diff options
author | Bruce Momjian <bruce@momjian.us> | 2001-02-13 16:14:40 +0000 |
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committer | Bruce Momjian <bruce@momjian.us> | 2001-02-13 16:14:40 +0000 |
commit | 934c5b841edb9fda9ef3d25196c3adaef6cdb935 (patch) | |
tree | d0dbf485aafc10b26ae14e48b678c77dede35ab6 /src/interfaces/jdbc/postgresql/util/PGtokenizer.java | |
parent | 730d1c0dd070055a17358f87ca463979d7e40eec (diff) |
Remove postgresql jdbc files, per Peter Mount.
Diffstat (limited to 'src/interfaces/jdbc/postgresql/util/PGtokenizer.java')
-rw-r--r-- | src/interfaces/jdbc/postgresql/util/PGtokenizer.java | 197 |
1 files changed, 0 insertions, 197 deletions
diff --git a/src/interfaces/jdbc/postgresql/util/PGtokenizer.java b/src/interfaces/jdbc/postgresql/util/PGtokenizer.java deleted file mode 100644 index 0d075968916..00000000000 --- a/src/interfaces/jdbc/postgresql/util/PGtokenizer.java +++ /dev/null @@ -1,197 +0,0 @@ -package postgresql.util; - -import java.sql.*; -import java.util.*; - -/** - * This class is used to tokenize the text output of postgres. - * - * <p>It's mainly used by the geometric classes, but is useful in parsing any - * output from custom data types output from postgresql. - * - * @see postgresql.geometric.PGbox - * @see postgresql.geometric.PGcircle - * @see postgresql.geometric.PGlseg - * @see postgresql.geometric.PGpath - * @see postgresql.geometric.PGpoint - * @see postgresql.geometric.PGpolygon - */ -public class PGtokenizer -{ - // Our tokens - protected Vector tokens; - - /** - * Create a tokeniser. - * - * <p>We could have used StringTokenizer to do this, however, we needed to - * handle nesting of '(' ')' '[' ']' '<' and '>' as these are used - * by the geometric data types. - * - * @param string containing tokens - * @param delim single character to split the tokens - */ - public PGtokenizer(String string,char delim) - { - tokenize(string,delim); - } - - /** - * This resets this tokenizer with a new string and/or delimiter. - * - * @param string containing tokens - * @param delim single character to split the tokens - */ - public int tokenize(String string,char delim) - { - tokens = new Vector(); - - // nest holds how many levels we are in the current token. - // if this is > 0 then we don't split a token when delim is matched. - // - // The Geometric datatypes use this, because often a type may have others - // (usualls PGpoint) imbedded within a token. - // - // Peter 1998 Jan 6 - Added < and > to the nesting rules - int nest=0,p,s; - - for(p=0,s=0;p<string.length();p++) { - char c = string.charAt(p); - - // increase nesting if an open character is found - if(c == '(' || c == '[' || c == '<') - nest++; - - // decrease nesting if a close character is found - if(c == ')' || c == ']' || c == '>') - nest--; - - if(nest==0 && c==delim) { - tokens.addElement(string.substring(s,p)); - s=p+1; // +1 to skip the delimiter - } - - } - - // Don't forget the last token ;-) - if(s<string.length()) - tokens.addElement(string.substring(s)); - - return tokens.size(); - } - - /** - * @return the number of tokens available - */ - public int getSize() - { - return tokens.size(); - } - - /** - * @param n Token number ( 0 ... getSize()-1 ) - * @return The token value - */ - public String getToken(int n) - { - return (String)tokens.elementAt(n); - } - - /** - * This returns a new tokenizer based on one of our tokens. - * - * The geometric datatypes use this to process nested tokens (usually - * PGpoint). - * - * @param n Token number ( 0 ... getSize()-1 ) - * @param delim The delimiter to use - * @return A new instance of PGtokenizer based on the token - */ - public PGtokenizer tokenizeToken(int n,char delim) - { - return new PGtokenizer(getToken(n),delim); - } - - /** - * This removes the lead/trailing strings from a string - * @param s Source string - * @param l Leading string to remove - * @param t Trailing string to remove - * @return String without the lead/trailing strings - */ - public static String remove(String s,String l,String t) - { - if(s.startsWith(l)) s = s.substring(l.length()); - if(s.endsWith(t)) s = s.substring(0,s.length()-t.length()); - return s; - } - - /** - * This removes the lead/trailing strings from all tokens - * @param l Leading string to remove - * @param t Trailing string to remove - */ - public void remove(String l,String t) - { - for(int i=0;i<tokens.size();i++) { - tokens.setElementAt(remove((String)tokens.elementAt(i),l,t),i); - } - } - - /** - * Removes ( and ) from the beginning and end of a string - * @param s String to remove from - * @return String without the ( or ) - */ - public static String removePara(String s) - { - return remove(s,"(",")"); - } - - /** - * Removes ( and ) from the beginning and end of all tokens - * @return String without the ( or ) - */ - public void removePara() - { - remove("(",")"); - } - - /** - * Removes [ and ] from the beginning and end of a string - * @param s String to remove from - * @return String without the [ or ] - */ - public static String removeBox(String s) - { - return remove(s,"[","]"); - } - - /** - * Removes [ and ] from the beginning and end of all tokens - * @return String without the [ or ] - */ - public void removeBox() - { - remove("[","]"); - } - - /** - * Removes < and > from the beginning and end of a string - * @param s String to remove from - * @return String without the < or > - */ - public static String removeAngle(String s) - { - return remove(s,"<",">"); - } - - /** - * Removes < and > from the beginning and end of all tokens - * @return String without the < or > - */ - public void removeAngle() - { - remove("<",">"); - } -} |