kopia lustrzana https://github.com/f4exb/sdrangel
102 wiersze
2.7 KiB
C++
102 wiersze
2.7 KiB
C++
/*
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The purpose of this file is to extract interfaces from the WDSP source code.
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The interfaces have the following form:
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PORT blabla
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firstline
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secondline
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{
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where there may be an arbitrary number of lines between the line
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containing "PORT" and the line starting with "{". This has to be
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converted to
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extern blabla firstline
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secondline;
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That is, the first line is prepended by "extern", and the last line is closed
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with a semicolon. Comments starting with '//' are omitted, and lines starting
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with '//' are ignored.
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*/
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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void trimm(char *line, size_t maxlen);
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int main(int argc, char **argv)
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{
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FILE *infile;
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int i;
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int first_in_file;
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int first_in_decl;
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char line[1000];
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size_t linesize=999;
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char *buffer=line;
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for (i=1; i<argc; i++) {
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infile=fopen(argv[i],"r");
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if (infile == NULL) continue;
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first_in_file=1;
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for (;;) {
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if (getline(&buffer, &linesize, infile) < 0) break;
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trimm(line, linesize);
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if (strncmp(line,"PORT", 4) != 0) continue;
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// found an interface
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if (first_in_file) {
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printf("\n//\n// Interfaces from %s\n//\n\n", argv[i]);
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first_in_file=0;
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}
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if (strlen(line) >4) {
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printf("extern %s ", line+4);
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} else {
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printf("extern ");
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}
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first_in_decl=1;
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for (;;) {
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if (getline(&buffer, &linesize, infile) < 0) {
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fprintf(stderr,"! Found a PORT but found EOF while scanning interface.\n");
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return 8;
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}
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trimm(line, linesize);
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if (line[0] == 0) continue;
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if (line[0] == '{') {
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printf(";\n");
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break;
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} else {
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if (first_in_decl) {
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printf("%s", line);
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first_in_decl=0;
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} else {
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printf("\n%s", line);
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}
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}
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}
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}
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fclose(infile);
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}
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return 0;
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}
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void trimm(char *line, size_t maxlen) {
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int len;
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//
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// Remove comments starting with '//'
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//
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len=strnlen(line,maxlen);
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for (int i=0; i< len-1; i++) {
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if (line[i] == '/' && line[i+1] == '/') line[i]=0;
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}
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//
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// Remove trailing white space and newlines
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//
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len=strnlen(line,maxlen);
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line[len--]=0;
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while (len >= 0 && (line[len] == ' ' || line[len] == '\t' || line[len]== '\n')) line[len--]=0;
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}
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