void common_init_node(node_t * n)
{
struct fontinfo fi;
char *str;
ND_width(n) =
late_double(n, N_width, DEFAULT_NODEWIDTH, MIN_NODEWIDTH);
ND_height(n) =
late_double(n, N_height, DEFAULT_NODEHEIGHT, MIN_NODEHEIGHT);
ND_shape(n) =
bind_shape(late_nnstring(n, N_shape, DEFAULT_NODESHAPE), n);
str = agxget(n, N_label);
fi.fontsize = late_double(n, N_fontsize, DEFAULT_FONTSIZE, MIN_FONTSIZE);
fi.fontname = late_nnstring(n, N_fontname, DEFAULT_FONTNAME);
fi.fontcolor = late_nnstring(n, N_fontcolor, DEFAULT_COLOR);
ND_label(n) = make_label((void*)n, str,
((aghtmlstr(str) ? LT_HTML : LT_NONE) | ( (shapeOf(n) == SH_RECORD) ? LT_RECD : LT_NONE)),
fi.fontsize, fi.fontname, fi.fontcolor);
if (N_xlabel && (str = agxget(n, N_xlabel)) && (str[0])) {
ND_xlabel(n) = make_label((void*)n, str, (aghtmlstr(str) ? LT_HTML : LT_NONE),
fi.fontsize, fi.fontname, fi.fontcolor);
GD_has_labels(agraphof(n)) |= NODE_XLABEL;
}
ND_showboxes(n) = late_int(n, N_showboxes, 0, 0);
ND_shape(n)->fns->initfn(n);
}
/*
* canonicalize a string for printing.
* must agree with strings in scan.l
* Unsafe if buffer is not large enough.
*/
char *agstrcanon(char *arg, char *buf)
{
if (aghtmlstr(arg))
return agcanonhtmlstr(arg, buf);
else
return _agstrcanon(arg, buf);
}
/* writenodeandport:
*/
static void writenodeandport(FILE * fp, char *node, char *port)
{
char *ss;
agputs(agcanonical(node), fp); /* slimey i know */
if (port && *port) {
if (aghtmlstr(port)) {
agputc(':', fp);
agputs(agstrcanon(port, getoutputbuffer(port)), fp);
}
else {
ss = strchr (port, ':');
if (ss) {
*ss = '\0';
agputc(':', fp);
agputs(_agstrcanon(port, getoutputbuffer(port)), fp);
agputc(':', fp);
agputs(_agstrcanon(ss+1, getoutputbuffer(ss+1)), fp);
*ss = ':';
}
else {
agputc(':', fp);
agputs(_agstrcanon(port, getoutputbuffer(port)), fp);
}
}
}
}
/* copyAttr:
* Copy attributes from src to tgt. Overrides currently
* defined values.
* FIX: we should probably use the default value of the source
* graph when initializing the attribute, rather than "".
* NOTE: We do not assume src and tgt have the same kind.
*/
int copyAttr(Agobj_t * src, Agobj_t * tgt)
{
Agraph_t *srcg;
Agraph_t *tgtg;
Agsym_t *sym = 0;
Agsym_t *tsym = 0;
int skind = AGTYPE(src);
int tkind = AGTYPE(tgt);
char* val;
srcg = agraphof(src);
tgtg = agraphof(tgt);
while ((sym = agnxtattr(srcg, skind, sym))) {
tsym = agattrsym(tgt, sym->name);
if (!tsym)
tsym = agattr(tgtg, tkind, sym->name, sym->defval);
val = agxget(src, sym);
if (aghtmlstr (val)) {
val = agstrdup_html (tgtg, val);
agxset(tgt, tsym, val);
agstrfree (tgtg, val);
}
else
agxset(tgt, tsym, val);
}
return 0;
}
void GraphvizPlotter::parseEdgeAttrs(Agedge_t *e, Edge *edge, processedProperties *props) {
// prochazime vsechny mozne atributy hrany
for (auto i : GraphvizAttrs::edge_attrs) {
char *value = agget(e, (char *) i.c_str());
// pokud by dany atribut zadan a nebyl jeste zpracovan
if (value && !isWalkedObjectAttr(&props->edge_attrs, i, value)) {
std::string val(value);
// pokud neni atribut html, vyescapujeme hodnotu
if (!aghtmlstr(value)) {
val = Utility::escape_quotes(val);
}
// pridame atribut k hrane
edge->setAttr(i.c_str(), val.c_str());
// pokud je to html, nastavime priznak
if (aghtmlstr(value)) {
Attribute *g_attr = edge->getAttr(i.c_str());
g_attr->setHtml();
}
}
}
}
void GraphvizPlotter::parseNodeAttrs(Agnode_t *n, Node *node, processedProperties *props) {
// prochazime vsechny dostupne atributy vrcholu
for (auto i : GraphvizAttrs::node_attrs) {
char *value = agget(n, (char *) i.c_str());
// pokud byl dany atribut zadan a jeste nebyl zpracovan
if (value && !isWalkedObjectAttr(&props->node_attrs, i, value)) {
std::string val(value);
// pokud nejde o html atribut, vyescapujeme uvozovky
if (!aghtmlstr(value)) {
val = Utility::escape_quotes(val);
}
// nastaveni atributu
node->setAttr(i.c_str(), val.c_str());
// pokud jde o html, nastavime priznak
if (aghtmlstr(value)) {
Attribute *g_attr = node->getAttr(i.c_str());
g_attr->setHtml();
}
}
}
}
/* agstrcanon:
* handles both html and ordinary strings.
