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author | Michiel Van Der Kolk <not.valid@email.address> | 2005-04-28 14:48:12 +0000 |
---|---|---|
committer | Michiel Van Der Kolk <not.valid@email.address> | 2005-04-28 14:48:12 +0000 |
commit | 29909a341aa5b829b80472fe4a726120f2a6f514 (patch) | |
tree | cd4fd91ae658b5c6bdd8b8c156eb27244b92bc74 /apps/plugins/searchengine | |
parent | 9ceac0a293b22e71dc534a89751f7c4be8b1a0cb (diff) | |
download | rockbox-29909a341aa5b829b80472fe4a726120f2a6f514.tar.gz rockbox-29909a341aa5b829b80472fe4a726120f2a6f514.zip |
Read searchquery from a search "file" (search tokenstream)
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@6372 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'apps/plugins/searchengine')
-rw-r--r-- | apps/plugins/searchengine/parser.c | 58 | ||||
-rw-r--r-- | apps/plugins/searchengine/parser.h | 5 | ||||
-rw-r--r-- | apps/plugins/searchengine/searchengine.c | 25 |
3 files changed, 39 insertions, 49 deletions
diff --git a/apps/plugins/searchengine/parser.c b/apps/plugins/searchengine/parser.c index 501450c562..cbedeb3041 100644 --- a/apps/plugins/searchengine/parser.c +++ b/apps/plugins/searchengine/parser.c | |||
@@ -21,18 +21,18 @@ | |||
21 | #include "dbinterface.h" | 21 | #include "dbinterface.h" |
22 | #include "parser.h" | 22 | #include "parser.h" |
23 | 23 | ||
24 | struct token *tokenbuffer,*currentToken; | 24 | struct token *currentToken, curtoken; |
25 | int currentindex; | ||
26 | int syntaxerror; | 25 | int syntaxerror; |
26 | int parse_fd; | ||
27 | char errormsg[250]; | 27 | char errormsg[250]; |
28 | 28 | ||
29 | unsigned char *parse(struct token *tokenbuf) { | 29 | unsigned char *parse(int fd) { |
30 | unsigned char *ret=0; | 30 | unsigned char *ret=0; |
31 | currentindex=0; | ||
32 | syntaxerror=0; | 31 | syntaxerror=0; |
33 | tokenbuffer=tokenbuf; | 32 | parse_fd=fd; |
34 | database_init(); | 33 | database_init(); |
35 | currentToken=&tokenbuffer[currentindex]; | 34 | parser_acceptIt(); |
35 | currentToken=&curtoken; | ||
36 | PUTS("parse"); | 36 | PUTS("parse"); |
37 | ret=parseMExpr(); | 37 | ret=parseMExpr(); |
38 | if(syntaxerror) { | 38 | if(syntaxerror) { |
@@ -45,7 +45,7 @@ unsigned char *parse(struct token *tokenbuf) { | |||
45 | 45 | ||
46 | void parser_acceptIt(void) { | 46 | void parser_acceptIt(void) { |
47 | if(syntaxerror) return; | 47 | if(syntaxerror) return; |
48 | currentToken=&tokenbuffer[++currentindex]; | 48 | rb->read(parse_fd,&curtoken,sizeof(struct token)); |
49 | } | 49 | } |
50 | 50 | ||
51 | int parser_accept(unsigned char kind) { | 51 | int parser_accept(unsigned char kind) { |
@@ -61,7 +61,7 @@ int parser_accept(unsigned char kind) { | |||
61 | } | 61 | } |
62 | 62 | ||
63 | unsigned char *parseCompareNum() { | 63 | unsigned char *parseCompareNum() { |
64 | struct token *number1,*number2; | 64 | struct token number1,number2; |
65 | unsigned char *ret; | 65 | unsigned char *ret; |
66 | int i,n1=-1,n2=-1; | 66 | int i,n1=-1,n2=-1; |
