IDC资讯中心
import java.util.*;
import java.io.*;
public class java2html
{
private static boolean comment=false;
private static boolean linecomment=false;
private static boolean start = true;
private static boolean end = false;
private static boolean backslash=false;
private static boolean stringlit = false;
private static boolean stringlit2 = false;
private static int tabwidth = 0;
private static string tab=” “;
private static collection varlist = new arraylist();
private static stringbuffer out = new stringbuffer();
private static collection primitives = new arraylist();
static
{
string[] primstring =
{“int”,”integer”, “byte”,”byte”, “boolean”,”boolean”, “short”, “short”, “long”, “long”, “char”, “character”, “float”, “float”, “double”, “double”, “string”, “void”,”stringbuffer”,”collection”};
for(int i=0; i<primstring.length; i++)
primitives.add(primstring[i]);
}
private static collection operators = new arraylist();
static
{
string[] operstring =
{“=”, “>”, “<“, “!”, “~”, “?”, “:”, “==”, “<=”, “>=”, “!=”, “&&”, “||”, “++”, “–“, “+”, “-“, “*”, “/”, “&”, “|”, “^”, “%”, “>>”, “<<“, “>>>”, “+=”, “-=”, “*=”, “/=”, “&=”, “|=”, “^=”, “%=”, “<<=”, “>>=”, “<<<“};
for(int i=0; i<operstring.length; i++)
operators.add(operstring[i]);
}
private static collection string = new arraylist();
static
{
string[] stringstring =
{“\””};
for(int i=0; i<stringstring.length; i++)
string.add(stringstring[i]);
}
private static collection flow = new arraylist();
static
{
string[] flowstring =
{“true” , “false” , “null” , “import”};
for(int i=0; i<flowstring.length; i++)
flow.add(flowstring[i]);
}
private static collection reswords = new arraylist();
static
{
string[] reswstring =
{“private”, “static”, “new”, “public”, “final”, “class”, “this”, “synchronized”, “native”, “package”, “if”, “then”, “else”, “finally”, “switch”, “do”, “while”, “case”, “default”, “return”, “break”, “continue”, “throw”, “throws”, “catch”, “try”, “for”,”protected”};
for(int i=0; i<reswstring.length; i++)
reswords.add(reswstring[i]);
}
private static void java2html(string filename)
{ }
public static void tabincrease(boolean up)
{
//prcomment(start);out.append(“tabs”);prcomment(end);
if(up)
{
tabwidth++;
} else
{
tabwidth–;
}
tab=” “;
for(int i=tabwidth; i>0; i–)
{
tab = tab+” ”;
}
}
public static void prtitle(string str)
{
out.append(“<title>” + str + “</title>”);
out.append(“\n”);
}
public static void prprimitive(string str)
{
if (comment || linecomment)
{
prjcomment(str);
} else if (stringlit)
{
prstringlit(str);
} else
{
out.append(“<b><font color=red>” + str + “</font></b>”);
out.append(“\n”);
}
}
public static void prvar(string str)
{
if (comment || linecomment)
{
prjcomment(str);
} else if (stringlit)
{
prstringlit(str);
} else
{
out.append(“<font color=red>” + str + “</font>”);
out.append(“\n”);
}
}
public static void prflow(string str)
{
if (comment || linecomment)
{
prjcomment(str);
} else if (stringlit)
{
prstringlit(str);
} else
{
out.append(“<b><font color=black>” + str + “</font></b>”);
out.append(“\n”);
}
}
public static void prresword(string str)
{
if (comment || linecomment)
{
prjcomment(str);
} else if (stringlit)
{
prstringlit(str);
} else
{
out.append(“<b><font color=black>” + str + “</font></b>”);
out.append(“\n”);
}
}
public static void prnormal(string str)
{
if (comment || linecomment)
{
prjcomment(str);
} else if (stringlit)
{
prstringlit(str);
} else
{
out.append(str);
out.append(“\n”);
}
}
public static void prjcomment(string str)
{
out.append(“<font color=#888888>” + str + “</font>”);
out.append(“\n”);
}
public static void properator(string str)
{
if (comment || linecomment)
{
prjcomment(str);
} else if (stringlit)
{
prstringlit(str);
} else
{
out.append(“<font color=black>” + str + “</font>\n”);
}
}
public static void prnumber(string str)
{
if (comment || linecomment)
{
prjcomment(str);
