#include <stdlib.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <stdio.h>
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#include <string.h>
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#include <string.h>
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#include "plot_command.h"
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#include "plot_command.h"
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#define NUM_POINTS 5
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#define NUM_POINTS 5
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#define MAX_INDEX 12
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#define MAX_INDEX 12
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int count_index_num (char *);
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int count_index_num (char *);
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int get_index_names (char [][30] ,char * );
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int get_index_names (char [][30] ,char * );
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void usage (){
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void usage (){
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printf("\nUsage: ./plot in.sv out.eps x_axis_label y_axis_label key_pos \n");
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printf("\nUsage: ./plot in.sv out.eps x_axis_label y_axis_label key_pos \n");
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printf(" in.sv : input file contains the plotting data:\n");
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printf(" in.sv : input file contains the plotting data:\n");
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printf(" \t #name:first_graph_name\n");
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printf(" \t #name:first_graph_name\n");
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printf(" \t first_graph_x1 first_graph_y1 \n \t first_graph_x2 first_graph_y2\n\t . \n\t .\n");
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printf(" \t first_graph_x1 first_graph_y1 \n \t first_graph_x2 first_graph_y2\n\t . \n\t .\n");
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printf(" \t first_graph_xn first_graph_yn \n \n\n");
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printf(" \t first_graph_xn first_graph_yn \n \n\n");
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printf(" \t #name:second_graph_name\n");
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printf(" \t #name:second_graph_name\n");
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printf(" \t second_graph_x1 second_graph_y1 \n \t . \n \t . \n\n");
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printf(" \t second_graph_x1 second_graph_y1 \n \t . \n \t . \n\n");
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printf(" y_axis_label: this label will be shown for y axis data in graph\n");
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printf(" y_axis_label: this label will be shown for y axis data in graph\n");
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printf(" x_axis_label: this label will be shown for x axis data in graph\n");
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printf(" x_axis_label: this label will be shown for x axis data in graph\n");
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printf(" out.eps : output file name\n");
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printf(" out.eps : output file name\n");
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printf(" key_pos : Gnuplot key position. e.g. \"left bottom\"\n");
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printf(" key_pos : Gnuplot key position. e.g. \"left bottom\"\n");
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}
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}
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//int plot(char in_file_name[], char out_file_name[])
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//int plot(char in_file_name[], char out_file_name[])
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int main (int argc, char *argv[])
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int main (int argc, char *argv[])
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{
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{
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printf("argc=%d\n",argc);
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printf("argc=%d\n",argc);
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if(argc!= 6) {usage(); return;}
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if(argc!= 6) {usage(); return 1;}
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char * in_file_name =argv[1];
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char * in_file_name =argv[1];
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char * out_file_name=argv[2];
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char * out_file_name=argv[2];
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char * x_lable =argv[3];
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char * x_lable =argv[3];
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char * y_lable =argv[4];
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char * y_lable =argv[4];
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char * key_pos = argv[5];
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char * key_pos = argv[5];
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int i, index_num;
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int i, index_num;
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char label [MAX_INDEX][30];
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char label [MAX_INDEX][30];
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for (i=0; i<MAX_INDEX; i++) sprintf(label [i],"Index%u",i);
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for (i=0; i<MAX_INDEX; i++) sprintf(label [i],"Index%u",i);
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char plot_cmd[3000]={};
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char plot_cmd[3000]={};
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// double xvals[NUM_POINTS] = {1.0, 2.0, 3.0, 4.0, 5.0};
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// double xvals[NUM_POINTS] = {1.0, 2.0, 3.0, 4.0, 5.0};
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// double yvals[NUM_POINTS] = {5.0 ,3.0, 1.0, 3.0, 5.0};
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// double yvals[NUM_POINTS] = {5.0 ,3.0, 1.0, 3.0, 5.0};
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//FILE * temp = fopen("data.temp", "w");
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//FILE * temp = fopen("data.temp", "w");
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/*Opens an interface that one can use to send commands as if they were typing into the
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/*Opens an interface that one can use to send commands as if they were typing into the
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* gnuplot command line. "The -persistent" keeps the plot open even after your
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* gnuplot command line. "The -persistent" keeps the plot open even after your
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* C program terminates.
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* C program terminates.
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*/
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*/
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FILE * pipe = popen ("gnuplot -persistent", "w");
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FILE * pipe = popen ("gnuplot -persistent", "w");
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index_num=count_index_num (in_file_name);
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index_num=count_index_num (in_file_name);
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if(index==0)return 1;
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//if(index==0)return 1;
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if(get_index_names(label,in_file_name)) return 1;
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if(get_index_names(label,in_file_name)) return 1;
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// sprintf(plot_cmd,"plot '%s' index 0 with linespoints ls 1 title '%s', \"\" index 1 with linespoints ls 2 title '%s', \"\" index 2 with linespoints ls 3 title '%s', \"\" index 3 with linespoints ls 4 title '%s'",in_file_name,label1,label2,label3,label4);
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// sprintf(plot_cmd,"plot '%s' index 0 with linespoints ls 1 title '%s', \"\" index 1 with linespoints ls 2 title '%s', \"\" index 2 with linespoints ls 3 title '%s', \"\" index 3 with linespoints ls 4 title '%s'",in_file_name,label1,label2,label3,label4);
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sprintf(plot_cmd,"plot '%s' index 0 with linespoints ls 1 title '%s'", in_file_name,label[1]);
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sprintf(plot_cmd,"plot '%s' index 0 with linespoints ls 1 title '%s'", in_file_name,label[1]);
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for (i=1; i < index_num; i++){
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for (i=1; i < index_num; i++){
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sprintf(plot_cmd,"%s , \"\" index %d with linespoints ls %d title '%s' ",plot_cmd,i,i+1,label[i+1]);
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sprintf(plot_cmd,"%s , \"\" index %d with linespoints ls %d title '%s' ",plot_cmd,i,i+1,label[i+1]);
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}
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}
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i=0;
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i=0;
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while (commandsForGnuplot[i]!=NULL)
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while (commandsForGnuplot[i]!=NULL)
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{
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{
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fprintf(pipe, "%s \n", commandsForGnuplot[i]); //Send commands to gnuplot one by one.