67 | int op; | 67 | int op; |
@@ -69,7 +69,7 @@ unsigned char *parseCompareNum() { | |||
69 | PUTS("parseCompareNum"); | 69 | PUTS("parseCompareNum"); |
70 | if(currentToken->kind==TOKEN_NUM || | 70 | if(currentToken->kind==TOKEN_NUM || |
71 | currentToken->kind==TOKEN_NUMIDENTIFIER) { | 71 | currentToken->kind==TOKEN_NUMIDENTIFIER) { |
72 | number1=currentToken; | 72 | rb->memcpy(&number1,currentToken,sizeof(struct token)); |
73 | parser_acceptIt(); | 73 | parser_acceptIt(); |
74 | } | 74 | } |
75 | else { | 75 | else { |
@@ -88,7 +88,7 @@ unsigned char *parseCompareNum() { | |||
88 | } | 88 | } |
89 | if(currentToken->kind==TOKEN_NUM || | 89 | if(currentToken->kind==TOKEN_NUM || |
90 | currentToken->kind==TOKEN_NUMIDENTIFIER) { | 90 | currentToken->kind==TOKEN_NUMIDENTIFIER) { |
91 | number2=currentToken; | 91 | rb->memcpy(&number2,currentToken,sizeof(struct token)); |
92 | parser_acceptIt(); | 92 | parser_acceptIt(); |
93 | } | 93 | } |
94 | else { | 94 | else { |
@@ -97,16 +97,16 @@ unsigned char *parseCompareNum() { | |||
97 | return 0; | 97 | return 0; |
98 | } | 98 | } |
99 | ret=my_malloc(sizeof(unsigned char)*rb->tagdbheader->filecount); | 99 | ret=my_malloc(sizeof(unsigned char)*rb->tagdbheader->filecount); |
100 | if(number1->kind==TOKEN_NUM) | 100 | if(number1.kind==TOKEN_NUM) |
101 | n1=getvalue(number1); | 101 | n1=getvalue(&number1); |
102 | if(number2->kind==TOKEN_NUM) | 102 | if(number2.kind==TOKEN_NUM) |
103 | n2=getvalue(number2); | 103 | n2=getvalue(&number2); |
104 | for(i=0;i<rb->tagdbheader->filecount;i++) { | 104 | for(i=0;i<rb->tagdbheader->filecount;i++) { |
105 | loadentry(i); | 105 | loadentry(i); |
106 | if(number1->kind==TOKEN_NUMIDENTIFIER) | 106 | if(number1.kind==TOKEN_NUMIDENTIFIER) |
107 | n1=getvalue(number1); | 107 | n1=getvalue(&number1); |
108 | if(number2->kind==TOKEN_NUMIDENTIFIER) | 108 | if(number2.kind==TOKEN_NUMIDENTIFIER) |
109 | n2=getvalue(number2); | 109 | n2=getvalue(&number2); |
110 | switch(op) { | 110 | switch(op) { |
111 | case TOKEN_GT: | 111 | case TOKEN_GT: |
112 | ret[i]=n1 > n2; | 112 | ret[i]=n1 > n2; |
@@ -132,7 +132,7 @@ unsigned char *parseCompareNum() { | |||
132 | } | 132 | } |
133 | 133 | ||
134 | unsigned char *parseCompareString() { | 134 | unsigned char *parseCompareString() { |
135 | struct token *string1,*string2; | 135 | struct token string1,string2; |
136 | unsigned char *ret; | 136 | unsigned char *ret; |
137 | char *s1=NULL,*s2=NULL; | 137 | char *s1=NULL,*s2=NULL; |
138 | int i,contains; | 138 | int i,contains; |
@@ -140,7 +140,7 @@ unsigned char *parseCompareString() { | |||
140 | PUTS("parseCompareString"); | 140 | PUTS("parseCompareString"); |
141 | if(currentToken->kind==TOKEN_STRING || | 141 | if(currentToken->kind==TOKEN_STRING || |
142 | currentToken->kind==TOKEN_STRINGIDENTIFIER) { | 142 | currentToken->kind==TOKEN_STRINGIDENTIFIER) { |
143 | string1=currentToken; | 143 | rb->memcpy(&string1,currentToken,sizeof(struct token)); |
