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Diffstat (limited to 'tools/droiddoc/src/LinkReference.java')
-rw-r--r-- | tools/droiddoc/src/LinkReference.java | 440 |
1 files changed, 0 insertions, 440 deletions
diff --git a/tools/droiddoc/src/LinkReference.java b/tools/droiddoc/src/LinkReference.java deleted file mode 100644 index bbcd4db..0000000 --- a/tools/droiddoc/src/LinkReference.java +++ /dev/null @@ -1,440 +0,0 @@ -/* - * Copyright (C) 2008 The Android Open Source Project - * - * 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. - */ - -import java.util.regex.Pattern; -import java.util.regex.Matcher; -import java.util.ArrayList; - -/** - * Class that represents what you see in an link or see tag. This is - * factored out of SeeTagInfo so it can be used elsewhere (like AttrTagInfo). - */ -public class LinkReference { - - /** The original text. */ - public String text; - - /** The kind of this tag, if we have a new suggestion after parsing. */ - public String kind; - - /** The user visible text. */ - public String label; - - /** The link. */ - public String href; - - /** The {@link PackageInfo} if any. */ - public PackageInfo packageInfo; - - /** The {@link ClassInfo} if any. */ - public ClassInfo classInfo; - - /** The {@link MemberInfo} if any. */ - public MemberInfo memberInfo; - - /** The name of the referenced member PackageInfo} if any. */ - public String referencedMemberName; - - /** Set to true if everything is a-ok */ - public boolean good; - - /** - * regex pattern to use when matching explicit "<a href" reference text - */ - private static final Pattern HREF_PATTERN - = Pattern.compile("^<a href=\"([^\"]*)\">([^<]*)</a>[ \n\r\t]*$", - Pattern.CASE_INSENSITIVE); - - /** - * Parse and resolve a link string. - * - * @param text the original text - * @param base the class or whatever that this link is on - * @param pos the original position in the source document - * @return a new link reference. It always returns something. If there was an - * error, it logs it and fills in href and label with error text. - */ - public static LinkReference parse(String text, ContainerInfo base, SourcePositionInfo pos, - boolean printOnErrors) { - LinkReference result = new LinkReference(); - result.text = text; - - int index; - int len = text.length(); - int pairs = 0; - int pound = -1; - // split the string - done: { - for (index=0; index<len; index++) { - char c = text.charAt(index); - switch (c) - { - case '(': - pairs++; - break; - case '[': - pairs++; - break; - case ')': - pairs--; - break; - case ']': - pairs--; - break; - case ' ': - case '\t': - case '\r': - case '\n': - if (pairs == 0) { - break done; - } - break; - case '#': - if (pound < 0) { - pound = index; - } - break; - } - } - } - if (index == len && pairs != 0) { - Errors.error(Errors.UNRESOLVED_LINK, pos, - "unable to parse link/see tag: " + text.trim()); - return result; - } - - int linkend = index; - - for (; index<len; index++) { - char c = text.charAt(index); - if (!(c == ' ' || c == '\t' || c == '\r' || c == '\n')) { - break; - } - } - - result.label = text.substring(index); - - String ref; - String mem; - if (pound == 0) { - ref = null; - mem = text.substring(1, linkend); - } - else if (pound > 0) { - ref = text.substring(0, pound); - mem = text.substring(pound+1, linkend); - } - else { - ref = text.substring(0, linkend); - mem = null; - } - - // parse parameters, if any - String[] params = null; - String[] paramDimensions = null; - if (mem != null) { - index = mem.indexOf('('); - if (index > 0) { - ArrayList<String> paramList = new ArrayList<String>(); - ArrayList<String> paramDimensionList = new ArrayList<String>(); - len = mem.length(); - int start = index+1; - final int START = 0; - final int TYPE = 1; - final int NAME = 2; - int dimension = 0; - int arraypair = 0; - int state = START; - int typestart = 0; - int typeend = -1; - for (int i=start; i<len; i++) { - char c = mem.charAt(i); - switch (state) - { - case START: - if (c!