param section
- * section name, e.g "branch"
- * @param subsection
- * optional subsection value, e.g. a branch name
- * @param name
- * parameter name, e.g. "filemode"
- * @param values
- * list of zero or more values for this key.
- */
- public void setStringList(final String section, final String subsection,
- final String name, final List<String> values) {
- // Update our parsed cache of values for future reference.
- //
- String key = section.toLowerCase();
- if (subsection != null)
- key += "." + subsection.toLowerCase();
- key += "." + name.toLowerCase();
- if (values.size() == 0)
- byName.remove(key);
- else if (values.size() == 1) {
- final Entry e = new Entry();
- e.base = section;
- e.extendedBase = subsection;
- e.name = name;
- e.value = values.get(0);
- byName.put(key, e);
- } else {
- final ArrayList<Entry> eList = new ArrayList<Entry>(values.size());
- for (final String v : values) {
- final Entry e = new Entry();
- e.base = section;
- e.extendedBase = subsection;
- e.name = name;
- e.value = v;
- eList.add(e);
- }
- byName.put(key, eList);
- }
-
- int entryIndex = 0;
- int valueIndex = 0;
- int insertPosition = -1;
-
- // Reset the first n Entry objects that match this input name.
- //
- while (entryIndex < entries.size() && valueIndex < values.size()) {
- final Entry e = entries.get(entryIndex++);
- if (e.match(section, subsection, name)) {
- e.value = values.get(valueIndex++);
- insertPosition = entryIndex;
- }
- }
-
- // Remove any extra Entry objects that we no longer need.
- //
- if (valueIndex == values.size() && entryIndex < entries.size()) {
- while (entryIndex < entries.size()) {
- final Entry e = entries.get(entryIndex++);
- if (e.match(section, subsection, name))
- entries.remove(--entryIndex);
- }
- }
-
- // Insert new Entry objects for additional/new values.
- //
- if (valueIndex < values.size() && entryIndex == entries.size()){
- if (insertPosition < 0) {
- // We didn't find a matching key above, but maybe there
- // is already a section available that matches. Insert
- // after the last key of that section.
- //
- insertPosition = findSectionEnd(section, subsection);
- }
- if (insertPosition < 0) {
- // We didn't find any matching section header for this key,
- // so we must create a new section header at the end.
- //
- final Entry e = new Entry();
- e.prefix = null;
- e.suffix = null;
- e.base = section;
- e.extendedBase = subsection;
- entries.add(e);
- insertPosition = entries.size();
- }
- while (valueIndex < values.size()) {
- final Entry e = new Entry();
- e.prefix = null;
- e.suffix = null;
- e.base = section;
- e.extendedBase = subsection;
- e.name = name;
- e.value = values.get(valueIndex++);
- entries.add(insertPosition++, e);
- }
- }
- }
-
- private int findSectionEnd(final String section, final String subsection) {
- for (int i = 0; i < entries.size(); i++) {
- Entry e = entries.get(i);
- if (e.match(section, subsection, null)) {
- i++;
- while (i < entries.size()) {
- e = entries.get(i);
- if (e.match(section, subsection, e.name))
- i++;
- else
- break;
- }
- return i;
- }
- }
- return -1;
- }
-
/**
* Create a new default config
*/
public void create() {
- Entry e;
-
clear();
- readFile = true;
-
- e = new Entry();
- e.base = "core";
- add(e);
-
- e = new Entry();
- e.base = "core";
- e.name = "repositoryformatversion";
- e.value = "0";
- add(e);
-
- e = new Entry();
- e.base = "core";
- e.name = "filemode";
- e.value = "true";
- add(e);
+ setFileRead(true);
+ setString("core", null, "repositoryformatversion", "0");
+ setString("core", null, "filemode", "true");
core = new CoreConfig(this);
transfer = new TransferConfig(this);
}
- /**
- * Save config data to the git config file
- *
- * @throws IOException
- */
- public void save() throws IOException {
- final File tmp = new File(configFile.getParentFile(), configFile
- .getName()
- + ".lock");
- final PrintWriter r = new PrintWriter(new BufferedWriter(
- new OutputStreamWriter(new FileOutputStream(tmp),
- Constants.CHARSET))) {
- @Override
- public void println() {
- print('\n');
- }
- };
- boolean ok = false;
- try {
- final Iterator<Entry> i = entries.iterator();
- while (i.hasNext()) {
- final Entry e = i.next();
- if (e.prefix != null) {
- r.print(e.prefix);
- }
- if (e.base != null && e.name == null) {
- r.print('[');
- r.print(e.base);
- if (e.extendedBase != null) {
- r.print(' ');
- r.print('"');
- r.print(escapeValue(e.extendedBase));
- r.print('"');
- }
- r.print(']');
- } else if (e.base != null && e.name != null) {
- if (e.prefix == null || "".equals(e.prefix)) {
- r.print('\t');
- }
- r.print(e.name);
- if (e.value != null) {
