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Powerful, fast and easy to use HTML and XML parser for Java
/*
* =============================================================================
*
* Copyright (c) 2012, The ATTOPARSER team (http://www.attoparser.org)
*
* 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 org.attoparser.markup;
/**
*
* Class containing utility methods for general markup parsing.
*
*
* @author Daniel Fernández
*
* @since 1.0
*
*/
public final class MarkupParsingUtil {
private MarkupParsingUtil() {
super();
}
static int findNextStructureEndAvoidQuotes(
final char[] text, final int offset, final int maxi,
final MarkupParsingLocator locator) {
boolean inQuotes = false;
boolean inApos = false;
int colIndex = offset;
for (int i = offset; i < maxi; i++) {
final char c = text[i];
if (c == '\n') {
colIndex = i;
locator.col = 0;
locator.line++;
} else if (c == '"' && !inApos) {
inQuotes = !inQuotes;
} else if (c == '\'' && !inQuotes) {
inApos = !inApos;
} else if (c == '>' && !inQuotes && !inApos) {
locator.col += (i - colIndex);
return i;
}
}
locator.col += (maxi - colIndex);
return -1;
}
static int findNextStructureEndDontAvoidQuotes(
final char[] text, final int offset, final int maxi,
final MarkupParsingLocator locator) {
int colIndex = offset;
for (int i = offset; i < maxi; i++) {
final char c = text[i];
if (c == '\n') {
colIndex = i;
locator.col = 0;
locator.line++;
} else if (c == '>') {
locator.col += (i - colIndex);
return i;
}
}
locator.col += (maxi - colIndex);
return -1;
}
static int findNextStructureStart(
final char[] text, final int offset, final int maxi,
final MarkupParsingLocator locator) {
int colIndex = offset;
for (int i = offset; i < maxi; i++) {
final char c = text[i];
if (c == '\n') {
colIndex = i;
locator.col = 0;
locator.line++;
} else if (c == '<') {
locator.col += (i - colIndex);
return i;
}
}
locator.col += (maxi - colIndex);
return -1;
}
static int findNextWhitespaceCharWildcard(
final char[] text, final int offset, final int maxi,
final boolean avoidQuotes, final MarkupParsingLocator locator) {
boolean inQuotes = false;
boolean inApos = false;
for (int i = offset; i < maxi; i++) {
final char c = text[i];
if (avoidQuotes && !inApos && c == '"') {
inQuotes = !inQuotes;
} else if (avoidQuotes && !inQuotes && c == '\'') {
inApos = !inApos;
} else if (!inQuotes && !inApos && (c == ' ' || c == '\n' || Character.isWhitespace(c))) {
return i;
}
MarkupParsingLocator.countChar(locator, c);
}
return -1;
}
static int findNextNonWhitespaceCharWildcard(
final char[] text, final int offset, final int maxi,
final MarkupParsingLocator locator) {
for (int i = offset; i < maxi; i++) {
final char c = text[i];
final boolean isWhitespace = (c == ' ' || c == '\n' || Character.isWhitespace(c));
if (!isWhitespace) {
return i;
}
MarkupParsingLocator.countChar(locator, c);
}
return -1;
}
static int findNextOperatorCharWildcard(
final char[] text, final int offset, final int maxi,
final MarkupParsingLocator locator) {
for (int i = offset; i < maxi; i++) {
final char c = text[i];
if (c == '=' || (c == ' ' || c == '\n' || Character.isWhitespace(c))) {
return i;
}
MarkupParsingLocator.countChar(locator, c);
}
return -1;
}
static int findNextNonOperatorCharWildcard(
final char[] text, final int offset, final int maxi,
final MarkupParsingLocator locator) {
for (int i = offset; i < maxi; i++) {
final char c = text[i];
if (c != '=' && !(c == ' ' || c == '\n' || Character.isWhitespace(c))) {
return i;
}
MarkupParsingLocator.countChar(locator, c);
}
return -1;
}
static int findNextAnyCharAvoidQuotesWildcard(
final char[] text, final int offset, final int maxi,
final MarkupParsingLocator locator) {
boolean inQuotes = false;
boolean inApos = false;
for (int i = offset; i < maxi; i++) {
final char c = text[i];
if (!inApos && c == '"') {
inQuotes = !inQuotes;
} else if (!inQuotes && c == '\'') {
inApos = !inApos;
} else if (!inQuotes && !inApos) {
return i;
}
MarkupParsingLocator.countChar(locator, c);
}
return -1;
}
}