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gezelter |
1290 |
#include "SHAPE.hpp" |
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SHAPE::SHAPE(void) { |
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int i, j; |
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mass = 0.0; |
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for (i=0; i<3; i++) |
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for (j=0; j<3; j++) |
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I[i][j] = 0.0; |
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} |
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SHAPE::~SHAPE(void) { |
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} |
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void SHAPE::getI(double theI[3][3]) { |
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int i, j; |
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for (i=0; i<3; i++) |
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for (j=0; j<3; j++) |
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theI[i][j] = I[i][j]; |
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} |
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void SHAPE::readSHAPEfile(const char *fname) { |
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int lineNum, nTokens; |
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char* eof_test; |
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char* foo; |
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char readLine[500]; |
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SHFunc* shf; |
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shapeFile = fopen(fname, "r"); |
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if (shapeFile == NULL) { |
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printf("Could not open SHAPE file %s\n", fname); |
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exit(-1); |
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} |
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rewind(shapeFile); |
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lineNum = 0; |
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eof_test = fgets( readLine, sizeof(readLine), shapeFile ); |
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lineNum++; |
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if( eof_test == NULL ){ |
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printf("Error in reading SHAPE from SHAPE file at line %d.\n", |
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lineNum ); |
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exit(-1); |
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} |
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// first find the shape name: |
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while( eof_test != NULL ){ |
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// toss comment lines |
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if( readLine[0] != '!' && readLine[0] != '#' ){ |
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nTokens = count_tokens(readLine, " ,;\t"); |
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if (nTokens < 5) { |
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printf("Not enough data on information line in SHAPE file.\n"); |
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exit(-1); |
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} |
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foo = strtok(readLine, " ,;\t"); |
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setType(foo); |
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foo = strtok(NULL, " ,;\t"); |
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mass = atof(foo); |
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foo = strtok(NULL, " ,;\t"); |
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I[0][0] = atof(foo); |
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foo = strtok(NULL, " ,;\t"); |
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I[1][1] = atof(foo); |
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foo = strtok(NULL, " ,;\t"); |
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I[2][2] = atof(foo); |
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break; |
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} |
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eof_test = fgets( readLine, sizeof(readLine), shapeFile ); |
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lineNum++; |
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} |
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findBegin( "ContactFunctions" ); |
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while( eof_test != NULL ){ |
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// toss comment lines |
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if( readLine[0] != '!' && readLine[0] != '#' ){ |
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foo = strtok(readLine, " ,;\t"); |
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if (!strcasecmp(foo, "end")) break; |
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nTokens = count_tokens(readLine, " ,;\t"); |
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if (nTokens != 4) { |
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printf("incorrect number of tokens on sigmaFunc line in SHAPE file\n"); |
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exit(-1); |
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} |
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shf = new SHFunc(); |
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foo = strtok(readLine, " ,;\t"); |
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shf->setL(atoi(foo)); |
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foo = strtok(NULL, " ,;\t"); |
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shf->setM(atoi(foo)); |
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foo = strtok(NULL, " ,;\t"); |
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if (!strcasecmp(foo, "cos")) |
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shf->makeCosFunc(); |
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else { |
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if (!strcasecmp(foo, "sin")) |
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shf->makeSinFunc(); |
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else { |
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printf("unknown function type in shape file!"); |
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exit(-1); |
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} |
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} |
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foo = strtok(NULL, " ,;\t"); |
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shf->setCoefficient(atof(foo)); |
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sigmaFuncs.push_back(shf); |
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} |
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eof_test = fgets( readLine, sizeof(readLine), shapeFile ); |
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} |
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findBegin( "RangeFunctions" ); |
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while( eof_test != NULL ){ |
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// toss comment lines |
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if( readLine[0] != '!' && readLine[0] != '#' ){ |
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foo = strtok(readLine, " ,;\t"); |
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if (!strcasecmp(foo, "end")) break; |
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nTokens = count_tokens(readLine, " ,;\t"); |
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if (nTokens != 4) { |
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printf("incorrect number of tokens on sigmaFunc line in SHAPE file\n"); |
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exit(-1); |
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} |
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shf = new SHFunc(); |
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foo = strtok(readLine, " ,;\t"); |
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shf->setL(atoi(foo)); |
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foo = strtok(NULL, " ,;\t"); |
