com.scudata.expression.fn.string.Replace Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of esproc Show documentation
Show all versions of esproc Show documentation
SPL(Structured Process Language) A programming language specially for structured data computing.
package com.scudata.expression.fn.string;
import com.scudata.array.ConstArray;
import com.scudata.array.IArray;
import com.scudata.array.StringArray;
import com.scudata.common.MessageManager;
import com.scudata.common.RQException;
import com.scudata.common.Sentence;
import com.scudata.dm.Context;
import com.scudata.dm.Sequence;
import com.scudata.expression.Expression;
import com.scudata.expression.Function;
import com.scudata.expression.IParam;
import com.scudata.resources.EngineMessage;
/**
* replace(src,a,b) ???ַ???src?????ַ???a??Ϊ?ַ???b
* @author runqian
*
*/
public class Replace extends Function {
private Expression exp1;
private Expression exp2;
private Expression exp3;
/**
* ??????ʽ????Ч?ԣ???Ч???׳??쳣
*/
public void checkValidity() {
if (param == null) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.missingParam"));
} else if (param.getSubSize() != 3) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.invalidParam"));
}
IParam sub1 = param.getSub(0);
IParam sub2 = param.getSub(1);
IParam sub3 = param.getSub(2);
if (sub1 == null || sub2 == null || sub3 == null) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.invalidParam"));
}
exp1 = sub1.getLeafExpression();
exp2 = sub2.getLeafExpression();
exp3 = sub3.getLeafExpression();
}
public Object calculate(Context ctx) {
Object str1 = exp1.calculate(ctx);
if (str1 == null) {
return null;
} else if (!(str1 instanceof String)) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
Object str2 = exp2.calculate(ctx);
if (str2 instanceof Sequence) {
Object obj3 = exp3.calculate(ctx);
if (!(obj3 instanceof Sequence)) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
int flag = Sentence.IGNORE_PARS;
if (option != null) {
if (option.indexOf('q') == -1) {
//??????????ַ?Ҳ??Ҫ?任
flag += Sentence.IGNORE_QUOTE;
}
if (option.indexOf('1') != -1) {
// ֻ?滻??һ??
flag += Sentence.ONLY_FIRST;
}
if (option.indexOf('c') != -1) {
// ???Դ?Сд
flag += Sentence.IGNORE_CASE;
}
if (option.indexOf('w') != -1) {
// ??Ҫ????ƥ??
flag += Sentence.ONLY_PHRASE;
}
} else {
flag += Sentence.IGNORE_QUOTE;
}
return replace((String)str1, (Sequence)str2, (Sequence)obj3, flag);
} else if (str2 == null) {
return null;
} else if (!(str2 instanceof String)) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
Object str3 = exp3.calculate(ctx);
if (str3 == null) {
return null;
} else if (!(str3 instanceof String)) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
int flag = Sentence.IGNORE_PARS;
if (option != null) {
if (option.indexOf('s') != -1) {
return replaceChars((String)str1, (String)str2, (String)str3);
}
if (option.indexOf('q') == -1) {
//??????????ַ?Ҳ??Ҫ?任
flag += Sentence.IGNORE_QUOTE;
}
if (option.indexOf('1') != -1) {
// ֻ?滻??һ??
flag += Sentence.ONLY_FIRST;
}
if (option.indexOf('c') != -1) {
// ???Դ?Сд
flag += Sentence.IGNORE_CASE;
}
if (option.indexOf('w') != -1) {
// ??Ҫ????ƥ??
flag += Sentence.ONLY_PHRASE;
}
} else {
flag += Sentence.IGNORE_QUOTE;
}
return Sentence.replace((String)str1, 0, (String)str2, (String)str3, flag);
}
private static String replace(String src, Sequence regexSequence, Sequence replaceSequence, int flag) {
int len = regexSequence.length();
for (int i = 1; i <= len; ++i) {
String regex = (String)regexSequence.get(i);
String replacement = (String)replaceSequence.get(i);
src = Sentence.replace(src, regex, replacement, flag);
}
return src;
}
private static String replaceChars(String src, String regex, String replacement) {
char []chars = src.toCharArray();
for (int i = 0, len = chars.length; i < len; ++i) {
int index = regex.indexOf(chars[i]);
if (index != -1) {
chars[i] = replacement.charAt(index);
}
}
return new String(chars);
}
/**
* ??????????еĽ??
* @param ctx ??????????