=' ' && c!='\t' && c!='\r' && c!='\n') { - state = TYPE; - typestart = i; - } - break; - case TYPE: - if (c == '[') { - if (typeend < 0) { - typeend = i; - } - dimension++; - arraypair++; - } - else if (c == ']') { - arraypair--; - } - else if (c==' ' || c=='\t' || c=='\r' || c=='\n') { - if (typeend < 0) { - typeend = i; - } - } - else { - if (typeend >= 0 || c == ')' || c == ',') { - if (typeend < 0) { - typeend = i; - } - String s = mem.substring(typestart, typeend); - paramList.add(s); - s = ""; - for (int j=0; j<dimension; j++) { - s += "[]"; - } - paramDimensionList.add(s); - state = START; - typeend = -1; - dimension = 0; - if (c == ',' || c == ')') { - state = START; - } else { - state = NAME; - } - } - } - break; - case NAME: - if (c == ',' || c == ')') { - state = START; - } - break; - } - - } - params = paramList.toArray(new String[paramList.size()]); - paramDimensions = paramDimensionList.toArray(new String[paramList.size()]); - mem = mem.substring(0, index); - } - } - - ClassInfo cl = null; - if (base instanceof ClassInfo) { - cl = (ClassInfo)base; - } - - if (ref == null) { - // no class or package was provided, assume it's this class - if (cl != null) { - result.classInfo = cl; - } - } else { - // they provided something, maybe it's a class or a package - if (cl != null) { - result.classInfo = cl.extendedFindClass(ref); - if (result.classInfo == null) { - result.classInfo = cl.findClass(ref); - } - if (result.classInfo == null) { - result.classInfo = cl.findInnerClass(ref); - } - } - if (result.classInfo == null) { - result.classInfo = Converter.obtainClass(ref); - } - if (result.classInfo == null) { - result.packageInfo = Converter.obtainPackage(ref); - } - } - - if (result.classInfo != null && mem != null) { - // it's either a field or a method, prefer a field - if (params == null) { - FieldInfo field = result.classInfo.findField(mem); - // findField looks in containing classes, so it might actually - // be somewhere else; link to where it really is, not what they - // typed. - if (field != null) { - result.classInfo = field.containingClass(); - result.memberInfo = field; - } - } - if (result.memberInfo == null) { - MethodInfo method = result.classInfo.findMethod(mem, params, paramDimensions); - if (method != null) { - result.classInfo = method.containingClass(); - result.memberInfo = method; - } - } - } - - result.referencedMemberName = mem; - if (params != null) { - result.referencedMemberName = result.referencedMemberName + '('; - len = params.length; - if (len > 0) { - len--; - for (int i=0; i<len; i++) { - result.referencedMemberName = result.referencedMemberName + params[i] - + paramDimensions[i] + ", "; - } - result.referencedMemberName = result.referencedMemberName + params[len] - + paramDimensions[len]; - } - result.referencedMemberName = result.referencedMemberName + ")"; - } - - // debugging spew - if (false) { - result.label = result.label + "/" + ref + "/" + mem + '/'; - if (params != null) { - for (int i=0; i<params.length; i++) { - result.label += params[i] + "|"; - } - } - - FieldInfo f = (result.memberInfo instanceof FieldInfo) - ? (FieldInfo)result.memberInfo - : null; - MethodInfo m = (result.memberInfo instanceof MethodInfo) - ? (MethodInfo)result.memberInfo - : null; - result.label = result.label - + "/package=" + (result.packageInfo!=null?result.packageInfo.name():"") - + "/class=" + (result.classInfo!=null?result.classInfo.qualifiedName():"") - + "/field=" + (f!=null?f.name():"") - + "/method=" + (m!