- if (!MAGIC_EMPTY_VALUE.equals(e.value)) {
- r.print(" = ");
- r.print(escapeValue(e.value));
- }
- }
- if (e.suffix != null) {
- r.print(' ');
- }
- }
- if (e.suffix != null) {
- r.print(e.suffix);
- }
- r.println();
- }
- ok = true;
- r.close();
- if (!tmp.renameTo(configFile)) {
- configFile.delete();
- if (!tmp.renameTo(configFile))
- throw new IOException("Cannot save config file " + configFile + ", rename failed");
- }
- } finally {
- r.close();
- if (tmp.exists() && !tmp.delete()) {
- System.err.println("(warning) failed to delete tmp config file: " + tmp);
- }
- }
- readFile = ok;
- }
-
- /**
- * Read the config file
- * @throws IOException
- */
+ @Override
public void load() throws IOException {
- clear();
- readFile = true;
- final BufferedReader r = new BufferedReader(new InputStreamReader(
- new FileInputStream(configFile), Constants.CHARSET));
- try {
- Entry last = null;
- Entry e = new Entry();
- for (;;) {
- r.mark(1);
- int input = r.read();
- final char in = (char) input;
- if (-1 == input) {
- break;
- } else if ('\n' == in) {
- // End of this entry.
- add(e);
- if (e.base != null) {
- last = e;
- }
- e = new Entry();
- } else if (e.suffix != null) {
- // Everything up until the end-of-line is in the suffix.
- e.suffix += in;
- } else if (';' == in || '#' == in) {
- // The rest of this line is a comment; put into suffix.
- e.suffix = String.valueOf(in);
- } else if (e.base == null && Character.isWhitespace(in)) {
- // Save the leading whitespace (if any).
- if (e.prefix == null) {
- e.prefix = "";
- }
- e.prefix += in;
- } else if ('[' == in) {
- // This is a group header line.
- e.base = readBase(r);
- input = r.read();
- if ('"' == input) {
- e.extendedBase = readValue(r, true, '"');
- input = r.read();
- }
- if (']' != input) {
- throw new IOException("Bad group header.");
- }
- e.suffix = "";
- } else if (last != null) {
- // Read a value.
- e.base = last.base;
- e.extendedBase = last.extendedBase;
- r.reset();
- e.name = readName(r);
- if (e.name.endsWith("\n")) {
- e.name = e.name.substring(0, e.name.length()-1);
- e.value = MAGIC_EMPTY_VALUE;
- } else
- e.value = readValue(r, false, -1);
- } else {
- throw new IOException("Invalid line in config file.");
- }
- }
- } finally {
- r.close();
- }
-
+ super.load();
core = new CoreConfig(this);
transfer = new TransferConfig(this);
}
- private void clear() {
- entries = new ArrayList<Entry>();
- byName = new HashMap<String, Object>();
- }
-
- @SuppressWarnings("unchecked")
- private void add(final Entry e) {
- entries.add(e);
- if (e.base != null) {
- final String b = e.base.toLowerCase();
- final String group;
- if (e.extendedBase != null) {
- group = b + "." + e.extendedBase;
- } else {
- group = b;
- }
- if (e.name != null) {
- final String n = e.name.toLowerCase();
- final String key = group + "." + n;
- final Object o = byName.get(key);
- if (o == null) {
- byName.put(key, e);
- } else if (o instanceof Entry) {
- final ArrayList<Object> l = new ArrayList<Object>();
- l.add(o);
- l.add(e);
- byName.put(key, l);
- } else if (o instanceof List) {
- ((List<Entry>) o).add(e);
- }
- }
- }
- }
-
- private static String escapeValue(final String x) {
- boolean inquote = false;
- int lineStart = 0;
- final StringBuffer r = new StringBuffer(x.length());
- for (int k = 0; k < x.length(); k++) {
- final char c = x.charAt(k);
- switch (c) {
- case '\n':
- if (inquote) {
- r.append('"');
- inquote = false;
- }
- r.append("\\n\\\n");
- lineStart = r.length();
- break;
-
- case '\t':
- r.append("\\t");
- break;
-
- case '\b':
- r.append("\\b");
- break;
-
- case '\\':
- r.append("\\\\");
- break;
-
- case '"':
- r.append("\\\"");
- break;
-
- case ';':
- case '#':
- if (!inquote) {
- r.insert(lineStart, '"');
- inquote = true;
- }
- r.append(c);
- break;
-
- case ' ':
- if (!inquote && r.length() > 0
- && r.charAt(r.length() - 1) == ' ') {
- r.insert(lineStart, '"');
- inquote = true;
- }
- r.append(' ');
- break;
-
- default:
- r.append(c);
- break;
- }
- }
- if (inquote) {
- r.append('"');
- }
- return r.toString();
- }
-
- private static String readBase(final BufferedReader r) throws IOException {
- final StringBuffer base = new StringBuffer();
- for (;;) {
- r.mark(1);
- int c = r.read();
- if (c < 0) {
- throw new IOException("Unexpected end of config file.");
- } else if (']' == c) {
- r.reset();
- break;
- } else if (' ' == c || '\t' == c) {
- for (;;) {
- r.mark(1);
- c = r.read();
- if (c < 0) {
- throw new IOException("Unexpected end of config file.");
- } else if ('"' == c) {
- r.reset();
- break;
- } else if (' ' == c || '\t' == c) {
- // Skipped...