144 | parser_acceptIt(); | 144 | parser_acceptIt(); |
145 | } | 145 | } |
146 | else { | 146 | else { |
@@ -161,7 +161,7 @@ unsigned char *parseCompareString() { | |||
161 | 161 | ||
162 | if(currentToken->kind==TOKEN_STRING || | 162 | if(currentToken->kind==TOKEN_STRING || |
163 | currentToken->kind==TOKEN_STRINGIDENTIFIER) { | 163 | currentToken->kind==TOKEN_STRINGIDENTIFIER) { |
164 | string2=currentToken; | 164 | rb->memcpy(&string2,currentToken,sizeof(struct token)); |
165 | parser_acceptIt(); | 165 | parser_acceptIt(); |
166 | } | 166 | } |
167 | else { | 167 | else { |
@@ -170,16 +170,16 @@ unsigned char *parseCompareString() { | |||
170 | return 0; | 170 | return 0; |
171 | } | 171 | } |
172 | ret=my_malloc(sizeof(unsigned char)*rb->tagdbheader->filecount); | 172 | ret=my_malloc(sizeof(unsigned char)*rb->tagdbheader->filecount); |
173 | if(string1->kind==TOKEN_STRING) | 173 | if(string1.kind==TOKEN_STRING) |
174 | s1=getstring(string1); | 174 | s1=getstring(&string1); |
175 | if(string2->kind==TOKEN_STRING) | 175 | if(string2.kind==TOKEN_STRING) |
176 | s2=getstring(string2); | 176 | s2=getstring(&string2); |
177 | for(i=0;i<rb->tagdbheader->filecount;i++) { | 177 | for(i=0;i<rb->tagdbheader->filecount;i++) { |
178 | loadentry(i); | 178 | loadentry(i); |
179 | if(string1->kind==TOKEN_STRINGIDENTIFIER) | 179 | if(string1.kind==TOKEN_STRINGIDENTIFIER) |
180 | s1=getstring(string1); | 180 | s1=getstring(&string1); |
181 | if(string2->kind==TOKEN_STRINGIDENTIFIER) | 181 | if(string2.kind==TOKEN_STRINGIDENTIFIER) |
182 | s2=getstring(string2); | 182 | s2=getstring(&string2); |
183 | if(contains) | 183 | if(contains) |
184 | ret[i]=rb->strcasestr(s1,s2)!=0; | 184 | ret[i]=rb->strcasestr(s1,s2)!=0; |
185 | else | 185 | else |
diff --git a/apps/plugins/searchengine/parser.h b/apps/plugins/searchengine/parser.h index e9c36d3b54..b40a6aee1c 100644 --- a/apps/plugins/searchengine/parser.h +++ b/apps/plugins/searchengine/parser.h | |||
@@ -16,12 +16,11 @@ | |||
16 | * KIND, either express or implied. | 16 | * KIND, either express or implied. |
17 | * | 17 | * |
18 | ****************************************************************************/ | 18 | ****************************************************************************/ |
19 | extern struct token *tokenbuffer,*currentToken; | 19 | extern struct token *currentToken; |
20 | |||
21 | extern int syntaxerror; | 20 | extern int syntaxerror; |
22 | extern char errormsg[250]; | 21 | extern char errormsg[250]; |
23 | 22 | ||
24 | unsigned char *parse(struct token *tokenbuf); | 23 | unsigned char *parse(int fd); |
25 | void parser_acceptIt(void); | 24 | void parser_acceptIt(void); |
26 | int parser_accept(unsigned char kind); | 25 | int parser_accept(unsigned char kind); |
27 | unsigned char *parseCompareNum(void); | 26 | unsigned char *parseCompareNum(void); |
