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Added String::dedent() to remove text indentation

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This functions similarly to Python's textwrap.dedent()

It's also been applied to doc_data.cpp to remove extra whitespace while
parsing the XML.
This commit is contained in:
Zher Huei Lee 2017-10-11 16:27:54 +08:00
parent 29ea79e065
commit 0804dd5336
4 changed files with 54 additions and 4 deletions
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42
core/ustring.cpp
View file

@ -2757,6 +2757,48 @@ CharType String::ord_at(int p_idx) const {
return operator[](p_idx);
}
String String::dedent() const {
String new_string;
String indent;
bool has_indent = false;
bool has_text = false;
int line_start = 0;
int indent_stop = -1;
for (int i = 0; i < length(); i++) {
CharType c = operator[](i);
if (c == '\n') {
if (has_text)
new_string += substr(indent_stop, i - indent_stop);
new_string += "\n";
has_text = false;
line_start = i + 1;
indent_stop = -1;
} else if (!has_text) {
if (c > 32) {
has_text = true;
if (!has_indent) {
has_indent = true;
indent = substr(line_start, i - line_start);
indent_stop = i;
}
}
if (has_indent && indent_stop < 0) {
int j = i - line_start;
if (j >= indent.length() || c != indent[j])
indent_stop = i;
}
}
}
if (has_text)
new_string += substr(indent_stop, length() - indent_stop);
return new_string;
}
String String::strip_edges(bool left, bool right) const {
int len = length();

1
core/ustring.h
View file

@ -176,6 +176,7 @@ public:
String left(int p_pos) const;
String right(int p_pos) const;
String dedent() const;
String strip_edges(bool left = true, bool right = true) const;
String strip_escapes() const;
String get_extension() const;

2
core/variant_call.cpp
View file

@ -260,6 +260,7 @@ struct _VariantCall {
VCALL_LOCALMEM0R(String, to_lower);
VCALL_LOCALMEM1R(String, left);
VCALL_LOCALMEM1R(String, right);
VCALL_LOCALMEM0R(String, dedent);
VCALL_LOCALMEM2R(String, strip_edges);
VCALL_LOCALMEM0R(String, get_extension);
VCALL_LOCALMEM0R(String, get_basename);
@ -1457,6 +1458,7 @@ void register_variant_methods() {
ADDFUNC0R(STRING, STRING, String, get_basename, varray());
ADDFUNC1R(STRING, STRING, String, plus_file, STRING, "file", varray());
ADDFUNC1R(STRING, INT, String, ord_at, INT, "at", varray());
ADDFUNC0(STRING, STRING, String, dedent, varray());
ADDFUNC2(STRING, NIL, String, erase, INT, "position", INT, "chars", varray());
ADDFUNC0R(STRING, INT, String, hash, varray());
ADDFUNC0R(STRING, STRING, String, md5_text, varray());

13
editor/doc/doc_data.cpp
View file

@ -615,6 +615,11 @@ void DocData::generate(bool p_basic_types) {
}
}
static String _format_description(const String &string) {
return string.dedent().strip_edges().replace("\n", "\n\n");
}
static Error _parse_methods(Ref<XMLParser> &parser, Vector<DocData::MethodDoc> &methods) {
String section = parser->get_node_name();
@ -661,7 +666,7 @@ static Error _parse_methods(Ref<XMLParser> &parser, Vector<DocData::MethodDoc> &
parser->read();
if (parser->get_node_type() == XMLParser::NODE_TEXT)
method.description = parser->get_node_data().strip_edges();
method.description = _format_description(parser->get_node_data());
}
} else if (parser->get_node_type() == XMLParser::NODE_ELEMENT_END && parser->get_node_name() == element)
@ -776,12 +781,12 @@ Error DocData::_load(Ref<XMLParser> parser) {
parser->read();
if (parser->get_node_type() == XMLParser::NODE_TEXT)
c.brief_description = parser->get_node_data().strip_edges();
c.brief_description = _format_description(parser->get_node_data());
} else if (name == "description") {
parser->read();
if (parser->get_node_type() == XMLParser::NODE_TEXT)
c.description = parser->get_node_data().strip_edges();
c.description = _format_description(parser->get_node_data());
} else if (name == "tutorials") {
parser->read();
if (parser->get_node_type() == XMLParser::NODE_TEXT)
@ -823,7 +828,7 @@ Error DocData::_load(Ref<XMLParser> parser) {
prop.enumeration = parser->get_attribute_value("enum");
parser->read();
if (parser->get_node_type() == XMLParser::NODE_TEXT)
prop.description = parser->get_node_data().strip_edges();
prop.description = _format_description(parser->get_node_data());
c.properties.push_back(prop);
} else {
ERR_EXPLAIN("Invalid tag in doc file: " + name);