* canonicalize a string for printing.
* changes to the semantics of this function
* also involve the string scanner in lexer.c
* Unsafe if buf is not large enough.
*/
char *agstrcanon(char *arg, char *buf)
{
char *s = arg;
char *p = buf;
if (aghtmlstr(arg)) {
*p++ = '<';
while (*s)
*p++ = *s++;
*p++ = '>';
*p = '\0';
return buf;
}
else
return (_agstrcanon(arg, buf));
}
//-------------------------------------------------
static char* myagxget(void *obj, Agsym_t *a)
{
int len;
char *val, *hs;
if (!obj || !a)
return empty_string;
val = agxget(obj, a->index);
if (!val)
return empty_string;
if (a->name[0] == 'l' && strcmp(a->name, "label") == 0 && aghtmlstr(val)) {
len = strlen(val);
hs = (char*)malloc(len + 3);
hs[0] = '<';
strcpy(hs+1, val);
hs[len+1] = '>';
hs[len+2] = '\0';
return hs;
}
return val;
}
void common_init_node(node_t * n)
{
char *str;
int html = 0;
ND_width(n) =
late_double(n, N_width, DEFAULT_NODEWIDTH, MIN_NODEWIDTH);
ND_height(n) =
late_double(n, N_height, DEFAULT_NODEHEIGHT, MIN_NODEHEIGHT);
if (N_label == NULL)
str = NODENAME_ESC;
else {
str = agxget(n, N_label->index);
html = aghtmlstr(str);
}
if (html)
str = strdup(str);
else
str = strdup_and_subst_node(str, n);
ND_label(n) = make_label(html, str,
late_double(n, N_fontsize, DEFAULT_FONTSIZE,
MIN_FONTSIZE), late_nnstring(n,
N_fontname,
DEFAULT_FONTNAME),
late_nnstring(n, N_fontcolor, DEFAULT_COLOR),
n->graph);
#ifdef ENABLE_HTML //maks
if (html) {
if (make_html_label(ND_label(n), n) == 1)
agerr(AGPREV, "in label of node %s\n", n->name);
}
#endif
ND_shape(n) =
bind_shape(late_nnstring(n, N_shape, DEFAULT_NODESHAPE), n);
ND_showboxes(n) = late_int(n, N_showboxes, 0, 0);
ND_shape(n)->fns->initfn(n);
}
/* writenodeandport:
*/
static void writenodeandport(FILE * fp, char *node, char *port)
{
char *ss;
fprintf(fp, "%s", agcanonical(node)); /* slimey i know */
if (port && *port) {
if (aghtmlstr(port)) {
fprintf(fp, ":%s", agstrcanon(port, getoutputbuffer(port)));
}
else {
ss = strchr (port, ':');
if (ss) {
*ss = '\0';
fprintf(fp, ":%s",
_agstrcanon(port, getoutputbuffer(port)));
fprintf(fp, ":%s",
_agstrcanon(ss+1, getoutputbuffer(ss+1)));
*ss = ':';
}
else {
fprintf(fp, ":%s", _agstrcanon(port, getoutputbuffer(port)));
}
}
}
}
/* return TRUE if edge has label */
int common_init_edge(edge_t * e)
{
char *s;
int html = 0, r = 0;
struct fontinfo fi;
struct fontinfo lfi;
fi.fontname = NULL;
lfi.fontname = NULL;
if (E_label && (s = agxget(e, E_label->index)) && (s[0])) {
r = 1;
html = aghtmlstr(s);
if (html)
s = strdup(s);
else
s = strdup_and_subst_edge(s, e);
initFontEdgeAttr(e, &fi);
ED_label(e) = make_label(html, s,
fi.fontsize, fi.fontname, fi.fontcolor,
e->tail->graph);
#ifdef ENABLE_HTML //maks
if (html) {
if (make_html_label(ED_label(e), e) == 1)
edgeError(e, "label");
}
#endif
GD_has_labels(e->tail->graph) |= EDGE_LABEL;
ED_label_ontop(e) =
mapbool(late_string(e, E_label_float, "false"));
}
/* vladimir */
if (E_headlabel && (s = agxget(e, E_headlabel->index)) && (s[0])) {
html = aghtmlstr(s);
if (html)
s = strdup(s);
else
s = strdup_and_subst_edge(s, e);
