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Diffstat (limited to 'parse0.c')
| -rw-r--r-- | parse0.c | 276 |
1 files changed, 276 insertions, 0 deletions
diff --git a/parse0.c b/parse0.c new file mode 100644 index 0000000..5a015d8 --- /dev/null +++ b/parse0.c @@ -0,0 +1,276 @@ +/* + * Copyright (c) 2010 Florian Jung <flo@windfisch.org> + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + */ + + + + +#include <stdio.h> + +// a0 b0 c0 d0 e0 f0 g0 +const int notemap[7]={33,35,24,26,28,29,31}; + +int getnum(char *s, int *i) +{ + int minus=0; + int num=0; + + if (s[*i]=='-') + { + minus=1; + (*i)++; + } + while((s[*i]>='0') && (s[*i]<='9')) + { + num=num*10+s[*i]-'0'; + (*i)++; + } + + if (minus) return -num; else return num; +} + +int parserange(char *s, int l[]) +{ + int i, state=0; + int j=0; + int num, end; + + for (i=0;;i++) + if ((s[i]!=' ') && (s[i]!='\t')) + { + switch(state) + { + case 0: //expects the (first) number + if ((s[i]>='0') && (s[i]<='9')) //a number? + { + num=getnum(s,&i); + i--; + state=1; + } + break; + case 1: //expects a , or a - + if (s[i]=='-') + { + state=2; + } + else if ((s[i]==',') || (s[i]==0)) + { + l[j]=num; + j++; + printf ("num=%i\n",num); + state=0; + } + else + { + printf("ERROR: expected ',' or '-', found '%c'\n",s[i]); + return -1; + } + break; + + case 2: //expects the second number that ends a range + if ((s[i]>='0') && (s[i]<='9')) //a number? + { + end=getnum(s,&i); + printf("numrange=%i-%i\n",num,end); + for (;num<=end;num++) + { + l[j]=num; + j++; + } + + i--; + state=3; + } + else + { + printf("ERROR: expected number, found '%c'\n",s[i]); + return -1; + } + break; + + case 3: //expects ',' + if ((s[i]==',') || (s[i]==0)) + state=0; + else + { + printf("ERROR: expected ',', found '%c'\n",s[i]); + return -1; + } + } + if (s[i]==0) break; + } + + return j; + +} + +int main(int argc, char** argv) +{ + int i,l; + FILE* f; + char line[1000]; + char *range, *param; + int patchlist[128]; + + int oct,loud,len; + int notenum, note[10]; + int j; + int state; + int dontignore; + int rangelen; + + f=fopen ("config.txt","r"); + l=0; + while(!feof(f)) + { + fgets(line,sizeof(line),f); + printf ("read %s",line); + l++; + + dontignore=0; + for (i=0;line[i];i++) + if ((line[i]!=' ') && (line[i]!='\t') && (line[i]!='\n')) + { + dontignore=1; + } + + if (dontignore) + { + for (i=0;(line[i]!=0) && (line[i]!=')');i++); //find ')' + if (line[i]==0) + { + printf("ERROR: expected ), found EOL in line %i\n",l); + } + else + { + line[i]=0; + range=line; + param=line+i+1; + + rangelen=parserange(range,patchlist); + if (rangelen==-1) + { + printf ("ERROR: invalid range specified in line %i\n",l); + } + + while(1) + { + for (i=0;(param[i]!=0) && (param[i]!=',') && (param[i]!='\n');i++); //find ',' + + printf("'%s', '%s'\n",range,param); + + state=0; + len=1337;//TODO sane default + notenum=0; + note[notenum]=0; oct=99; + + for (j=0;j<i;j++) + { + printf ("%i: ",j); + switch (state) + { + case 0: //expects a note (a4) or loudness (<num>) or \0 + if ((param[j]>='a') && (param[j]<='g')) //found a note + { + printf("found a note\n"); + note[notenum]=notemap[param[j]-'a']; + if ((param[j+1]=='b') || param[j+1]=='#') //vorzeichen? + { + if (param[j+1]=='b') + note[notenum]--; + else + note[notenum]++; + j++; + } + state=1; + } + else if ((param[j]>='0') && (param[j]<='9')) //found a number + { + printf("found loudness\n"); + loud=getnum(param,&j); + printf("j=%i\n",j); + state=2; + } + else if ((param[j]!=' ') && (param[j]!='\t')) + { + printf("ERROR: expected note or number, found %c in line %i\n",param[j],l); + } + break; + + case 1: //expects octave (-1 or 4) + if ((param[j]=='-') || ((param[j]>='0') && (param[j]<='9'))) + { + printf("found octave\n"); + oct=getnum(param,&j); + note[notenum]+=oct*12; + printf (" note=%i\n",note[notenum]); + + notenum++; + state=0; + } + else + { + printf ("ERROR: expected - or 0-9, found %c in line %i\n",param[j],l); + } + break; + + + case 2: //expects notelen or 0 + if ((param[j]>='0') && (param[j]<='9')) + { + printf("found notelen\n"); + len=getnum(param,&j); + state=4; + } + else if ((param[j]!=' ') && (param[j]!='\t')) + { + printf("ERROR: expected number, found %c in line %i\n",param[j],l); + } + } + } + + //TODO: neuen eintrag erstellen + printf ("==== RESULT: loud=%i, len=%i, notes=",loud,len); + for (j=0;j<notenum;j++) + printf("%i ",note[j]); + + printf("\n"); + + if (param[i]==',') //is there a next param? + { + param=¶m[i+1]; + } + else + { + break; + } + } + } + } + + printf("%i\n",i); + } + + return 0; +} |