src/utils/StringUtils.cpp

#include "utils/StringUtils.hpp"

using namespace std;

namespace oopse {
string UpperCase(const string& S) {
  string uc = S;
  unsigned int n = uc.size();
  for (unsigned int j = 0; j < n; j++) {   
    char sj = uc[j];
    if (sj >= 'a' && sj <= 'z') uc[j] = (char)(sj - ('a' - 'A'));
  }
  return uc;
}

string LowerCase(const string& S) {
  string lc = S;
  unsigned int n = lc.size();
  for (unsigned int j = 0; j < n; j++) {
    char sj = lc[j];
    if (sj >= 'A' && sj <= 'Z') lc[j] = (char)(sj + ('a' - 'A'));
  }
  return lc;
}

char* trimSpaces(char *str) {
  size_t len;
  char *right, *left;

  if (strlen(str) == 0) return(str);
  
  /* Trim whitespace from left side */
  for (left = str; isspace(*left); left++);

  /* Trim whitespace from right side */
  if ((len = strlen(left)))
    {
      right = left + (len - 1);
      
      while (isspace(*right))
        {
          *right = '\0';
          right--;
        }
    }

  /* Only do the str copy if there were spaces to the left */
  if (left != str)
    strcpy(str, left);
  
  return (str);
}

int findBegin(istream &theStream, char* startText ){
  const int MAXLEN = 1024;
  char readLine[MAXLEN];   
  int foundText = 0;
  int lineNum;
  char* the_token;
  char* eof_test;

  // rewind the stream
  theStream.seekg (0, ios::beg);
  lineNum = 0;
  
  if (!theStream.eof()) {
    theStream.getline(readLine, MAXLEN);
    lineNum++;
  } else {
    printf( "Error fast forwarding stream: stream is empty.\n");
    return -1;
  }
  
  while ( !foundText ) {
    
    if (theStream.eof()) {
      printf("Error fast forwarding stream at line %d: "
             "stream ended unexpectedly.\n", lineNum);
      return -1;
    }
    
    the_token = strtok( readLine, " ,;\t" );
    if ( the_token != NULL)
      if (!strcasecmp("begin", the_token)) {
        the_token = strtok( NULL, " ,;\t" );
        if ( the_token != NULL){
          foundText = !strcasecmp( startText, the_token );
        }
      }
    
    if (!foundText) {
      if (!theStream.eof()) {
        theStream.getline(readLine, MAXLEN);
        lineNum++;
      } else {
        printf( "Error fast forwarding stream at line %d: "
                "stream ended unexpectedly.\n", lineNum);
        return -1;
      }
    }
  }
  return lineNum;
}

int countTokens(char *line, char *delimiters) {
  /* PURPOSE: RETURN A COUNT OF THE NUMBER OF TOKENS ON THE LINE. */
  
  char *working_line;   /* WORKING COPY OF LINE. */
  int ntokens;          /* NUMBER OF TOKENS FOUND IN LINE. */
  char *strtok_ptr;     /* POINTER FOR STRTOK. */

  strtok_ptr= working_line= strdup(line);

  ntokens=0;
  while (strtok(strtok_ptr,delimiters)!=NULL)
    {
      ntokens++;
      strtok_ptr=NULL;
    }

  free(working_line);
  return(ntokens);
}

int isEndLine(char *line) {
  char *working_line;
  char *foo;
  
  working_line = strdup(line);
  
  foo = strtok(working_line, " ,;\t");

  if (foo != NULL) {

    if (!strcasecmp(foo, "end")) return 1;