initFontLabelEdgeAttr(e, &fi, &lfi);
ED_head_label(e) = make_label(html, s,
lfi.fontsize, lfi.fontname,
lfi.fontcolor, e->tail->graph);
#ifdef ENABLE_HTML //maks
if (html) {
if (make_html_label(ED_head_label(e), e) == 1)
edgeError(e, "head label");
}
#endif
GD_has_labels(e->tail->graph) |= HEAD_LABEL;
}
if (E_taillabel && (s = agxget(e, E_taillabel->index)) && (s[0])) {
html = aghtmlstr(s);
if (html)
s = strdup(s);
else
s = strdup_and_subst_edge(s, e);
if (!lfi.fontname)
initFontLabelEdgeAttr(e, &fi, &lfi);
ED_tail_label(e) = make_label(html, s,
lfi.fontsize, lfi.fontname,
lfi.fontcolor, e->tail->graph);
#ifdef ENABLE_HTML //maks
if (html) {
if (make_html_label(ED_tail_label(e), e) == 1)
edgeError(e, "tail label");
}
#endif
GD_has_labels(e->tail->graph) |= TAIL_LABEL;
}
/* end vladimir */
/* We still accept ports beginning with colons but this is deprecated */
s = agget(e, TAIL_ID);
if (s[0])
ND_has_port(e->tail) = TRUE;
ED_tail_port(e) = chkPort (ND_shape(e->tail)->fns->portfn,e->tail, s);
if (noClip(e, E_tailclip))
ED_tail_port(e).clip = FALSE;
s = agget(e, HEAD_ID);
if (s[0])
ND_has_port(e->head) = TRUE;
ED_head_port(e) = chkPort(ND_shape(e->head)->fns->portfn,e->head, s);
if (noClip(e, E_headclip))
ED_head_port(e).clip = FALSE;
return r;
}
/* do_graph_label:
* Set characteristics of graph label if it exists.
*
*/
void do_graph_label(graph_t * sg)
{
char *str, *pos, *just;
int pos_ix;
/* it would be nice to allow multiple graph labels in the future */
if ((str = agget(sg, "label")) && (*str != '\0')) {
char pos_flag;
pointf dimen;
GD_has_labels(sg->root) |= GRAPH_LABEL;
GD_label(sg) = make_label((void*)sg, str, (aghtmlstr(str) ? LT_HTML : LT_NONE),
late_double(sg, agfindgraphattr(sg, "fontsize"),
DEFAULT_FONTSIZE, MIN_FONTSIZE),
late_nnstring(sg, agfindgraphattr(sg, "fontname"),
DEFAULT_FONTNAME),
late_nnstring(sg, agfindgraphattr(sg, "fontcolor"),
DEFAULT_COLOR));
/* set label position */
pos = agget(sg, "labelloc");
if (sg != agroot(sg)) {
if (pos && (pos[0] == 'b'))
pos_flag = LABEL_AT_BOTTOM;
else
pos_flag = LABEL_AT_TOP;
} else {
if (pos && (pos[0] == 't'))
pos_flag = LABEL_AT_TOP;
else
pos_flag = LABEL_AT_BOTTOM;
}
just = agget(sg, "labeljust");
if (just) {
if (just[0] == 'l')
pos_flag |= LABEL_AT_LEFT;
else if (just[0] == 'r')
pos_flag |= LABEL_AT_RIGHT;
}
GD_label_pos(sg) = pos_flag;
if (sg == agroot(sg))
return;
/* Set border information for cluster labels to allow space
*/
dimen = GD_label(sg)->dimen;
PAD(dimen);
if (!GD_flip(agroot(sg))) {
if (GD_label_pos(sg) & LABEL_AT_TOP)
pos_ix = TOP_IX;
else
pos_ix = BOTTOM_IX;
GD_border(sg)[pos_ix] = dimen;
} else {
/* when rotated, the labels will be restored to TOP or BOTTOM */
if (GD_label_pos(sg) & LABEL_AT_TOP)
pos_ix = RIGHT_IX;
else
pos_ix = LEFT_IX;
GD_border(sg)[pos_ix].x = dimen.y;
GD_border(sg)[pos_ix].y = dimen.x;
}
}
}
/* do_graph_label:
* If the ifdef'ed parts are added, clusters are guaranteed not
* to overlap and have sufficient room for the label. The problem
* is this approach does not use the actual size of the cluster, so
* the resulting cluster tends to be far too large.