* @return IArray
*/
public IArray calculateAll(Context ctx) {
IArray array1 = exp1.calculateAll(ctx);
IArray array2 = exp2.calculateAll(ctx);
IArray array3 = exp3.calculateAll(ctx);
int size = array1.size();
int flag = Sentence.IGNORE_PARS;
boolean isChars = false;
if (option != null) {
if (option.indexOf('s') != -1) {
isChars = true;
}
if (option.indexOf('q') == -1) {
//??????????ַ?Ҳ??Ҫ?任
flag += Sentence.IGNORE_QUOTE;
}
if (option.indexOf('1') != -1) {
// ֻ?滻??һ??
flag += Sentence.ONLY_FIRST;
}
if (option.indexOf('c') != -1) {
// ???Դ?Сд
flag += Sentence.IGNORE_CASE;
}
if (option.indexOf('w') != -1) {
// ??Ҫ????ƥ??
flag += Sentence.ONLY_PHRASE;
}
} else {
flag += Sentence.IGNORE_QUOTE;
}
if (array2 instanceof ConstArray && array3 instanceof ConstArray) {
Object obj = array2.get(1);
if (obj instanceof String) {
String str2 = (String)obj;
obj = array3.get(1);
if (!(obj instanceof String)) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
String str3 = (String)obj;
if (array1 instanceof StringArray) {
StringArray stringArray = (StringArray)array1;
StringArray result = new StringArray(size);
result.setTemporary(true);
for (int i = 1; i <= size; ++i) {
String str = stringArray.getString(i);
if (str != null) {
if (isChars) {
str = replaceChars(str, str2, str3);
} else {
str = Sentence.replace(str, 0, str2, str3, flag);
}
result.push(str);
} else {
result.push(null);
}
}
return result;
} else if (array1 instanceof ConstArray) {
obj = array1.get(1);
String str = null;
if (obj instanceof String) {
if (isChars) {
str = replaceChars((String)obj, str2, str3);
} else {
str = Sentence.replace((String)obj, 0, str2, str3, flag);
}
} else if (obj != null) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
return new ConstArray(str, size);
} else {
StringArray result = new StringArray(size);
result.setTemporary(true);
for (int i = 1; i <= size; ++i) {
obj = array1.get(i);
String str = null;
if (obj instanceof String) {
if (isChars) {
str = replaceChars((String)obj, str2, str3);
} else {
str = Sentence.replace((String)obj, 0, str2, str3, flag);
}
} else if (obj != null) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
result.push(str);
}
return result;
}
} else if (obj instanceof Sequence) {
Sequence seq2 = (Sequence)obj;
obj = array3.get(1);
if (!(obj instanceof Sequence)) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
Sequence seq3 = (Sequence)obj;
if (array1 instanceof StringArray) {
StringArray stringArray = (StringArray)array1;
StringArray result = new StringArray(size);
result.setTemporary(true);
for (int i = 1; i <= size; ++i) {
String str = stringArray.getString(i);
if (str != null) {
str = replace(str, seq2, seq3, flag);
result.push(str);
} else {
result.push(null);
}
}
return result;
} else if (array1 instanceof ConstArray) {
obj = array1.get(1);
String str = null;
if (obj instanceof String) {
str = replace((String)obj, seq2, seq3, flag);
} else if (obj != null) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
return new ConstArray(str, size);
} else {
StringArray result = new StringArray(size);
result.setTemporary(true);
for (int i = 1; i <= size; ++i) {
obj = array1.get(i);
String str = null;
if (obj instanceof String) {
str = replace((String)obj, seq2, seq3, flag);
} else if (obj != null) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
result.push(str);
}
return result;
}
} else {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
} else {
StringArray result = new StringArray(size);
result.setTemporary(true);
for (int i = 1; i <= size; ++i) {
Object obj = array1.get(i);
String str = null;
if (obj instanceof String) {
Object obj2 = array2.get(i);
Object obj3 = array3.get(i);
if ((obj2 instanceof String) && (obj3 instanceof String)) {
if (isChars) {
str = replaceChars((String)obj, (String)obj2, (String)obj3);
} else {
str = Sentence.replace((String)obj, 0, (String)obj2, (String)obj3, flag);
}
} else if ((obj2 instanceof Sequence) && (obj3 instanceof Sequence)) {
str = replace((String)obj, (Sequence)obj2, (Sequence)obj3, flag);
} else {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
} else if (obj != null) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
result.push(str);
}
return result;
}
}
/**
* ????signArray??ȡֵΪsign????
* @param ctx
* @param signArray ?б?ʶ????