} else if (stringlit)
{
prstringlit(str);
} else
{
out.append(“<font color=blue>” + str + “</font>\n”);
}
}
public static void prstringlit(string str)
{
out.append(str +”\n”);
}
public static void prhead(boolean start)
{
if(start)
{
out.append(“<head>”);
out.append(“\n”);
} else
{
out.append(“</head>”);
out.append(“\n”);
}
}
public static void prbody(boolean start)
{
if (start)
{
out.append(“<body bgcolor=white color=red>”);
out.append(“\n”);
out.append(“<tt><font color=red>”);
out.append(“\n”);
} else
{
out.append(“</font></tt>”);
out.append(“\n”);
out.append(“</body>”);
out.append(“\n”);
}
}
public static void prcomment(boolean start)
{
if(start)
{
out.append(“<!–“);
out.append(“\n”);
} else
{
out.append(“–>”);
out.append(“\n”);
}
}
public static void prhtml(boolean start)
{
if(start)
{
out.append(“<html>”);
out.append(“\n”);
} else
{
out.append(“</html>”);
out.append(“\n”);
}
}
public static void prbr(boolean start)
{
if(start)
{
out.append(“<br>”);
out.append(“\n”);
} else
{
out.append(“<br>”);
out.append(“\n”);
}
out.append(tab);
}
public static void prp(boolean start)
{
if(start)
{
out.append(“<p>”);
out.append(“\n”);
} else
{
out.append(“</p>”);
out.append(“\n”);
}
}
public static void prtable(boolean start)
{
if(start)
{
out.append(“<table>”);
out.append(“\n”);
} else
{
out.append(“</table>”);
out.append(“\n”);
}
}
public static void prtr(boolean start)
{
if(start)
{
out.append(“<tr>”);
out.append(“\n”);
} else
{
out.append(“</tr>”);
out.append(“\n”);
}
}
public static void prtd(boolean start)
{
if(start)
{
out.append(“<td>”);
out.append(“\n”);
} else
{
out.append(“</td>”);
out.append(“\n”);
}
}
public static void prstringone(boolean start)
{
if (comment || linecomment)
{
prjcomment(“\”);
} else if(start)
{
out.append(“<font color=green>\\n”);
stringlit=true;
} else
{
out.append(“\</font>\n”);
stringlit=false;
}
}
public static void prstringtwo(boolean start)
{
if (comment || linecomment)
{
prjcomment(“\””);
} else if(start)
{
out.append(“<font color=green>\”\n”);
stringlit=true;
stringlit2=true;
} else
{
out.append(“\”</font>\n”);
stringlit=false;
stringlit2=false;
}
}
public static void main(string[] args)
{
if (args.length<2)
{
system.out.println(“\n错误：参数不足！”);
system.out.println(“java2html [源文件] [将生成文件名]”);
}
else
{
fileinputstream file;
streamtokenizer st;
string htmlfile = args[1];
boolean isvar=false;
puthtml puthtml = new puthtml();
boolean firstofcomment=false;
int b = 8;
int a = 10 / b;
try
{
file = new fileinputstream(args[0]);
reader r = new bufferedreader(new inputstreamreader(file));
st = new streamtokenizer(r);
st.eolissignificant(true);
st.ordinarychar(\”);
st.ordinarychar(/);
st.ordinarychar(\\);
st.ordinarychar(.);
st.ordinarychar(\);
prhtml(start);
prhead(start);
prtitle(args[0]);
prhead(end);
prbody(start);
while(st.nexttoken() != streamtokenizer.tt_eof)
{
switch(st.ttype)
{
case streamtokenizer.tt_word:
if(firstofcomment)
{
if((!comment && !linecomment)) properator(“/”);
}
firstofcomment=false;
if(primitives.contains(st.sval))
{
prprimitive(st.sval);
isvar=true;
backslash=false;
break;
}
if(flow.contains(st.sval))
{
isvar=false;
prnumber(st.sval);
backslash=false;
break;
}
if(reswords.contains(st.sval))
{
isvar=false;
prresword(st.sval);
backslash=false;
break;
}
if(varlist.contains(st.sval))
{
isvar=false;
prvar(st.sval);
backslash=false;
break;
}
if(isvar && !(varlist.contains(st.sval)))
{
varlist.add(st.sval);
prvar(st.sval);
} else
{
prnormal(st.sval);
}
backslash=false;
break;
case streamtokenizer.tt_eol:
isvar=false;
if(firstofcomment)
{
properator(“/”);
firstofcomment=false;
}
firstofcomment=false;
linecomment=false;
prbr(start);
backslash=false;
break;
case streamtokenizer.tt_number:
isvar=false;
if(firstofcomment)
{
properator(“/”);
firstofcomment=false;
}
firstofcomment=false;
if(string.valueof((char)st.ttype).equals(“.”))