  }
 
 return 0;
}

}
Revision:	1792
Committed:	Mon Nov 29 17:59:56 2004 UTC (19 years, 7 months ago) by tim
File size:	2965 byte(s)
Log Message:	add Trim Algorithm for std::string
#	User	Rev	Content
1	tim	1492	#include "utils/StringUtils.hpp"
2	gezelter	1490
3	gezelter	1590	using namespace std;
4
5	gezelter	1614	namespace oopse {
6	gezelter	1490	string UpperCase(const string& S) {
7			string uc = S;
8			unsigned int n = uc.size();
9			for (unsigned int j = 0; j < n; j++) {
10			char sj = uc[j];
11			if (sj >= 'a' && sj <= 'z') uc[j] = (char)(sj - ('a' - 'A'));
12			}
13			return uc;
14			}
15
16			string LowerCase(const string& S) {
17			string lc = S;
18			unsigned int n = lc.size();
19			for (unsigned int j = 0; j < n; j++) {
20			char sj = lc[j];
21			if (sj >= 'A' && sj <= 'Z') lc[j] = (char)(sj + ('a' - 'A'));
22			}
23			return lc;
24			}
25	gezelter	1590
26	chrisfen	1598	char* trimSpaces(char *str) {
27			size_t len;
28			char right, left;
29
30			if (strlen(str) == 0) return(str);
31
32			/* Trim whitespace from left side */
33			for (left = str; isspace(*left); left++);
34
35			/* Trim whitespace from right side */
36			if ((len = strlen(left)))
37			{
38			right = left + (len - 1);
39
40			while (isspace(*right))
41			{
42			*right = '\0';
43			right--;
44			}
45			}
46
47			/* Only do the str copy if there were spaces to the left */
48			if (left != str)
49			strcpy(str, left);
50
51			return (str);
52			}
53
54			int findBegin(istream &theStream, char* startText ){
55	gezelter	1590	const int MAXLEN = 1024;
56			char readLine[MAXLEN];
57			int foundText = 0;
58			int lineNum;
59			char* the_token;
60			char* eof_test;
61
62			// rewind the stream
63			theStream.seekg (0, ios::beg);
64			lineNum = 0;
65
66			if (!theStream.eof()) {
67			theStream.getline(readLine, MAXLEN);
68			lineNum++;
69			} else {
70			printf( "Error fast forwarding stream: stream is empty.\n");
71			return -1;
72			}
73
74			while ( !foundText ) {
75
76			if (theStream.eof()) {
77			printf("Error fast forwarding stream at line %d: "
78			"stream ended unexpectedly.\n", lineNum);
79			return -1;
80			}
81	chrisfen	1598
82	gezelter	1590	the_token = strtok( readLine, " ,;\t" );
83	chrisfen	1598	if ( the_token != NULL)
84	gezelter	1600	if (!strcasecmp("begin", the_token)) {
85	chrisfen	1598	the_token = strtok( NULL, " ,;\t" );
86			if ( the_token != NULL){
87	gezelter	1600	foundText = !strcasecmp( startText, the_token );
88	chrisfen	1598	}
89			}
90
91	gezelter	1590	if (!foundText) {
92			if (!theStream.eof()) {
93			theStream.getline(readLine, MAXLEN);
94			lineNum++;
95			} else {
96			printf( "Error fast forwarding stream at line %d: "
97			"stream ended unexpectedly.\n", lineNum);
98	chrisfen	1598	return -1;
99	gezelter	1590	}
100			}
101			}
102			return lineNum;
103			}
104
105			int countTokens(char line, char delimiters) {
106			/* PURPOSE: RETURN A COUNT OF THE NUMBER OF TOKENS ON THE LINE. */
107
108			char working_line; / WORKING COPY OF LINE. */
109			int ntokens; /* NUMBER OF TOKENS FOUND IN LINE. */
110			char strtok_ptr; / POINTER FOR STRTOK. */
111
112			strtok_ptr= working_line= strdup(line);
113
114			ntokens=0;
115			while (strtok(strtok_ptr,delimiters)!=NULL)
116			{
117			ntokens++;
118			strtok_ptr=NULL;
119			}
120
121			free(working_line);
122			return(ntokens);
123			}
124
125			int isEndLine(char *line) {
126			char *working_line;
127			char *foo;
128
129			working_line = strdup(line);
130
131			foo = strtok(working_line, " ,;\t");
132
133	gezelter	1600	if (foo != NULL) {
134
135			if (!strcasecmp(foo, "end")) return 1;
136
137			}
138	gezelter	1590
139			return 0;
140			}
141	tim	1792
142	gezelter	1614	}