* @param sign ??ʶ
* @return IArray
*/
public IArray calculateAll(Context ctx, IArray signArray, boolean sign) {
boolean[] signDatas;
if (sign) {
signDatas = signArray.isTrue().getDatas();
} else {
signDatas = signArray.isFalse().getDatas();
}
IArray array1 = exp1.calculateAll(ctx);
IArray array2 = exp2.calculateAll(ctx);
IArray array3 = exp3.calculateAll(ctx);
int size = array1.size();
int flag = Sentence.IGNORE_PARS;
boolean isChars = false;
if (option != null) {
if (option.indexOf('s') != -1) {
isChars = true;
}
if (option.indexOf('q') == -1) {
//??????????ַ?Ҳ??Ҫ?任
flag += Sentence.IGNORE_QUOTE;
}
if (option.indexOf('1') != -1) {
// ֻ?滻??һ??
flag += Sentence.ONLY_FIRST;
}
if (option.indexOf('c') != -1) {
// ???Դ?Сд
flag += Sentence.IGNORE_CASE;
}
if (option.indexOf('w') != -1) {
// ??Ҫ????ƥ??
flag += Sentence.ONLY_PHRASE;
}
} else {
flag += Sentence.IGNORE_QUOTE;
}
if (array2 instanceof ConstArray && array3 instanceof ConstArray) {
Object obj = array2.get(1);
if (obj instanceof String) {
String str2 = (String)obj;
obj = array3.get(1);
if (!(obj instanceof String)) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
String str3 = (String)obj;
if (array1 instanceof StringArray) {
StringArray stringArray = (StringArray)array1;
StringArray result = new StringArray(size);
result.setTemporary(true);
for (int i = 1; i <= size; ++i) {
if (signDatas[i] == false) {
result.pushNull();
continue;
}
String str = stringArray.getString(i);
if (str != null) {
if (isChars) {
str = replaceChars(str, str2, str3);
} else {
str = Sentence.replace(str, 0, str2, str3, flag);
}
result.push(str);
} else {
result.push(null);
}
}
return result;
} else if (array1 instanceof ConstArray) {
obj = array1.get(1);
String str = null;
if (obj instanceof String) {
if (isChars) {
str = replaceChars((String)obj, str2, str3);
} else {
str = Sentence.replace((String)obj, 0, str2, str3, flag);
}
} else if (obj != null) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
return new ConstArray(str, size);
} else {
StringArray result = new StringArray(size);
result.setTemporary(true);
for (int i = 1; i <= size; ++i) {
if (signDatas[i] == false) {
result.pushNull();
continue;
}
obj = array1.get(i);
String str = null;
if (obj instanceof String) {
if (isChars) {
str = replaceChars((String)obj, str2, str3);
} else {
str = Sentence.replace((String)obj, 0, str2, str3, flag);
}
} else if (obj != null) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
result.push(str);
}
return result;
}
} else if (obj instanceof Sequence) {
Sequence seq2 = (Sequence)obj;
obj = array3.get(1);
if (!(obj instanceof Sequence)) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
Sequence seq3 = (Sequence)obj;
if (array1 instanceof StringArray) {
StringArray stringArray = (StringArray)array1;
StringArray result = new StringArray(size);
result.setTemporary(true);
for (int i = 1; i <= size; ++i) {
if (signDatas[i] == false) {
result.pushNull();
continue;
}
String str = stringArray.getString(i);
if (str != null) {
str = replace(str, seq2, seq3, flag);
result.push(str);
} else {
result.push(null);
}
}
return result;
} else if (array1 instanceof ConstArray) {
obj = array1.get(1);
String str = null;
if (obj instanceof String) {
str = replace((String)obj, seq2, seq3, flag);
} else if (obj != null) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
return new ConstArray(str, size);
} else {
StringArray result = new StringArray(size);
result.setTemporary(true);
for (int i = 1; i <= size; ++i) {
if (signDatas[i] == false) {
result.pushNull();
continue;
}
obj = array1.get(i);
String str = null;
if (obj instanceof String) {
str = replace((String)obj, seq2, seq3, flag);
} else if (obj != null) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
result.push(str);
}
return result;
}
} else {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
} else {
StringArray result = new StringArray(size);
result.setTemporary(true);
for (int i = 1; i <= size; ++i) {
if (signDatas[i] == false) {
result.pushNull();
continue;
}
Object obj = array1.get(i);
String str = null;
if (obj instanceof String) {
Object obj2 = array2.get(i);
Object obj3 = array3.get(i);
if ((obj2 instanceof String) && (obj3 instanceof String)) {
if (isChars) {
str = replaceChars((String)obj, (String)obj2, (String)obj3);
} else {
str = Sentence.replace((String)obj, 0, (String)obj2, (String)obj3, flag);
}
} else if ((obj2 instanceof Sequence) && (obj3 instanceof Sequence)) {
str = replace((String)obj, (Sequence)obj2, (Sequence)obj3, flag);
} else {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
} else if (obj != null) {
MessageManager mm = EngineMessage.get();
throw new RQException("replace" + mm.getMessage("function.paramTypeError"));
}
result.push(str);
}
return result;
}
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy