logSelectionList.cpp

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 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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 *
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 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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 * version 2 for more details (a copy is included in the LICENSE file that
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 *
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 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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#include"logging/logSelectionList.hpp"
#include"logging/logTagSet.hpp"
#include"runtime/os.hpp"

staticconstchar* DefaultExpressionString = "all";

boolLogSelectionList::verify_selections(outputStream* out) const {
bool valid = true;

for (size_t i = 0; i < _nselections; i++) {
if (_selections[i].tag_sets_selected() == 0) {
// Return immediately unless all invalid selections should be listed
if (out == nullptr) {
returnfalse;
 }

 out->print("No tag set matches selection:");
 valid = false;

 out->print("");
 _selections[i].describe_tags_on(out);
 out->print(". ");

 _selections[i].suggest_similar_matching(out);
 out->cr();
 }
 }
return valid;
}

LogDecorators LogSelectionList::get_default_decorators() const {
for (size_t i = 0; i < _nselections; ++i) {
if (!LogDecorators::has_disabled_default_decorators(_selections[i])) {
returnLogDecorators();
 }
 }
return LogDecorators::None;
}

boolLogSelectionList::parse(constchar* str, outputStream* errstream) {
bool success = true;
if (str == nullptr || strcmp(str, "") == 0) {
 str = DefaultExpressionString;
 }
char* copy = os::strdup_check_oom(str, mtLogging);
// Split string on commas
for (char *comma_pos = copy, *cur = copy; success; cur = comma_pos + 1) {
if (_nselections == MaxSelections) {
if (errstream != nullptr) {
 errstream->print_cr("Can not have more than %zu log selections in a single configuration.",
 MaxSelections);
 }
 success = false;
break;
 }

 comma_pos = strchr(cur, ',');
if (comma_pos != nullptr) {
 *comma_pos = '\0';
 }

 LogSelection selection = LogSelection::parse(cur, errstream);
if (selection == LogSelection::Invalid) {
 success = false;
break;
 }
 _selections[_nselections++] = selection;

if (comma_pos == nullptr) {
break;
 }
 }

os::free(copy);
return success;
}

LogLevelType LogSelectionList::level_for(const LogTagSet& ts) const {
// Return NotMentioned if the given tagset isn't covered by this expression.
 LogLevelType level = LogLevel::NotMentioned;
for (size_t i = 0; i < _nselections; i++) {
if (_selections[i].selects(ts)) {
 level = _selections[i].level();
 }
 }
return level;
}