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Overview
| Comment: | The \xXX escape in the test_regexp.c must be followed by exactly two hex digits. |
|---|---|
| Downloads: | Tarball | ZIP archive | SQL archive |
| Timelines: | family | ancestors | descendants | both | trunk |
| Files: | files | file ages | folders |
| SHA1: |
82957495aa0729468a020c2a0a45ed60 |
| User & Date: | drh 2013-01-18 03:35:14 |
Context
|
2013-01-20
| ||
| 00:18 | Fix a typo in a comment in the test_regexp.c test file. (check-in: 68346af7 user: drh tags: trunk) | |
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2013-01-18
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| 03:35 | The \xXX escape in the test_regexp.c must be followed by exactly two hex digits. (check-in: 82957495 user: drh tags: trunk) | |
|
2013-01-17
| ||
| 17:20 | Enhance the query planner to exploit transitivity of join constraints. (check-in: 38852f15 user: drh tags: trunk) | |
Changes
Changes to src/test_regexp.c.
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** X|Y X or Y
** ^X X occurring at the beginning of the string
** X$ X occurring at the end of the string
** . Match any single character
** \c Character c where c is one of \{}()[]|*+?.
** \c C-language escapes for c in afnrtv. ex: \t or \n
** \uXXXX Where XXXX is exactly 4 hex digits, unicode value XXXX
** \xXXX Where XXX is any number of hex digits, unicode value XXX
** [abc] Any single character from the set abc
** [^abc] Any single character not in the set abc
** [a-z] Any single character in the range a-z
** [^a-z] Any single character not in the range a-z
** \b Word boundary
** \w Word character. [A-Za-z0-9_]
** \W Non-word character
................................................................................
static unsigned re_esc_char(ReCompiled *p){
static const char zEsc[] = "afnrtv\\()*.+?[$^{|}]";
static const char zTrans[] = "\a\f\n\r\t\v";
int i, v = 0;
char c;
if( p->sIn.i>=p->sIn.mx ) return 0;
c = p->sIn.z[p->sIn.i];
if( c=='u' && p->sIn.i+5<p->sIn.mx ){
const unsigned char *zIn = p->sIn.z + p->sIn.i;
v = 0;
if( re_hex(zIn[1],&v)
&& re_hex(zIn[2],&v)
&& re_hex(zIn[3],&v)
&& re_hex(zIn[4],&v)
){
p->sIn.i += 5;
return v;
}
}
if( c=='x' ){
v = 0;
for(i=1; p->sIn.i<p->sIn.mx && re_hex(p->sIn.z[p->sIn.i+i], &v); i++){}
if( i>1 ){
p->sIn.i += i;
return v;
}
}
for(i=0; zEsc[i] && zEsc[i]!=c; i++){}
if( zEsc[i] ){
if( i<6 ) c = zTrans[i];
p->sIn.i++;
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** X|Y X or Y
** ^X X occurring at the beginning of the string
** X$ X occurring at the end of the string
** . Match any single character
** \c Character c where c is one of \{}()[]|*+?.
** \c C-language escapes for c in afnrtv. ex: \t or \n
** \uXXXX Where XXXX is exactly 4 hex digits, unicode value XXXX
** \xXX Where XX is exactly 2 hex digits, unicode value XX
** [abc] Any single character from the set abc
** [^abc] Any single character not in the set abc
** [a-z] Any single character in the range a-z
** [^a-z] Any single character not in the range a-z
** \b Word boundary
** \w Word character. [A-Za-z0-9_]
** \W Non-word character
................................................................................
static unsigned re_esc_char(ReCompiled *p){
static const char zEsc[] = "afnrtv\\()*.+?[$^{|}]";
static const char zTrans[] = "\a\f\n\r\t\v";
int i, v = 0;
char c;
if( p->sIn.i>=p->sIn.mx ) return 0;
c = p->sIn.z[p->sIn.i];
if( c=='u' && p->sIn.i+4<p->sIn.mx ){
const unsigned char *zIn = p->sIn.z + p->sIn.i;
if( re_hex(zIn[1],&v)
&& re_hex(zIn[2],&v)
&& re_hex(zIn[3],&v)
&& re_hex(zIn[4],&v)
){
p->sIn.i += 5;
return v;
}
}
if( c=='x' && p->sIn.i+2<p->sIn.mx ){
const unsigned char *zIn = p->sIn.z + p->sIn.i;
if( re_hex(zIn[1],&v)
&& re_hex(zIn[2],&v)
){
p->sIn.i += 3;
return v;
}
}
for(i=0; zEsc[i] && zEsc[i]!=c; i++){}
if( zEsc[i] ){
if( i<6 ) c = zTrans[i];
p->sIn.i++;
|
Changes to test/regexp1.test.
193 194 195 196 197 198 199 200 201 202 203 204 205 206 207 208 209 210 211 |
'abc{4}x' REGEXP '^abc\{4\}x$',
'abc|def' REGEXP '^abc\|def$'
} {1 1 1 1 1 1 1 1 1 1 1 1}
do_execsql_test regexp1-2.20 {
SELECT 'abc$¢€xyz' REGEXP '^abc\u0024\u00a2\u20acxyz$',
'abc$¢€xyz' REGEXP '^abc\u0024\u00A2\u20ACxyz$',
'abc$¢€xyz' REGEXP '^abc\x24\xa2\x20acxyz$'
} {1 1 1}
do_execsql_test regexp1-2.21 {
SELECT 'abc$¢€xyz' REGEXP '^abc[\u0024][\u00a2][\u20ac]xyz$',
'abc$¢€xyz' REGEXP '^abc[\u0024\u00A2\u20AC]{3}xyz$',
'abc$¢€xyz' REGEXP '^abc[\x24][\xa2\x20ac]+xyz$'
} {1 1 1}
do_execsql_test regexp1-2.22 {
SELECT 'abc$¢€xyz' REGEXP '^abc[^\u0025-X][^ -\u007f][^\u20ab]xyz$'
} {1}
finish_test
|
| | |
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'abc{4}x' REGEXP '^abc\{4\}x$',
'abc|def' REGEXP '^abc\|def$'
} {1 1 1 1 1 1 1 1 1 1 1 1}
do_execsql_test regexp1-2.20 {
SELECT 'abc$¢€xyz' REGEXP '^abc\u0024\u00a2\u20acxyz$',
'abc$¢€xyz' REGEXP '^abc\u0024\u00A2\u20ACxyz$',
'abc$¢€xyz' REGEXP '^abc\x24\xa2\u20acxyz$'
} {1 1 1}
do_execsql_test regexp1-2.21 {
SELECT 'abc$¢€xyz' REGEXP '^abc[\u0024][\u00a2][\u20ac]xyz$',
'abc$¢€xyz' REGEXP '^abc[\u0024\u00A2\u20AC]{3}xyz$',
'abc$¢€xyz' REGEXP '^abc[\x24][\xa2\u20ac]+xyz$'
} {1 1 1}
do_execsql_test regexp1-2.22 {
SELECT 'abc$¢€xyz' REGEXP '^abc[^\u0025-X][^ -\u007f][^\u20ab]xyz$'
} {1}
finish_test
|