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fprintf(pipe, "%s \n", commandsForGnuplot[i]); //Send commands to gnuplot one by one.
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i++;
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i++;
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}
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}
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//set ylable title
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//set ylable title
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fprintf(pipe, "set ylabel \"%s\"\n ",y_lable);
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fprintf(pipe, "set ylabel \"%s\"\n ",y_lable);
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fprintf(pipe, "set xlabel \"%s\"\n ",x_lable);
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fprintf(pipe, "set xlabel \"%s\"\n ",x_lable);
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fprintf(pipe, "set key %s \n",key_pos);
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fprintf(pipe, "set key %s \n",key_pos);
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fprintf(pipe, "%s \n",plot_cmd);
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fprintf(pipe, "%s \n",plot_cmd);
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fflush(pipe);
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fflush(pipe);
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fclose(pipe);
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fclose(pipe);
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rename("temp.eps",out_file_name);
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rename("temp.eps",out_file_name);
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return 0;
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return 0;
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}
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}
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typedef enum { false = 0, true } bool;
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typedef enum { false = 0, true } bool;
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bool isEmptyLine(const char *s) {
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bool isEmptyLine(const char *s) {
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static const char *emptyline_detector = " \t\n";
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static const char *emptyline_detector = " \t\n";
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return strspn(s, emptyline_detector) == strlen(s);
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return strspn(s, emptyline_detector) == strlen(s);
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}
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}
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int count_index_num (char * file_name){
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int count_index_num (char * file_name){
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FILE * in;
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FILE * in;
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char line [1000];
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char line [1000];
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int index =1;
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int index =1;
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bool last_result = false;
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bool last_result = false;
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in= fopen (file_name,"r");
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in= fopen (file_name,"r");
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if(in==NULL){printf ("Error: failed to open %s file in read mode\n",file_name); return 0;}
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if(in==NULL){printf ("Error: failed to open %s file in read mode\n",file_name); return 0;}
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while (fgets ( line, sizeof line, in )!=NULL){
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while (fgets ( line, sizeof line, in )!=NULL){
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if ( isEmptyLine(line) == false && last_result == true ) index++;
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if ( isEmptyLine(line) == false && last_result == true ) index++;
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last_result = isEmptyLine(line);
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last_result = isEmptyLine(line);
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//printf("%d\t\t %s\n",index,line);
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//printf("%d\t\t %s\n",index,line);
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}
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}
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fclose(in);
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fclose(in);
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return index;
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return index;
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}
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}
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char out[100];
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char out[100];
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char * check_format(char * ch){
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char * check_format(char * ch){
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int i =0;
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int i =0;
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while((*ch)!= 0){
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while((*ch)!= 0){
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if((*ch)=='_') {out[i]= '\\'; i++;}
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if((*ch)=='_') {out[i]= '\\'; i++;}
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out[i] = *ch;
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out[i] = *ch;
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ch++;
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ch++;
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i++;
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i++;
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}
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}
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out[i] = 0;
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out[i] = 0;
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return out;
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return out;
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}
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}
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int get_index_names (char label[MAX_INDEX][30] ,char * file_name){
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int get_index_names (char label[MAX_INDEX][30] ,char * file_name){
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FILE * in;
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FILE * in;
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char line [1000];
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char line [1000];
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char * ch;
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char * ch;
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in= fopen (file_name,"r");
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in= fopen (file_name,"r");
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if(in==NULL){printf ("Error: failed to open %s file in read mode\n",file_name); return 1;}
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if(in==NULL){printf ("Error: failed to open %s file in read mode\n",file_name); return 1;}
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int index =1;
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int index =1;
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while (fgets ( line, sizeof line, in )!=NULL){
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while (fgets ( line, sizeof line, in )!=NULL){
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if(strncmp(line,"#name:",6)==0) {
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if(strncmp(line,"#name:",6)==0) {
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ch=strtok(line,":");
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ch=strtok(line,":");
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ch=strtok(NULL,"\n");
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ch=strtok(NULL,"\n");
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ch = check_format(ch);
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ch = check_format(ch);
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//strcpy(label[index],ch);
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//strcpy(label[index],ch);
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sprintf(label[index],"%s",ch);
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sprintf(label[index],"%s",ch);
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index++;
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index++;
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}
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}
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}
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}
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fclose(in);
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fclose(in);
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return 0;
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return 0;
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}
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}
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