123 lines
3.8 KiB
C
123 lines
3.8 KiB
C
//
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// Author: Wolfgang Spraul
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//
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// This is free and unencumbered software released into the public domain.
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// For details see the UNLICENSE file at the root of the source tree.
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//
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#include <stdio.h>
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#include <string.h>
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#include <stdlib.h>
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#include <stdint.h>
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#include <assert.h>
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#include <sys/stat.h>
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#include <libxml/tree.h>
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#include <libxml/parser.h>
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#include <libxml/xpath.h>
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#include <libxml/xpathInternals.h>
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#include "model.h"
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#define VERT_TILE_SPACING 45
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#define HORIZ_TILE_SPACING 160
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int main(int argc, char** argv)
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{
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static const xmlChar* empty_svg = (const xmlChar*)
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"<?xml version=\"1.0\" encoding=\"UTF-8\"?>\n"
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"<svg version=\"2.0\"\n"
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" xmlns=\"http://www.w3.org/2000/svg\"\n"
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" xmlns:xlink=\"http://www.w3.org/1999/xlink\"\n"
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" xmlns:fpga=\"http://qi-hw.com/fpga\"\n"
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" id=\"root\">\n"
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"<style type=\"text/css\"><![CDATA[text{font-size:8pt;font-family:sans-serif;text-anchor:end;}]]></style>\n"
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"</svg>\n";
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xmlDocPtr doc = 0;
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xmlXPathContextPtr xpathCtx = 0;
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xmlXPathObjectPtr xpathObj = 0;
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xmlNodePtr new_node;
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struct fpga_model model = {0};
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char str[128];
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int i, j;
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// can't get indent formatting to work - use 'xmllint --pretty 1 -'
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// on the output for now
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xmlInitParser();
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if (fpga_build_model(&model, XC6SLX9_ROWS, XC6SLX9_COLUMNS,
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XC6SLX9_LEFT_WIRING, XC6SLX9_RIGHT_WIRING))
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goto fail;
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doc = xmlParseDoc(empty_svg);
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if (!doc) {
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fprintf(stderr, "Internal error %i.\n", __LINE__);
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goto fail;
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}
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xpathCtx = xmlXPathNewContext(doc);
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if (!xpathCtx) {
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fprintf(stderr, "Cannot create XPath context.\n");
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goto fail;
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}
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xmlXPathRegisterNs(xpathCtx, BAD_CAST "svg", BAD_CAST "http://www.w3.org/2000/svg");
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xpathObj = xmlXPathEvalExpression(BAD_CAST "//svg:*[@id='root']", xpathCtx);
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if (!xpathObj) {
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fprintf(stderr, "Cannot evaluate root expression.\n");
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goto fail;
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}
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if (!xpathObj->nodesetval) {
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fprintf(stderr, "Cannot find root node.\n");
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goto fail;
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}
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if (xpathObj->nodesetval->nodeNr != 1) {
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fprintf(stderr, "Found %i root nodes.\n", xpathObj->nodesetval->nodeNr);
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goto fail;
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}
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for (i = 0; i < model.y_height; i++) {
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for (j = 0; j < model.x_width; j++) {
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sprintf(str, "y%i x%i:", i, j);
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new_node = xmlNewChild(xpathObj->nodesetval->nodeTab[0],
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0 /* xmlNsPtr */, BAD_CAST "text", BAD_CAST str);
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xmlSetProp(new_node, BAD_CAST "x",
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xmlXPathCastNumberToString(HORIZ_TILE_SPACING + j*HORIZ_TILE_SPACING));
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xmlSetProp(new_node, BAD_CAST "y",
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xmlXPathCastNumberToString(20
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+ VERT_TILE_SPACING + i*VERT_TILE_SPACING));
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strcpy(str, fpga_tiletype_str(
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model.tiles[i*model.x_width+j].type));
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new_node = xmlNewChild(xpathObj->nodesetval->nodeTab[0],
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0 /* xmlNsPtr */, BAD_CAST "text", BAD_CAST str);
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xmlSetProp(new_node, BAD_CAST "x",
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xmlXPathCastNumberToString(HORIZ_TILE_SPACING + j*HORIZ_TILE_SPACING));
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xmlSetProp(new_node, BAD_CAST "y",
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xmlXPathCastNumberToString(20 + VERT_TILE_SPACING + i*VERT_TILE_SPACING + 14));
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xmlSetProp(new_node, BAD_CAST "fpga:tile_y", BAD_CAST xmlXPathCastNumberToString(i));
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xmlSetProp(new_node, BAD_CAST "fpga:tile_x", BAD_CAST xmlXPathCastNumberToString(j));
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}
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}
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xmlSetProp(xpathObj->nodesetval->nodeTab[0], BAD_CAST "width",
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BAD_CAST xmlXPathCastNumberToString(model.x_width * HORIZ_TILE_SPACING + HORIZ_TILE_SPACING/2));
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xmlSetProp(xpathObj->nodesetval->nodeTab[0], BAD_CAST "height",
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BAD_CAST xmlXPathCastNumberToString(20 + VERT_TILE_SPACING
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+ model.y_height * VERT_TILE_SPACING + 20));
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xmlDocFormatDump(stdout, doc, 1 /* format */);
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xmlXPathFreeObject(xpathObj);
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xmlXPathFreeContext(xpathCtx);
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xmlFreeDoc(doc);
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xmlCleanupParser();
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fpga_free_model(&model);
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return EXIT_SUCCESS;
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fail:
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if (xpathObj) xmlXPathFreeObject(xpathObj);
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if (xpathCtx) xmlXPathFreeContext(xpathCtx);
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if (doc) xmlFreeDoc(doc);
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xmlCleanupParser();
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fpga_free_model(&model);
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return EXIT_FAILURE;
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}
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