*/
void do_graph_label(graph_t* sg)
{
char *p, *pos, *just;
int pos_ix;
GVC_t *gvc = GD_gvc(sg->root);
/* it would be nice to allow multiple graph labels in the future */
if ((p = agget(sg,"label"))) {
char pos_flag;
int html = aghtmlstr(p);
GD_has_labels(sg->root) |= GRAPH_LABEL;
GD_label(sg) = make_label(gvc, html,strdup_and_subst_graph(p,sg),
late_double(sg,agfindattr(sg,"fontsize"),DEFAULT_FONTSIZE,MIN_FONTSIZE),
late_nnstring(sg,agfindattr(sg,"fontname"),DEFAULT_FONTNAME),
late_nnstring(sg,agfindattr(sg,"fontcolor"),DEFAULT_COLOR),sg);
if (html) {
if (make_html_label(gvc, GD_label(sg), sg))
agerr (AGPREV, "in label of graph %s\n", sg->name);
}
/* set label position */
pos = agget(sg,"labelloc");
if (sg != sg->root) {
if (pos && (pos[0] == 'b')) pos_flag = LABEL_AT_BOTTOM;
else pos_flag = LABEL_AT_TOP;
}
else {
if (pos && (pos[0] == 't')) pos_flag = LABEL_AT_TOP;
else pos_flag = LABEL_AT_BOTTOM;
}
just = agget(sg,"labeljust");
if (just) {
if (just[0] == 'l') pos_flag |= LABEL_AT_LEFT;
else if (just[0] == 'r') pos_flag |= LABEL_AT_RIGHT;
}
GD_label_pos(sg) = pos_flag;
if(!GD_left_to_right(sg->root)) {
point dpt;
dpt = cvt2pt(GD_label(sg)->dimen);
if (GD_label_pos(sg) & LABEL_AT_TOP) pos_ix = TOP_IX;
else pos_ix = BOTTOM_IX;
GD_border(sg)[pos_ix] = dpt;
#if 0
if(g != g->root) {
GD_border(g)[LEFT_IX].x = dpt.x/2;
GD_border(g)[RIGHT_IX].x = dpt.x/2;
GD_border(g)[LEFT_IX].y = 0;
GD_border(g)[RIGHT_IX].y = 0;
}
#endif
}
else {
point dpt;
dpt = cvt2pt(GD_label(sg)->dimen);
/* when rotated, the labels will be restored to TOP or BOTTOM */
if (GD_label_pos(sg) & LABEL_AT_TOP) pos_ix = RIGHT_IX;
else pos_ix = LEFT_IX;
GD_border(sg)[pos_ix].x = dpt.y;
GD_border(sg)[pos_ix].y = dpt.x;
#if 0
if(g != g->root) {
GD_border(g)[TOP_IX].y = dpt.x/2;
GD_border(g)[BOTTOM_IX].y = dpt.x/2;
GD_border(g)[TOP_IX].x = 0;
GD_border(g)[BOTTOM_IX].x = 0;
}
#endif
}
}
}
/* do_graph_label:
* Set characteristics of graph label if it exists.
