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Read searchquery from a search "file" (search tokenstream)

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6372 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Michiel Van Der Kolk 2005-04-28 14:48:12 +00:00
parent 9ceac0a293
commit 29909a341a
4 changed files with 45 additions and 58 deletions
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58
apps/plugins/searchengine/parser.c
View file

@ -21,18 +21,18 @@
#include "dbinterface.h"
#include "parser.h"
struct token *tokenbuffer,*currentToken;
int currentindex;
struct token *currentToken, curtoken;
int syntaxerror;
int parse_fd;
char errormsg[250];
unsigned char *parse(struct token *tokenbuf) {
unsigned char *parse(int fd) {
unsigned char *ret=0;
currentindex=0;
syntaxerror=0;
tokenbuffer=tokenbuf;
parse_fd=fd;
database_init();
currentToken=&tokenbuffer[currentindex];
parser_acceptIt();
currentToken=&curtoken;
PUTS("parse");
ret=parseMExpr();
if(syntaxerror) {
@ -45,7 +45,7 @@ unsigned char *parse(struct token *tokenbuf) {
void parser_acceptIt(void) {
if(syntaxerror) return;
currentToken=&tokenbuffer[++currentindex];
rb->read(parse_fd,&curtoken,sizeof(struct token));
}
int parser_accept(unsigned char kind) {
@ -61,7 +61,7 @@ int parser_accept(unsigned char kind) {
}
unsigned char *parseCompareNum() {
struct token *number1,*number2;
struct token number1,number2;
unsigned char *ret;
int i,n1=-1,n2=-1;
int op;
@ -69,7 +69,7 @@ unsigned char *parseCompareNum() {
PUTS("parseCompareNum");
if(currentToken->kind==TOKEN_NUM ||
currentToken->kind==TOKEN_NUMIDENTIFIER) {
number1=currentToken;
rb->memcpy(&number1,currentToken,sizeof(struct token));
parser_acceptIt();
}
else {
@ -88,7 +88,7 @@ unsigned char *parseCompareNum() {
}
if(currentToken->kind==TOKEN_NUM ||
currentToken->kind==TOKEN_NUMIDENTIFIER) {
number2=currentToken;
rb->memcpy(&number2,currentToken,sizeof(struct token));
parser_acceptIt();
}
else {
@ -97,16 +97,16 @@ unsigned char *parseCompareNum() {
return 0;
}
ret=my_malloc(sizeof(unsigned char)*rb->tagdbheader->filecount);
if(number1->kind==TOKEN_NUM)
n1=getvalue(number1);
if(number2->kind==TOKEN_NUM)
n2=getvalue(number2);
if(number1.kind==TOKEN_NUM)
n1=getvalue(&number1);
if(number2.kind==TOKEN_NUM)
n2=getvalue(&number2);
for(i=0;i<rb->tagdbheader->filecount;i++) {
loadentry(i);
if(number1->kind==TOKEN_NUMIDENTIFIER)
n1=getvalue(number1);
if(number2->kind==TOKEN_NUMIDENTIFIER)
n2=getvalue(number2);
if(number1.kind==TOKEN_NUMIDENTIFIER)
n1=getvalue(&number1);
if(number2.kind==TOKEN_NUMIDENTIFIER)
n2=getvalue(&number2);
switch(op) {
case TOKEN_GT:
ret[i]=n1 > n2;
@ -132,7 +132,7 @@ unsigned char *parseCompareNum() {
}
unsigned char *parseCompareString() {
struct token *string1,*string2;
struct token string1,string2;
unsigned char *ret;
char *s1=NULL,*s2=NULL;
int i,contains;
@ -140,7 +140,7 @@ unsigned char *parseCompareString() {
PUTS("parseCompareString");
if(currentToken->kind==TOKEN_STRING ||
currentToken->kind==TOKEN_STRINGIDENTIFIER) {
string1=currentToken;
rb->memcpy(&string1,currentToken,sizeof(struct token));
parser_acceptIt();
}
else {
@ -161,7 +161,7 @@ unsigned char *parseCompareString() {
if(currentToken->kind==TOKEN_STRING ||
currentToken->kind==TOKEN_STRINGIDENTIFIER) {
string2=currentToken;
rb->memcpy(&string2,currentToken,sizeof(struct token));
parser_acceptIt();
}
else {
@ -170,16 +170,16 @@ unsigned char *parseCompareString() {
return 0;
}
ret=my_malloc(sizeof(unsigned char)*rb->tagdbheader->filecount);
if(string1->kind==TOKEN_STRING)
s1=getstring(string1);
if(string2->kind==TOKEN_STRING)
s2=getstring(string2);
if(string1.kind==TOKEN_STRING)
s1=getstring(&string1);
if(string2.kind==TOKEN_STRING)
s2=getstring(&string2);
for(i=0;i<rb->tagdbheader->filecount;i++) {
loadentry(i);
if(string1->kind==TOKEN_STRINGIDENTIFIER)
s1=getstring(string1);
if(string2->kind==TOKEN_STRINGIDENTIFIER)
s2=getstring(string2);
if(string1.kind==TOKEN_STRINGIDENTIFIER)
s1=getstring(&string1);
if(string2.kind==TOKEN_STRINGIDENTIFIER)
s2=getstring(&string2);
if(contains)
ret[i]=rb->strcasestr(s1,s2)!=0;
else