bool ofXml::removeAttributes(const string& path)
{
Poco::XML::Element *e;
if(element) {
if(path.find("[@") == string::npos) {
// we need to create a proper path
string attributePath = "[@" + path + "]";
e = (Poco::XML::Element*) element->getNodeByPath(attributePath);
} else {
e = (Poco::XML::Element*) element->getNodeByPath(path);
}
} else {
ofLogWarning("ofXml") << "clearAttributes(): no element set yet";
return false;
}
if(e) {
Poco::XML::NamedNodeMap *map = e->attributes();
for(unsigned long i = 0; i < map->length(); i++) {
e->removeAttribute(map->item(i)->nodeName());
}
map->release();
return true;
}
return false;
}
svgtiny_code svgtiny_parse_line(Poco::XML::Element *line,
struct svgtiny_parse_state state)
{
float x1 = 0, y1 = 0, x2 = 0, y2 = 0;
float *p;
//xmlAttr *attr;
Poco::XML::Attr *attr;
//for (attr = line->properties; attr; attr = attr->next) {
//for( attr = line->FirstAttribute(); attr; attr = attr->Next() ) {
Poco::XML::NamedNodeMap *map = line->attributes();
for( int i = 0; i < map->length(); i++ ) {
//const char *name = (const char *) attr->name;
//const char *content = (const char *) attr->children->content;
//const char *name = (const char *) attr->Name();
//const char *content = (const char *) attr->Value();
const char *name = (const char *) map->item(i)->localName().c_str();
const char *content = (const char *) map->item(i)->getNodeValue().c_str();
if (strcmp(name, "x1") == 0)
x1 = svgtiny_parse_length(content,
state.viewport_width, state);
else if (strcmp(name, "y1") == 0)
y1 = svgtiny_parse_length(content,
state.viewport_height, state);
else if (strcmp(name, "x2") == 0)
x2 = svgtiny_parse_length(content,
state.viewport_width, state);
else if (strcmp(name, "y2") == 0)
y2 = svgtiny_parse_length(content,
state.viewport_height, state);
}
svgtiny_parse_paint_attributes(line, &state);
svgtiny_parse_transform_attributes(line, &state);
// p = (float*) malloc(7 * sizeof p[0]);
p = (float*) malloc(6 * sizeof p[0]);
if (!p)
return svgtiny_OUT_OF_MEMORY;
p[0] = svgtiny_PATH_MOVE;
p[1] = x1;
p[2] = y1;
p[3] = svgtiny_PATH_LINE;
p[4] = x2;
p[5] = y2;
// p[6] = svgtiny_PATH_CLOSE;
// return svgtiny_add_path(p, 7, &state);
return svgtiny_add_path(p, 6, &state);
}
bool ofXml::removeAttribute(const string& path)
{
string attributeName, pathToAttribute;
Poco::XML::Element *e;
if(element) {
bool hasPath = false;
// you can pass either /node[@attr] or just attr
if(path.find("[@") != string::npos)
{
int attrBegin = path.find("[@");
int start = attrBegin + 2;
int end = path.find("]", start);
attributeName = path.substr( start, end - start );
pathToAttribute = path.substr(0, attrBegin);
hasPath = true;
}
else
{
attributeName = path;
}
if(hasPath) {
e = (Poco::XML::Element*) element->getNodeByPath(pathToAttribute);
} else {
e = element;
}
} else {
ofLogWarning("ofXml") << "clearAttributes(): no element set yet";
return false;
}
if(e) {
Poco::XML::NamedNodeMap *map = e->attributes();
for(unsigned long i = 0; i < map->length(); i++) {
if(map->item(i)->nodeName() == attributeName) {
e->removeAttribute(map->item(i)->nodeName());
}
}
map->release();
return true;
}
return false;
}
std::map<std::string, std::string>
XmlHandler::get_attributes_from_tag(const std::string &xpath) {
std::map<std::string, std::string> attributes_map;
Poco::XML::NodeIterator it(pDoc, Poco::XML::NodeFilter::SHOW_ELEMENT);