*
*/
void do_graph_label(graph_t * sg)
{
char *p, *pos, *just;
int pos_ix;
/* it would be nice to allow multiple graph labels in the future */
if ((p = agget(sg, "label"))) {
char pos_flag;
int lbl_kind = LT_NONE;
point dpt;
pointf dimen;
if (aghtmlstr(p)) lbl_kind = LT_HTML;
GD_has_labels(sg->root) |= GRAPH_LABEL;
if (lbl_kind) p = strdup (p);
else p = strdup_and_subst_obj(p, (void*)sg);
GD_label(sg) = make_label(sg->root, lbl_kind, p,
late_double(sg,
agfindattr(sg, "fontsize"),
DEFAULT_FONTSIZE, MIN_FONTSIZE),
late_nnstring(sg,
agfindattr(sg, "fontname"),
DEFAULT_FONTNAME),
late_nnstring(sg,
agfindattr(sg, "fontcolor"),
DEFAULT_COLOR));
if (lbl_kind) {
if (make_html_label(sg->root, GD_label(sg), sg) == 1)
agerr(AGPREV, "in label of graph %s\n", sg->name);
}
/* set label position */
pos = agget(sg, "labelloc");
if (sg != sg->root) {
if (pos && (pos[0] == 'b'))
pos_flag = LABEL_AT_BOTTOM;
else
pos_flag = LABEL_AT_TOP;
} else {
if (pos && (pos[0] == 't'))
pos_flag = LABEL_AT_TOP;
else
pos_flag = LABEL_AT_BOTTOM;
}
just = agget(sg, "labeljust");
if (just) {
if (just[0] == 'l')
pos_flag |= LABEL_AT_LEFT;
else if (just[0] == 'r')
pos_flag |= LABEL_AT_RIGHT;
}
GD_label_pos(sg) = pos_flag;
if (sg == sg->root)
return;
/* Set border information for cluster labels to allow space
*/
dimen = GD_label(sg)->dimen;
PAD(dimen);
PF2P(dimen, dpt);
if (!GD_flip(sg->root)) {
if (GD_label_pos(sg) & LABEL_AT_TOP)
pos_ix = TOP_IX;
else
pos_ix = BOTTOM_IX;
GD_border(sg)[pos_ix] = dpt;
} else {
/* when rotated, the labels will be restored to TOP or BOTTOM */
if (GD_label_pos(sg) & LABEL_AT_TOP)
pos_ix = RIGHT_IX;
else
pos_ix = LEFT_IX;
GD_border(sg)[pos_ix].x = dpt.y;
GD_border(sg)[pos_ix].y = dpt.x;
}
}
}
/* return true if edge has label */
int common_init_edge(edge_t * e)
{
char *str;
int r = 0;
struct fontinfo fi;
struct fontinfo lfi;
graph_t *sg = agraphof(agtail(e));
fi.fontname = NULL;
lfi.fontname = NULL;
if (E_label && (str = agxget(e, E_label)) && (str[0])) {
r = 1;
initFontEdgeAttr(e, &fi);
ED_label(e) = make_label((void*)e, str, (aghtmlstr(str) ? LT_HTML : LT_NONE),
fi.fontsize, fi.fontname, fi.fontcolor);
GD_has_labels(sg) |= EDGE_LABEL;
ED_label_ontop(e) =
mapbool(late_string(e, E_label_float, "false"));
}
if (E_xlabel && (str = agxget(e, E_xlabel)) && (str[0])) {
if (!fi.fontname)
initFontEdgeAttr(e, &fi);
ED_xlabel(e) = make_label((void*)e, str, (aghtmlstr(str) ? LT_HTML : LT_NONE),
fi.fontsize, fi.fontname, fi.fontcolor);
GD_has_labels(sg) |= EDGE_XLABEL;
}
/* vladimir */
if (E_headlabel && (str = agxget(e, E_headlabel)) && (str[0])) {
initFontLabelEdgeAttr(e, &fi, &lfi);
ED_head_label(e) = make_label((void*)e, str, (aghtmlstr(str) ? LT_HTML : LT_NONE),
lfi.fontsize, lfi.fontname, lfi.fontcolor);
GD_has_labels(sg) |= HEAD_LABEL;
}
if (E_taillabel && (str = agxget(e, E_taillabel)) && (str[0])) {
if (!lfi.fontname)
initFontLabelEdgeAttr(e, &fi, &lfi);
ED_tail_label(e) = make_label((void*)e, str, (aghtmlstr(str) ? LT_HTML : LT_NONE),
lfi.fontsize, lfi.fontname, lfi.fontcolor);
GD_has_labels(sg) |= TAIL_LABEL;
}
/* end vladimir */
/* We still accept ports beginning with colons but this is deprecated
* That is, we allow tailport = ":abc" as well as the preferred
* tailport = "abc".