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shf->setM(atoi(foo)); |
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foo = strtok(NULL, " ,;\t"); |
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if (!strcasecmp(foo, "cos")) |
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shf->makeCosFunc(); |
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else { |
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if (!strcasecmp(foo, "sin")) |
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shf->makeSinFunc(); |
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else { |
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printf("unknown function type in shape file!"); |
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exit(-1); |
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} |
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} |
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foo = strtok(NULL, " ,;\t"); |
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shf->setCoefficient(atof(foo)); |
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sFuncs.push_back(shf); |
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} |
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eof_test = fgets( readLine, sizeof(readLine), shapeFile ); |
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} |
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findBegin( "StrengthFunctions" ); |
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while( eof_test != NULL ){ |
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// toss comment lines |
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if( readLine[0] != '!' && readLine[0] != '#' ){ |
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foo = strtok(readLine, " ,;\t"); |
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if (!strcasecmp(foo, "end")) break; |
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nTokens = count_tokens(readLine, " ,;\t"); |
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if (nTokens != 4) { |
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printf("incorrect number of tokens on sigmaFunc line in SHAPE file\n"); |
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exit(-1); |
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} |
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shf = new SHFunc(); |
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foo = strtok(readLine, " ,;\t"); |
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shf->setL(atoi(foo)); |
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foo = strtok(NULL, " ,;\t"); |
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shf->setM(atoi(foo)); |
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foo = strtok(NULL, " ,;\t"); |
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if (!strcasecmp(foo, "cos")) |
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shf->makeCosFunc(); |
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else { |
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if (!strcasecmp(foo, "sin")) |
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shf->makeSinFunc(); |
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else { |
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printf("unknown function type in shape file!"); |
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exit(-1); |
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} |
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} |
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foo = strtok(NULL, " ,;\t"); |
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shf->setCoefficient(atof(foo)); |
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epsFuncs.push_back(shf); |
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} |
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eof_test = fgets( readLine, sizeof(readLine), shapeFile ); |
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} |
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fclose(shapeFile); |
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} |
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void SHAPE::findBegin( char* startText ){ |
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int foundText = 0; |
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int lineNum; |
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char* the_token; |
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char* eof_test; |
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char readLine[500]; |
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rewind( shapeFile ); |
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lineNum = 0; |
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eof_test = fgets( readLine, sizeof(readLine), shapeFile ); |
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lineNum++; |
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if( eof_test == NULL ){ |
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printf( "Error fast forwarding SHAPE file: file is empty.\n"); |
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exit(-1); |
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} |
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while( !foundText ){ |
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while( eof_test != NULL) { |
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eof_test = fgets( readLine, sizeof(readLine), shapeFile ); |
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lineNum++; |
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} |
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if( eof_test == NULL ){ |
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printf("Error fast forwarding file at line %d: " |
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"file ended unexpectedly.\n", lineNum); |
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exit(-1); |
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} |
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the_token = strtok( readLine, " ,;\t" ); |
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if (!strcasecmp("begin", the_token)) { |
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the_token = strtok( NULL, " ,;\t" ); |
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foundText = !strcmp( startText, the_token ); |
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} |
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if( !foundText ){ |
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eof_test = fgets( readLine, sizeof(readLine), shapeFile ); |
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lineNum++; |
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if (eof_test == NULL) { |
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printf("Error fast forwarding file at line %d: " |
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"file ended unexpectedly.\n", lineNum); |
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exit(-1); |
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} |
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} |
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} |
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} |
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int SHAPE::count_tokens(char *line, char *delimiters) { |
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/* PURPOSE: RETURN A COUNT OF THE NUMBER OF TOKENS ON THE LINE. */ |
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char *working_line; /* WORKING COPY OF LINE. */ |
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int ntokens; /* NUMBER OF TOKENS FOUND IN LINE. */ |
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char *strtok_ptr; /* POINTER FOR STRTOK. */ |
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strtok_ptr= working_line= strdup(line); |
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ntokens=0; |
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while (strtok(strtok_ptr,delimiters)!=NULL) |
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{ |
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ntokens++; |
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strtok_ptr=NULL; |
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} |
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free(working_line); |
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return(ntokens); |
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} |