Poco::XML::Node *pNode = it.nextNode();
Poco::XML::Node *detectorNode = pNode->getNodeByPath(xpath);
if (detectorNode) {
Poco::XML::NamedNodeMap *attributes = detectorNode->attributes();
for (unsigned int i = 0; i < attributes->length(); i++) {
Poco::XML::Node *attribute = attributes->item(i);
attributes_map.emplace(attribute->nodeName(), attribute->nodeValue());
}
}
return attributes_map;
}
bool ofXml::removeAttributes()
{
if(element) {
Poco::XML::NamedNodeMap *map = element->attributes();
for(unsigned long i = 0; i < map->length(); i++) {
element->removeAttribute(map->item(i)->nodeName());
}
map->release();
return true;
}
ofLogWarning("ofXml") << "clearAttributes(): no element set yet";
return false;
}
void svgtiny_parse_position_attributes(const Poco::XML::Element *node,
const struct svgtiny_parse_state state,
float *x, float *y, float *width, float *height)
{
//xmlAttr *attr;
const Poco::XML::Attr *attr;
*x = 0;
*y = 0;
*width = state.viewport_width;
*height = state.viewport_height;
//for (attr = node->properties; attr; attr = attr->next) {
//for( attr = node->FirstAttribute(); attr; attr = attr->Next() ) {
Poco::XML::NamedNodeMap *map = node->attributes();
//for( attr = node->FirstAttribute(); attr; attr = attr->Next() ) {
for( int i = 0; i < map->length(); i++ ) {
//const char *name = (const char *) attr->name;
//const char *content = (const char *) attr->children->content;
// good god this is ugly
const char *name = (const char *) map->item(i)->localName().c_str();
const char *content = (const char *) map->item(i)->getNodeValue().c_str();
const string content_str = map->item(i)->getNodeValue();
if (strcmp(name, "x") == 0)
*x = svgtiny_parse_length(content,
state.viewport_width, state);
else if (strcmp(name, "y") == 0)
*y = svgtiny_parse_length(content,
state.viewport_height, state);
else if (strcmp(name, "width") == 0)
*width = svgtiny_parse_length(content,
state.viewport_width, state);
else if (strcmp(name, "height") == 0)
*height = svgtiny_parse_length(content,
state.viewport_height, state);
}
}
svgtiny_code svgtiny_parse_ellipse(Poco::XML::Element *ellipse,
struct svgtiny_parse_state state)
{
float x = 0, y = 0, rx = -1, ry = -1;
float *p;
Poco::XML::Attr *attr;
//for (attr = ellipse->properties; attr; attr = attr->next) {
//for( attr = ellipse->FirstAttribute(); attr; attr = attr->Next() ) {
Poco::XML::NamedNodeMap *map = ellipse->attributes();
for( int i = 0; i < map->length(); i++ ) {
//const char *name = (const char *) attr->name;
//const char *content = (const char *) attr->children->content;
//const char *name = (const char *) attr->Name();
//const char *content = (const char *) attr->Value();
const char *name = (const char *) map->item(i)->localName().c_str();
const char *content = (const char *) map->item(i)->getNodeValue().c_str();
if (strcmp(name, "cx") == 0)
x = svgtiny_parse_length(content,
state.viewport_width, state);
else if (strcmp(name, "cy") == 0)
y = svgtiny_parse_length(content,
state.viewport_height, state);
else if (strcmp(name, "rx") == 0)
rx = svgtiny_parse_length(content,
state.viewport_width, state);
else if (strcmp(name, "ry") == 0)
ry = svgtiny_parse_length(content,
state.viewport_width, state);
}
svgtiny_parse_paint_attributes(ellipse, &state);
svgtiny_parse_transform_attributes(ellipse, &state);
if (rx < 0 || ry < 0) {
//state.diagram->error_line = ellipse->line;