*/
str = agget(e, TAIL_ID);
/* libgraph always defines tailport/headport; libcgraph doesn't */
if (!str) str = "";
if (str && str[0])
ND_has_port(agtail(e)) = TRUE;
ED_tail_port(e) = chkPort (ND_shape(agtail(e))->fns->portfn, agtail(e), str);
if (noClip(e, E_tailclip))
ED_tail_port(e).clip = FALSE;
str = agget(e, HEAD_ID);
/* libgraph always defines tailport/headport; libcgraph doesn't */
if (!str) str = "";
if (str && str[0])
ND_has_port(aghead(e)) = TRUE;
ED_head_port(e) = chkPort(ND_shape(aghead(e))->fns->portfn, aghead(e), str);
if (noClip(e, E_headclip))
ED_head_port(e).clip = FALSE;
return r;
}
void GraphvizPlotter::parseGraphAttrs(Agraph_t *g, GraphComponent *g_component, processedProperties *props) {
// prochazim vsechny mozne atributy grafu
for (auto i : GraphvizAttrs::graph_attrs) {
Agsym_t *attr = agattr(g, AGRAPH, (char *) i.c_str(), NULL);
// pokud je dany atribut grafu k nejakemu grafu prirazen a jeste nebyl zpracovan, priradim jej ke komponente grafu
if ((attr && !isWalkedObjectAttr(&props->graph_attrs, i.c_str(), attr->defval))) {
std::string val(attr->defval);
// pokud se nejdna o html atribut, vyescapujeme uvozovky
if (!aghtmlstr(attr->defval)) {
val = Utility::escape_quotes(val);
}
// pridani atributu
g_component->setAttr(i.c_str(), val.c_str());
// pridani mezi zpracovane komponenty
props->graph_attrs.insert(std::pair<std::string, std::string>(i, attr->defval));
// pokud se jedna o html atribut, nastavime priznak
if (aghtmlstr(attr->defval)) {
Attribute *g_attr = g_component->attrs.getAttr(i.c_str());
g_attr->setHtml();
}
}
}
// prochazim vsechny mozne atributy vrcholu
for (auto i : GraphvizAttrs::node_attrs) {
Agsym_t *attr = agattr(g, AGNODE, (char *) i.c_str(), 0);
// pokud je dany atribut vrcholu k nejakemu grafu prirazen a jeste nebyl zpracovan, priradim jej ke komponente grafu
if (attr && !isWalkedObjectAttr(&props->node_attrs, i.c_str(), attr->defval)) {
std::string val(attr->defval);
// pokud se nejdna o html atribut, vyescapujeme uvozovky
if (!aghtmlstr(attr->defval)) {
val = Utility::escape_quotes(val);
}
g_component->setNodeAttr(i.c_str(), val.c_str());
props->node_attrs.insert(std::pair<std::string, std::string>(i, attr->defval));
if (aghtmlstr(attr->defval)) {
Attribute *g_attr = g_component->getNodeAttrs()->getAttr(i.c_str());
g_attr->setHtml();
}
}
}
// prochazim vsechny mozne atributy vrcholu
for (auto i : GraphvizAttrs::edge_attrs) {
Agsym_t *attr = agattr(g, AGEDGE, (char *) i.c_str(), 0);
// pokud je dany atribut hrany k nejakemu grafu prirazen a jeste nebyl zpracovan, priradim jej ke komponente grafu
if (attr && !isWalkedObjectAttr(&props->edge_attrs, i.c_str(), attr->defval)) {
std::string val(attr->defval);
// pokud se nejdna o html atribut, vyescapujeme uvozovky
if (!aghtmlstr(attr->defval)) {
val = Utility::escape_quotes(val);
}
g_component->setEdgeAttr(i.c_str(), val.c_str());
props->edge_attrs.insert(std::pair<std::string, std::string>(i, attr->defval));
if (aghtmlstr(attr->defval)) {
Attribute *g_attr = g_component->getEdgeAttrs()->getAttr(i.c_str());
g_attr->setHtml();
}
}
}
}