josh/propane
1
0
Fork 0
Code Issues 3 Pull Requests Projects Releases Wiki Activity

building strings matched from rules and tokens

Browse Source
This commit is contained in:
Josh Holtrop 2010-04-07 21:15:14 -04:00
parent f4249274bd
commit 42ada6ee17
1 changed files with 29 additions and 10 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

27
parse-input.cc
View File

@ -32,7 +32,7 @@ bool parse_input(char * buff, int size)
"\\s*$"}, /* possible trailing ws */ "\\s*$"}, /* possible trailing ws */
{&rule, "^\\s*(\\S+)\\s*:=(.*)$"} {&rule, "^\\s*(\\S+)\\s*:=(.*)$"}
}; };
const int ovec_size = 30; const int ovec_size = 3 * 10;
int ovector[ovec_size]; int ovector[ovec_size];
int lineno = 1; int lineno = 1;
char * newline; char * newline;
@ -88,23 +88,42 @@ bool parse_input(char * buff, int size)
switch (section) switch (section)
{ {
case none: case none:
break; cerr << "Unrecognized input on line " << lineno << endl;
return false;
case tokens: case tokens:
{
if (pcre_exec(token, NULL, line.c_str(), line.size(), 0, 0, if (pcre_exec(token, NULL, line.c_str(), line.size(), 0, 0,
ovector, ovec_size) == 0) ovector, ovec_size) == 0)
{ {
string name(line, ovector[2], ovector[3] - ovector[2]);
string definition(line,
ovector[4], ovector[5] - ovector[4]);
string flags;
if (ovector[6] >= 0 && ovector[7] >= 0)
{
flags = string(line,
ovector[6], ovector[7] - ovector[6]);
}
/* TODO: process token */ /* TODO: process token */
} }
else
{
cerr << "Unrecognized input on line " << lineno << endl;
return false;
} }
break; break;
case rules: case rules:
{
if (pcre_exec(rule, NULL, line.c_str(), line.size(), 0, 0, if (pcre_exec(rule, NULL, line.c_str(), line.size(), 0, 0,
ovector, ovec_size) == 0) ovector, ovec_size) == 0)
{ {
string name(line, ovector[2], ovector[3] - ovector[2]);
string definition(line,
ovector[4], ovector[5] - ovector[4]);
/* TODO: process rule */ /* TODO: process rule */
} }
else
{
cerr << "Unrecognized input on line " << lineno << endl;
return false;
} }
break; break;
} }