forked from boostorg/regex
Added new experimental captures support.
[SVN r21243]
This commit is contained in:
@ -45,6 +45,23 @@ test-suite regex-examples :
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[ regex-test-run snippets/regex_token_iterator_eg_2.cpp : $(BOOST_ROOT)/libs/regex/doc/index.html ]
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[ regex-test-run snippets/regex_iterator_example.cpp : $(BOOST_ROOT)/boost/rational.hpp ]
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[ run
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# sources
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snippets/captures_example.cpp
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<template>../build/regex-options
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# dependencies
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<lib>../test/captures/boost_regex_extra
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: # additional args
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: # test-files
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: # requirements
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<threading>multi
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<define>BOOST_REGEX_MATCH_EXTRA=1
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<define>BOOST_REGEX_NO_LIB=1
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: # test name
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captures_example
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]
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;
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@ -54,3 +71,5 @@ test-suite regex-examples :
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51
example/snippets/captures_example.cpp
Normal file
51
example/snippets/captures_example.cpp
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@ -0,0 +1,51 @@
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#include <boost/regex.hpp>
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#include <iostream>
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void print_captures(const std::string& regx, const std::string& text)
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{
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boost::regex e(regx);
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boost::smatch what;
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std::cout << "Expression: \"" << regx << "\"\n";
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std::cout << "Text: \"" << text << "\"\n";
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if(boost::regex_match(text, what, e, boost::match_extra))
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{
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unsigned i, j;
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std::cout << "** Match found **\n Sub-Expressions:\n";
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for(i = 0; i < what.size(); ++i)
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std::cout << " $" << i << " = \"" << what[i] << "\"\n";
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std::cout << " Captures:\n";
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for(i = 0; i < what.size(); ++i)
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{
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std::cout << " $" << i << " = {";
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for(j = 0; j < what.captures(i).size(); ++j)
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{
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if(j)
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std::cout << ", ";
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else
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std::cout << " ";
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std::cout << "\"" << what.captures(i)[j] << "\"";
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}
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std::cout << " }\n";
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}
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}
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else
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{
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std::cout << "** No Match found **\n";
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}
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}
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int main(int , char* [])
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{
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print_captures("(([[:lower:]]+)|([[:upper:]]+))+", "aBBcccDDDDDeeeeeeee");
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print_captures("a(b+|((c)*))+d", "abd");
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print_captures("(.*)bar|(.*)bah", "abcbar");
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print_captures("(.*)bar|(.*)bah", "abcbah");
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print_captures("^(?:(\\w+)|(?>\\W+))*$", "now is the time for all good men to come to the aid of the party");
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print_captures("^(?>(\\w+)\\W*)*$", "now is the time for all good men to come to the aid of the party");
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print_captures("^(\\w+)\\W+(?>(\\w+)\\W+)*(\\w+)$", "now is the time for all good men to come to the aid of the party");
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print_captures("^(\\w+)\\W+(?>(\\w+)\\W+(?:(\\w+)\\W+){0,2})*(\\w+)$", "now is the time for all good men to come to the aid of the party");
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return 0;
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}
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