- } else {
- throw new IOException("Bad base entry. : " + base + "," + c);
- }
- }
- break;
- } else if (Character.isLetterOrDigit((char) c) || '.' == c || '-' == c) {
- base.append((char) c);
- } else {
- throw new IOException("Bad base entry. : " + base + ", " + c);
- }
- }
- return base.toString();
- }
-
- private static String readName(final BufferedReader r) throws IOException {
- final StringBuffer name = new StringBuffer();
- for (;;) {
- r.mark(1);
- int c = r.read();
- if (c < 0) {
- throw new IOException("Unexpected end of config file.");
- } else if ('=' == c) {
- break;
- } else if (' ' == c || '\t' == c) {
- for (;;) {
- r.mark(1);
- c = r.read();
- if (c < 0) {
- throw new IOException("Unexpected end of config file.");
- } else if ('=' == c) {
- break;
- } else if (';' == c || '#' == c || '\n' == c) {
- r.reset();
- break;
- } else if (' ' == c || '\t' == c) {
- // Skipped...
- } else {
- throw new IOException("Bad entry delimiter.");
- }
- }
- break;
- } else if (Character.isLetterOrDigit((char) c) || c == '-') {
- // From the git-config man page:
- // The variable names are case-insensitive and only
- // alphanumeric characters and - are allowed.
- name.append((char) c);
- } else if ('\n' == c) {
- r.reset();
- name.append((char) c);
- break;
- } else {
- throw new IOException("Bad config entry name: " + name + (char) c);
- }
- }
- return name.toString();
- }
-
- private static String readValue(final BufferedReader r, boolean quote,
- final int eol) throws IOException {
- final StringBuffer value = new StringBuffer();
- boolean space = false;
- for (;;) {
- r.mark(1);
- int c = r.read();
- if (c < 0) {
- if (value.length() == 0)
- throw new IOException("Unexpected end of config file.");
- break;
- }
- if ('\n' == c) {
- if (quote) {
- throw new IOException("Newline in quotes not allowed.");
- }
- r.reset();
- break;
- }
- if (eol == c) {
- break;
- }
- if (!quote) {
- if (Character.isWhitespace((char) c)) {
- space = true;
- continue;
- }
- if (';' == c || '#' == c) {
- r.reset();
- break;
- }
- }
- if (space) {
- if (value.length() > 0) {
- value.append(' ');
- }
- space = false;
- }
- if ('\\' == c) {
- c = r.read();
- switch (c) {
- case -1:
- throw new IOException("End of file in escape.");
- case '\n':
- continue;
- case 't':
- value.append('\t');
- continue;
- case 'b':
- value.append('\b');
- continue;
- case 'n':
- value.append('\n');
- continue;
- case '\\':
- value.append('\\');
- continue;
- case '"':
- value.append('"');
- continue;
- default:
- throw new IOException("Bad escape: " + ((char) c));
- }
- }
- if ('"' == c) {
- quote = !quote;
- continue;
- }
- value.append((char) c);
- }
- return value.length() > 0 ? value.toString() : null;
- }
-
- public String toString() {
- return "RepositoryConfig[" + configFile.getPath() + "]";
- }
-
- static class Entry {
- String prefix;
-
- String base;
-
- String extendedBase;
-
- String name;
-
- String value;
-
- String suffix;
-
- boolean match(final String aBase, final String aExtendedBase,
- final String aName) {
- return eq(base, aBase) && eq(extendedBase, aExtendedBase)
- && eq(name, aName);
- }
-
- private static boolean eq(final String a, final String b) {
- if (a == null && b == null)
- return true;
- if (a == null || b == null)
- return false;
- return a.equalsIgnoreCase(b);
- }
- }
-
/**
* Gets the hostname of the local host.
* If no hostname can be found, the hostname is set to the default value "localhost".
@@ -1166,5 +248,4 @@ private static String getHostname() {
public static void setSystemReader(SystemReader newSystemReader) {
systemReader = newSystemReader;
}
-
}