state.diagram->error_message = "ellipse: rx or ry missing "
"or negative";
return svgtiny_SVG_ERROR;
}
if (rx == 0 || ry == 0)
return svgtiny_OK;
p = (float*) malloc(32 * sizeof p[0]);
if (!p)
return svgtiny_OUT_OF_MEMORY;
p[0] = svgtiny_PATH_MOVE;
p[1] = x + rx;
p[2] = y;
p[3] = svgtiny_PATH_BEZIER;
p[4] = x + rx;
p[5] = y + ry * KAPPA;
p[6] = x + rx * KAPPA;
p[7] = y + ry;
p[8] = x;
p[9] = y + ry;
p[10] = svgtiny_PATH_BEZIER;
p[11] = x - rx * KAPPA;
p[12] = y + ry;
p[13] = x - rx;
p[14] = y + ry * KAPPA;
p[15] = x - rx;
p[16] = y;
p[17] = svgtiny_PATH_BEZIER;
p[18] = x - rx;
p[19] = y - ry * KAPPA;
p[20] = x - rx * KAPPA;
p[21] = y - ry;
p[22] = x;
p[23] = y - ry;
p[24] = svgtiny_PATH_BEZIER;
p[25] = x + rx * KAPPA;
p[26] = y - ry;
p[27] = x + rx;
p[28] = y - ry * KAPPA;
p[29] = x + rx;
p[30] = y;
p[31] = svgtiny_PATH_CLOSE;
return svgtiny_add_path(p, 32, &state);
}
void svgtiny_parse_paint_attributes(const Poco::XML::Element *node,
struct svgtiny_parse_state *state)
{
//const xmlAttr *attr;
const Poco::XML::Attr *attr;
//for (attr = node->properties; attr; attr = attr->next) {
//for( attr = node->FirstAttribute(); attr; attr = attr->Next() ) {
Poco::XML::NamedNodeMap *map = node->attributes();
for( int i = 0; i < map->length(); i++ ) {
//const char *name = (const char *) attr->name;
//const char *content = (const char *) attr->children->content;
//const char *name = (const char *) attr->Name();
//const char *content = (const char *) attr->Value();
attr = (Poco::XML::Attr*) map->item(i);
const char *name = (const char *) attr->localName().c_str();
const char *content = (const char *) attr->getNodeValue().c_str();
if (strcmp(name, "fill") == 0)
svgtiny_parse_color(content, &state->fill, state);
else if (strcmp(name, "stroke") == 0)
svgtiny_parse_color(content, &state->stroke, state);
else if (strcmp(name, "stroke-width") == 0)
state->stroke_width = svgtiny_parse_length(content,
state->viewport_width, *state);
else if (strcmp(name, "style") == 0) {
//const char *style = (const char *) attr->children->content;
const char *style = attr->getValue().c_str();
const char *s;
char *value;
if ((s = strstr(style, "fill:"))) {
s += 5;
while (*s == ' ')
s++;
value = strndup(s, strcspn(s, "; "));
svgtiny_parse_color(value, &state->fill, state);
free(value);
}
if ((s = strstr(style, "stroke:"))) {
s += 7;
while (*s == ' ')
s++;
value = strndup(s, strcspn(s, "; "));
svgtiny_parse_color(value, &state->stroke, state);
free(value);
}
if ((s = strstr(style, "stroke-width:"))) {
s += 13;
while (*s == ' ')
s++;
value = strndup(s, strcspn(s, "; "));
state->stroke_width = svgtiny_parse_length(value,
state->viewport_width, *state);
free(value);
}
} else if (strcmp(name, "stroke-linecap") == 0) {
if (strcmp(content, "butt") == 0) {
state->stroke_linecap = svgtiny_STROKE_LINECAP_BUTT;
} else if (strcmp(content, "round") == 0) {
state->stroke_linecap = svgtiny_STROKE_LINECAP_ROUND;
} else if (strcmp(content, "square") == 0) {
state->stroke_linecap = svgtiny_STROKE_LINECAP_SQUARE;
}
} else if (strcmp(name, "stroke-linejoin") == 0) {
if (strcmp(content, "miter") == 0) {
state->stroke_linejoin = svgtiny_STROKE_LINEJOIN_MITER;
} else if (strcmp(content, "bevel") == 0) {
state->stroke_linejoin = svgtiny_STROKE_LINEJOIN_BEVEL;
} else if (strcmp(content, "round") == 0) {
state->stroke_linejoin = svgtiny_STROKE_LINEJOIN_ROUND;
}
}
}
}