QList<GumboWellFormedError> GumboInterface::error_check()
{
QList<GumboWellFormedError> errlist;
int line_offset = 0;
// In case we ever have to revert to earlier versions, please note the following
// additional initialization is needed because Microsoft Visual Studio 2013 (and earlier?)
// do not properly initialize myoptions from the static const kGumboDefaultOptions defined
// in the gumbo library. Instead whatever was in memory at the time is used causing random
// issues later on so if reverting remember to keep these specific changes as the bug
// they work around took a long long time to track down
GumboOptions myoptions = kGumboDefaultOptions;
myoptions.tab_stop = 4;
myoptions.use_xhtml_rules = true;
myoptions.stop_on_first_error = false;
myoptions.max_errors = -1;
if (!m_source.isEmpty() && (m_output == NULL)) {
// fix any non html valid self-closing tags
m_source = fix_self_closing_tags(m_source);
m_utf8src = m_source.toStdString();
// remove any xml header line and trailing whitespace
if (m_utf8src.compare(0,5,"<?xml") == 0) {
size_t end = m_utf8src.find_first_of('>', 0);
end = m_utf8src.find_first_not_of("\n\r\t\v\f ",end+1);
m_utf8src.erase(0,end);
line_offset++;
}
// add in doctype if missing
if ((m_utf8src.compare(0,9,"<!DOCTYPE") != 0) && (m_utf8src.compare(0,9,"<!doctype") != 0)) {
m_utf8src.insert(0,"<!DOCTYPE html>\n");
line_offset--;
}
// GumboInterface::m_mutex.lock();
m_output = gumbo_parse_with_options(&myoptions, m_utf8src.data(), m_utf8src.length());
// GumboInterface::m_mutex.unlock();
}
const GumboVector* errors = &m_output->errors;
for (unsigned int i=0; i< errors->length; ++i) {
GumboError* er = static_cast<GumboError*>(errors->data[i]);
GumboWellFormedError gperror;
gperror.line = er->position.line + line_offset;;
gperror.column = er->position.column;
// unsigned int typenum = er->type;
GumboStringBuffer text;
gumbo_string_buffer_init(&text);
gumbo_error_to_string(er, &text);
std::string errmsg(text.data, text.length);
gperror.message = QString::fromStdString(errmsg);
gumbo_string_buffer_destroy(&text);
errlist.append(gperror);
}
return errlist;
}
QList<GumboWellFormedError> GumboInterface::error_check()
{
QList<GumboWellFormedError> errlist;
int line_offset = 0;
GumboOptions myoptions = kGumboDefaultOptions;
myoptions.use_xhtml_rules = true;
myoptions.tab_stop = 4;
// leave this as false to prevent pre-mature stopping when no error exists
myoptions.stop_on_first_error = false;
if (!m_source.isEmpty() && (m_output == NULL)) {
m_utf8src = m_source.toStdString();
// remove any xml header line and trailing whitespace
if (m_utf8src.compare(0,5,"<?xml") == 0) {
size_t end = m_utf8src.find_first_of('>', 0);
end = m_utf8src.find_first_not_of("\n\r\t ",end+1);
m_utf8src.erase(0,end);
line_offset++;
}
// add in doctype if missing
if ((m_utf8src.compare(0,9,"<!DOCTYPE") != 0) && (m_utf8src.compare(0,9,"<!doctype") != 0)) {
m_utf8src.insert(0,"<!DOCTYPE html>\n");
line_offset--;
}
m_output = gumbo_parse_with_options(&myoptions, m_utf8src.data(), m_utf8src.length());
}
const GumboVector* errors = &m_output->errors;
for (int i=0; i< errors->length; ++i) {
GumboError* er = static_cast<GumboError*>(errors->data[i]);
GumboWellFormedError gperror;
gperror.line = er->position.line + line_offset;;
gperror.column = er->position.column;
unsigned int typenum = er->type;
GumboStringBuffer text;
gumbo_string_buffer_init(&text);
gumbo_error_to_string(er, &text);
std::string errmsg(text.data, text.length);
gperror.message = QString::fromStdString(errmsg);
gumbo_string_buffer_destroy(&text);
errlist.append(gperror);
}
return errlist;
}
void gumbo_caret_diagnostic_to_string(GumboParser* parser,
const GumboError* error, const char* source_text,
GumboStringBuffer* output) {
gumbo_error_to_string(parser, error, output);
const char* line_start = find_last_newline(source_text, error->original_text);
const char* line_end = find_next_newline(source_text, error->original_text);
GumboStringPiece original_line;
original_line.data = line_start;
original_line.length = line_end - line_start;
gumbo_string_buffer_append_codepoint(parser, '\n', output);
gumbo_string_buffer_append_string(parser, &original_line, output);
gumbo_string_buffer_append_codepoint(parser, '\n', output);
gumbo_string_buffer_reserve(
parser, output->length + error->position.column, output);
int num_spaces = error->position.column - 1;
memset(output->data + output->length, ' ', num_spaces);
output->length += num_spaces;
gumbo_string_buffer_append_codepoint(parser, '^', output);
gumbo_string_buffer_append_codepoint(parser, '\n', output);
}
