]> gitweb.michael.orlitzky.com - libsvgtiny.git/blobdiff - src/svgtiny.c
More work towards libdom conversion
[libsvgtiny.git] / src / svgtiny.c
index 79a87d70c8b41b77195f80ee0bf8699eaeaffc53..635974f250ac9217f8dc840ec473a1cafe24a6ec 100644 (file)
@@ -53,6 +53,8 @@ static void svgtiny_parse_transform_attributes(dom_element *node,
                struct svgtiny_parse_state *state);
 static svgtiny_code svgtiny_add_path(float *p, unsigned int n,
                struct svgtiny_parse_state *state);
+static void _svgtiny_parse_color(const char *s, svgtiny_colour *c,
+               struct svgtiny_parse_state *state);
 
 
 /**
@@ -165,15 +167,15 @@ svgtiny_code svgtiny_parse(struct svgtiny_diagram *diagram,
        state.viewport_width = viewport_width;
        state.viewport_height = viewport_height;
 
-#define SVGTINY_STRING_ACTION(s)                                       \
-       if (dom_string_create_interned((const uint8_t *) #s,            \
-                                      strlen(#s), &state.interned_##s) \
+#define SVGTINY_STRING_ACTION2(s,n)                                    \
+       if (dom_string_create_interned((const uint8_t *) #n,            \
+                                      strlen(#n), &state.interned_##s) \
            != DOM_NO_ERR) {                                            \
                code = svgtiny_LIBDOM_ERROR;                            \
                goto cleanup;                                           \
        }
 #include "svgtiny_strings.h"
-#undef SVGTINY_STRING_ACTION
+#undef SVGTINY_STRING_ACTION2
 
        svgtiny_parse_position_attributes(svg, state, &x, &y, &width, &height);
        diagram->width = width;
@@ -202,11 +204,11 @@ svgtiny_code svgtiny_parse(struct svgtiny_diagram *diagram,
        dom_node_unref(document);
 
 cleanup:
-#define SVGTINY_STRING_ACTION(s)                               \
+#define SVGTINY_STRING_ACTION2(s,n)                    \
        if (state.interned_##s != NULL)                 \
                dom_string_unref(state.interned_##s);
 //#include "svgtiny_strings.h"
-#undef SVGTINY_STRING_ACTION
+#undef SVGTINY_STRING_ACTION2
        return code;
 }
 
@@ -1027,28 +1029,38 @@ void svgtiny_parse_position_attributes(const dom_element *node,
                const struct svgtiny_parse_state state,
                float *x, float *y, float *width, float *height)
 {
-       xmlAttr *attr;
+       dom_string *attr;
+       dom_exception exc;
 
        *x = 0;
        *y = 0;
        *width = state.viewport_width;
        *height = state.viewport_height;
 
-       for (attr = node->properties; attr; attr = attr->next) {
-               const char *name = (const char *) attr->name;
-               const char *content = (const char *) attr->children->content;
-               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);
+       exc = dom_element_get_attribute(node, state.interned_x, &attr);
+       if (exc == DOM_NO_ERR && attr != NULL) {
+               *x = svgtiny_parse_length(attr, state.viewport_width, state);
+               dom_string_unref(attr);
+       }
+
+       exc = dom_element_get_attribute(node, state.interned_y, &attr);
+       if (exc == DOM_NO_ERR && attr != NULL) {
+               *y = svgtiny_parse_length(attr, state.viewport_height, state);
+               dom_string_unref(attr);
+       }
+
+       exc = dom_element_get_attribute(node, state.interned_width, &attr);
+       if (exc == DOM_NO_ERR && attr != NULL) {
+               *width = svgtiny_parse_length(attr, state.viewport_width,
+                                             state);
+               dom_string_unref(attr);
+       }
+
+       exc = dom_element_get_attribute(node, state.interned_height, &attr);
+       if (exc == DOM_NO_ERR && attr != NULL) {
+               *height = svgtiny_parse_length(attr, state.viewport_height,
+                                              state);
+               dom_string_unref(attr);
        }
 }
 