{
prflow(“.”);
backslash=false;
break;
}
prnumber(new double(st.nval).tostring());
backslash=false;
break;
default:
isvar=false;
if(operators.contains(string.valueof((char)st.ttype)))
{
if (firstofcomment)
{
if (comment)
{
//there has been a star, waiting for slash
if (string.valueof((char)st.ttype).equals(“/”))
{
firstofcomment=false;
prjcomment(“*/”);
comment=false;
backslash=false;
firstofcomment=false;
break;
} else firstofcomment=false;
} else
{
//there has been a slash, waiting for slash or star
if (string.valueof((char)st.ttype).equals(“/”))
{
if (!stringlit)
{
linecomment=true;
prjcomment(“//”);
} else
{
linecomment=false;
prnormal(“//”);
}
firstofcomment=false;
comment=false;
backslash=false;
break;
} else if (string.valueof((char)st.ttype).equals(“*”))
{
if (!stringlit)
{
comment=true;
prjcomment(“/*”);
} else
{
comment=false;
prnormal(“/*”);
}
firstofcomment=false;
linecomment=false;
backslash=false;
break;
} else
{
firstofcomment=false;
if (!linecomment) properator(“/”);
properator(string.valueof((char)st.ttype));
backslash=false;
break;
}
}
} else
{
if (comment)
{
//waiting for star
if (string.valueof((char)st.ttype).equals(“*”))
{
firstofcomment=true;
backslash=false;
break;
} else firstofcomment=false;
} else
{
//waiting for slash
if (string.valueof((char)st.ttype).equals(“/”))
{
firstofcomment=true;
backslash=false;
break;
} else
{
firstofcomment=false;
properator(string.valueof((char)st.ttype));
backslash=false;
break;
}
}
}
}
if(string.valueof((char)st.ttype).equals(“\””))
{
if(firstofcomment)
{
if (!(comment || linecomment)) properator(“/”);
firstofcomment=false;
}
if (!backslash) prstringtwo(!stringlit);
else prnormal(“\””);
backslash=false;
break;
}
if(string.valueof((char)st.ttype).equals(“\\”))
{
if(firstofcomment)
{
properator(“/”);
firstofcomment=false;
}
prnormal(“\\”);
backslash=!backslash;
break;
}
if(string.valueof((char)st.ttype).equals(“\”))
{
if(firstofcomment)
{
properator(“/”);
firstofcomment=false;
}
if (!backslash && !stringlit2) prstringone(!stringlit);
else prnormal(“\”);
backslash=false;
break;
}
if(string.valueof((char)st.ttype).equals(“;”))
{
if(firstofcomment)
{
properator(“/”);
firstofcomment=false;
}
prflow(“;”);
backslash=false;
break;
}
if(string.valueof((char)st.ttype).equals(“,”))
{
if(firstofcomment)
{
properator(“/”);
firstofcomment=false;
}
prflow(“,”);
backslash=false;
break;
}
if(string.valueof((char)st.ttype).equals(“.”))
{
if(firstofcomment)
{
properator(“/”);
firstofcomment=false;
}
prflow(“.”);
backslash=false;
break;
}
if(string.valueof((char)st.ttype).equals(“)”))
{
if(firstofcomment)
{
properator(“/”);
firstofcomment=false;
}
prflow(“)”);
backslash=false;
break;
}
if(string.valueof((char)st.ttype).equals(“(“))
{
if(firstofcomment)
{
properator(“/”);
firstofcomment=false;
}
prflow(“(“);
backslash=false;
break;
}
if(string.valueof((char)st.ttype).equals(“]”))
{
if(firstofcomment)
{
properator(“/”);
firstofcomment=false;
}
prflow(“]”);
backslash=false;
break;
}
if(string.valueof((char)st.ttype).equals(“[“))
{
if(firstofcomment)
{
properator(“/”);
firstofcomment=false;
}
prflow(“[“);
backslash=false;
break;
}
if(string.valueof((char)st.ttype).equals(“{“))
{
if(firstofcomment)
{
properator(“/”);
firstofcomment=false;
}
tabincrease(true);
prflow(“{“);
backslash=false;
break;
}
if(string.valueof((char)st.ttype).equals(“}”))
{
if(firstofcomment)
{
properator(“/”);
firstofcomment=false;
}
tabincrease(false);
if (out.substring(out.length()-24).equals(“ ”))
{
out.delete(out.length()-24,out.length());
}
prflow(“}”);
backslash=false;
break;
}
prnormal(string.valueof((char)st.ttype));
backslash=false;
break;
}
}
prbody(end);
prhtml(end);
} catch (filenotfoundexception e)
{
system.out.println(“could not find the file: ” + args[0]);
} catch (ioexception e)
{
e.printstacktrace();
} catch (arrayindexoutofboundsexception e)
{
system.out.println(“there is no input file”);
}
if(puthtml.put(htmlfile,out.tostring()))
{
system.out.println(“成功生成”+htmlfile+”文件”);
}
else
{
system.out.println(“生成”+htmlfile+”文件失败”);
}
}
}
}
class puthtml
{
boolean put(string filename , string filebody)
{
boolean returnmessage = false;
string file = filename;
try
{
printwriter pw = new printwriter(new fileoutputstream(file));
pw.println(filebody);
pw.close();
returnmessage = true ;
} catch(ioexception e)
{
returnmessage = false;
}
return returnmessage;
}
}