=null?m.name():""); - - } - - MethodInfo method = null; - boolean skipHref = false; - - if (result.memberInfo != null && result.memberInfo.isExecutable()) { - method = (MethodInfo)result.memberInfo; - } - - if (text.startsWith("\"")) { - // literal quoted reference (e.g., a book title) - result.label = text.substring(1); - skipHref = true; - if (!result.label.endsWith("\"")) { - Errors.error(Errors.UNRESOLVED_LINK, pos, - "unbalanced quoted link/see tag: " + text.trim()); - result.makeError(); - return result; - } - result.label = result.label.substring(0, result.label.length() - 1); - result.kind = "@seeJustLabel"; - } - else if (text.startsWith("<")) { - // explicit "<a href" form - Matcher matcher = HREF_PATTERN.matcher(text); - if (! matcher.matches()) { - Errors.error(Errors.UNRESOLVED_LINK, pos, - "invalid <a> link/see tag: " + text.trim()); - result.makeError(); - return result; - } - result.href = matcher.group(1); - result.label = matcher.group(2); - result.kind = "@seeHref"; - } - else if (result.packageInfo != null) { - result.href = result.packageInfo.htmlPage(); - if (result.label.length() == 0) { - result.href = result.packageInfo.htmlPage(); - result.label = result.packageInfo.name(); - } - } - else if (result.classInfo != null && result.referencedMemberName == null) { - // class reference - if (result.label.length() == 0) { - result.label = result.classInfo.name(); - } - result.href = result.classInfo.htmlPage(); - } - else if (result.memberInfo != null) { - // member reference - ClassInfo containing = result.memberInfo.containingClass(); - if (result.memberInfo.isExecutable()) { - if (result.referencedMemberName.indexOf('(') < 0) { - result.referencedMemberName += method.flatSignature(); - } - } - if (result.label.length() == 0) { - result.label = result.referencedMemberName; - } - result.href = containing.htmlPage() + '#' + result.memberInfo.anchor(); - } - - if (result.href == null && !skipHref) { - if (printOnErrors && (base == null || base.checkLevel())) { - Errors.error(Errors.UNRESOLVED_LINK, pos, - "Unresolved link/see tag \"" + text.trim() - + "\" in " + ((base != null) ? base.qualifiedName() : "[null]")); - } - result.makeError(); - } - else if (result.memberInfo != null && !result.memberInfo.checkLevel()) { - if (printOnErrors && (base == null || base.checkLevel())) { - Errors.error(Errors.HIDDEN_LINK, pos, - "Link to hidden member: " + text.trim()); - result.href = null; - } - result.kind = "@seeJustLabel"; - } - else if (result.classInfo != null && !result.classInfo.checkLevel()) { - if (printOnErrors && (base == null || base.checkLevel())) { - Errors.error(Errors.HIDDEN_LINK, pos, - "Link to hidden class: " + text.trim() + " label=" + result.label); - result.href = null; - } - result.kind = "@seeJustLabel"; - } - else if (result.packageInfo != null && !result.packageInfo.checkLevel()) { - if (printOnErrors && (base == null || base.checkLevel())) { - Errors.error(Errors.HIDDEN_LINK, pos, - "Link to hidden package: " + text.trim()); - result.href = null; - } - result.kind = "@seeJustLabel"; - } - - result.good = true; - - return result; - } - - public boolean checkLevel() { - if (memberInfo != null) { - return memberInfo.checkLevel(); - } - if (classInfo != null) { - return classInfo.checkLevel(); - } - if (packageInfo != null) { - return packageInfo.checkLevel(); - } - return false; - } - - /** turn this LinkReference into one with an error message */ - private void makeError() { - //this.href = "ERROR(" + this.text.trim() + ")"; - this.href = null; - if (this.label == null) { - this.label = ""; - } - this.label = "ERROR(" + this.label + "/" + text.trim() + ")"; - } - - /** private. **/ - private LinkReference() { - } -} |