@@ -1095,7 +1107,7 @@ static float _svgtiny_parse_length(const char *s, int viewport_size,
 float svgtiny_parse_length(dom_string *s, int viewport_size,
                           const struct svgtiny_parse_state state)
 {
-       const char *ss = strndup(dom_string_data(s), dom_string_length(s));
+       char *ss = strndup(dom_string_data(s), dom_string_length(s));
        float ret = _svgtiny_parse_length(ss, viewport_size, state);
        free(ss);
        return ret;
@@ -1108,49 +1120,61 @@ float svgtiny_parse_length(dom_string *s, int viewport_size,
 void svgtiny_parse_paint_attributes(const dom_element *node,
                struct svgtiny_parse_state *state)
 {
-       const xmlAttr *attr;
+       dom_string *attr;
+       dom_exception exc;
+       
+       exc = dom_element_get_attribute(node, state->interned_fill, &attr);
+       if (exc == DOM_NO_ERR && attr != NULL) {
+               svgtiny_parse_color(attr, &state->fill, state);
+               dom_string_unref(attr);
+       }
 
-       for (attr = node->properties; attr; attr = attr->next) {
-               const char *name = (const char *) attr->name;
-               const char *content = (const char *) attr->children->content;
-               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 *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,
+       exc = dom_element_get_attribute(node, state->interned_stroke, &attr);
+       if (exc == DOM_NO_ERR && attr != NULL) {
+               svgtiny_parse_color(attr, &state->stroke, state);
+               dom_string_unref(attr);
+       }
+
+       exc = dom_element_get_attribute(node, state->interned_stroke_width, &attr);
+       if (exc == DOM_NO_ERR && attr != NULL) {
+               state->stroke_width = svgtiny_parse_length(attr,
                                                state->viewport_width, *state);
-                               free(value);
-                       }
+               dom_string_unref(attr);
+       }
+
+       exc = dom_element_get_attribute(node, state->interned_style, &attr);
+       if (exc == DOM_NO_ERR && attr != NULL) {
+               char *style = strndup(dom_string_data(attr),
+                                     dom_string_length(attr));
+               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);
+               }
+               free(style);
+               dom_string_unref(attr);
        }
 }
 
@@ -1159,7 +1183,7 @@ void svgtiny_parse_paint_attributes(const dom_element *node,
  * Parse a colour.
  */
 
-void svgtiny_parse_color(const char *s, svgtiny_colour *c,
+static void _svgtiny_parse_color(const char *s, svgtiny_colour *c,
                struct svgtiny_parse_state *state)
 {
        unsigned int r, g, b;
@@ -1218,6 +1242,13 @@ void svgtiny_parse_color(const char *s, svgtiny_colour *c,
        }
 }
 
+void svgtiny_parse_color(dom_string *s, svgtiny_colour *c,
+               struct svgtiny_parse_state *state)
+{
+       char *ss = strndup(dom_string_data(s), dom_string_length(s));
+       _svgtiny_parse_color(ss, c, state);
+       free(ss);
+}
 
 /**
  * Parse font attributes, if present.
@@ -1226,6 +1257,10 @@ void svgtiny_parse_color(const char *s, svgtiny_colour *c,
 void svgtiny_parse_font_attributes(const dom_element *node,
                struct svgtiny_parse_state *state)
 {
+       /* TODO: Implement this, it never used to be */
+       UNUSED(node);
+       UNUSED(state);
+#ifdef WRITTEN_THIS_PROPERLY
        const xmlAttr *attr;
 
        UNUSED(state);
@@ -1241,6 +1276,7 @@ void svgtiny_parse_font_attributes(const dom_element *node,
                        }*/
                }
         }
+#endif
 }
 
 
@@ -1254,14 +1290,19 @@ void svgtiny_parse_transform_attributes(dom_element *node,
                struct svgtiny_parse_state *state)
 {
        char *transform;
-
-       /* parse transform */
-       transform = (char *) xmlGetProp(node, (const xmlChar *) "transform");
-       if (transform) {
+       dom_string *attr;
+       dom_exception exc;
+       
+       exc = dom_element_get_attribute(node, state->interned_transform,
+                                       &attr);
+       if (exc == DOM_NO_ERR && attr != NULL) {
+               transform = strndup(dom_string_data(attr),
+                                   dom_string_length(attr));
                svgtiny_parse_transform(transform, &state->ctm.a, &state->ctm.b,
                                &state->ctm.c, &state->ctm.d,
                                &state->ctm.e, &state->ctm.f);
-               xmlFree(transform);
+               free(transform);
+               dom_string_unref(attr);
        }
 }