diff --git a/apps/plugins/searchengine/searchengine.c b/apps/plugins/searchengine/searchengine.c index 5065da7e78..0cb090e141 100644 --- a/apps/plugins/searchengine/searchengine.c +++ b/apps/plugins/searchengine/searchengine.c | |||
@@ -50,19 +50,16 @@ void setmallocpos(void *pointer) | |||
50 | audio_buffer_free = audio_bufferpointer - audio_bufferbase; | 50 | audio_buffer_free = audio_bufferpointer - audio_bufferbase; |
51 | } | 51 | } |
52 | 52 | ||
53 | struct token tokenstream[10]; | ||
54 | |||
55 | /* this is the plugin entry point */ | 53 | /* this is the plugin entry point */ |
56 | enum plugin_status plugin_start(struct plugin_api* api, void* parameter) | 54 | enum plugin_status plugin_start(struct plugin_api* api, void* parameter) |
57 | { | 55 | { |
58 | unsigned char *result,buf[500]; | 56 | unsigned char *result,buf[500]; |
57 | int parsefd; | ||
59 | /* this macro should be called as the first thing you do in the plugin. | 58 | /* this macro should be called as the first thing you do in the plugin. |
60 | it test that the api version and model the plugin was compiled for | 59 | it test that the api version and model the plugin was compiled for |
61 | matches the machine it is running on */ | 60 | matches the machine it is running on */ |
62 | TEST_PLUGIN_API(api); | 61 | TEST_PLUGIN_API(api); |
63 | 62 | ||
64 | (void)parameter; | ||
65 | |||
66 | /* if you are using a global api pointer, don't forget to copy it! | 63 | /* if you are using a global api pointer, don't forget to copy it! |
67 | otherwise you will get lovely "I04: IllInstr" errors... :-) */ | 64 | otherwise you will get lovely "I04: IllInstr" errors... :-) */ |
68 | rb = api; | 65 | rb = api; |
@@ -72,21 +69,15 @@ enum plugin_status plugin_start(struct plugin_api* api, void* parameter) | |||
72 | 69 | ||
73 | /* now go ahead and have fun! */ | 70 | /* now go ahead and have fun! */ |
74 | PUTS("SearchEngine v0.1"); | 71 | PUTS("SearchEngine v0.1"); |
75 | tokenstream[0].kind=TOKEN_NUMIDENTIFIER; | 72 | parsefd=rb->open(parameter,O_RDONLY); |
76 | tokenstream[0].intvalue=INTVALUE_YEAR; | 73 | if(parsefd<0) { |
77 | tokenstream[1].kind=TOKEN_GTE; | 74 | rb->splash(2*HZ,true,"Unable to open search tokenstream"); |
78 | tokenstream[2].kind=TOKEN_NUM; | 75 | return PLUGIN_ERROR; |
79 | tokenstream[2].intvalue=1980; | 76 | } |
80 | tokenstream[3].kind=TOKEN_AND; | 77 | result=parse(parsefd); |
81 | tokenstream[4].kind=TOKEN_NUMIDENTIFIER; | ||
82 | tokenstream[4].intvalue=INTVALUE_YEAR; | ||
83 | tokenstream[5].kind=TOKEN_LT; | ||
84 | tokenstream[6].kind=TOKEN_NUM; | ||
85 | tokenstream[6].intvalue=1990; | ||
86 | tokenstream[7].kind=TOKEN_EOF; | ||
87 | result=parse(tokenstream); | ||
88 | rb->snprintf(buf,250,"Retval: 0x%x",result); | 78 | rb->snprintf(buf,250,"Retval: 0x%x",result); |
89 | PUTS(buf); | 79 | PUTS(buf); |
80 | rb->close(parsefd); | ||
90 | if(result!=0) { | 81 | if(result!=0) { |
91 | int fd=rb->open("/search.m3u", O_WRONLY|O_CREAT|O_TRUNC); | 82 | int fd=rb->open("/search.m3u", O_WRONLY|O_CREAT|O_TRUNC); |
92 | int i; | 83 | int i; |