From 3e11dbf377f2b60a27c1eaa4b4e997f30b48e25a Mon Sep 17 00:00:00 2001
From: Aayush <suranaaayush98@gmail.com>
Date: Mon, 26 Aug 2019 16:47:51 +0530
Subject: [PATCH] parser for pd_message->ascii_art
---
pd/nw/pd_message_parser.js | 201 +++++++++++++++++++++++++++++++++++++
1 file changed, 201 insertions(+)
create mode 100644 pd/nw/pd_message_parser.js
diff --git a/pd/nw/pd_message_parser.js b/pd/nw/pd_message_parser.js
new file mode 100644
index 000000000..c5fcab6d1
--- /dev/null
+++ b/pd/nw/pd_message_parser.js
@@ -0,0 +1,201 @@
+//Example message
+"use strict";
+
+var pd_message = "#X obj 36 60 inlet;\n#X obj 36 416 outlet;\n#X obj 68 387 send;\n#X obj 93 282 loadbang;\n#X msg 93 308 dollarzero;\n#X obj 93 334 canvasinfo 1;\n#X msg 93 359 symbol \$1-result;\n#X connect 0 0 5 0;\n#X connect 1 0 4 0;\n#X connect 3 0 2 0;\n#X connect 4 0 3 0;\n#X connect 4 1 0 0;"
+var x=parse_pd_message(pd_message);
+alert(x);
+document.getElementById("demo").innerHTML = x;
+function makeArray(w, h, val) {
+ var arr = [];
+ for(let i = 0; i < h; i++) {
+ arr[i] = [];
+ for(let j = 0; j < w-1; j++) {
+ arr[i][j] = val;
+ }
+ arr[i][h-1]="\n<br>";
+ }
+ return arr;
+}
+
+function compare(a,b) {
+ if ( a.x < b.x ) return -1;
+ if ( a.x > b.x ) return 1;
+ return a.y - b.y;
+}
+
+function make_connection(matrix, connection, object1, object2, cell_x1, cell_y1, cell_x2, cell_y2) {
+ if ( cell_y1 == cell_y2 ) {
+ for ( let i = cell_x1+1 ; i < cell_x2 ; i++ ) {
+ matrix[i][cell_y1] = "|";
+ }
+ } else if ( cell_y1 < cell_y2 ) {
+ for ( let i = cell_x1+1 ; i < cell_x2 - 2; i++ ) {
+ matrix[i][cell_y1] = "|";
+ }
+ matrix[cell_x2-2][cell_y1] = "+";
+ for ( let j = cell_y1 + 1 ; j < cell_y2 ; j++ ) {
+ matrix[cell_x2 - 2][j] = "-";
+ }
+ matrix[cell_x2 - 2][cell_y2] = "+";
+ matrix[cell_x2 - 1][cell_y2] = "|";
+ } else {
+ for ( let i = cell_x1+1 ; i < cell_x2 - 2; i++ ) {
+ matrix[i][cell_y1] = "|";
+ }
+ matrix[cell_x2-2][cell_y1] = "+";
+ for ( let j = cell_y1 - 1 ; j > cell_y2 ; j-- ) {
+ matrix[cell_x2 - 2][j] = "-";
+ }
+ matrix[cell_x2 - 2][cell_y2] = "+";
+ matrix[cell_x2 - 1][cell_y2] = "|";
+ }
+}
+
+function parse_pd_message(message) {
+ var i,j,l,lines,
+ splitted_str,
+ temp_str,
+ obj_msg_info = [],
+ connection_info = [],
+ count = 0,
+ counter = 0,
+ str_count = 0,
+ object_msg_index_info = {},
+ matrix = makeArray(100,100,' ');
+
+ message.replace("\n" ,"");
+ lines = message.split(";");
+
+ for ( i = 0 ; i<lines.length-1 ; i++ ) {
+ lines[i].replace(";\n","");
+ splitted_str = lines[i].split(" ");
+
+ if ( splitted_str[1] == "connect") {
+ connection_info.push({start : splitted_str[2],
+ end : splitted_str[4],
+ point1 : splitted_str[3],
+ point2 : splitted_str[5]});
+ } else {
+ temp_str = splitted_str.slice(4,splitted_str.length);
+ obj_msg_info.push({type : splitted_str[1],
+ x : splitted_str[2],
+ y : splitted_str[3],
+ obj_no : count,
+ text : temp_str,
+ cell_start_x : 0,
+ cell_start_y : 0,
+ cell_end_x : 0,
+ cell_end_y : 0});
+ count = count+1;
+ }
+ }
+
+ obj_msg_info.sort(compare);
+ i=0;
+ j=0;
+ counter=0;
+ while( counter < obj_msg_info.length ) {
+ if(counter == 0) {
+ obj_msg_info[counter].cell_start_x = i;
+ obj_msg_info[counter].cell_start_y = j;
+ matrix[i][j] = "[";
+ j++;
+ str_count=0;
+ for ( l = j ; l < j + obj_msg_info[counter].text[0].length ; l++ ) {
+ matrix[i][l] = obj_msg_info[counter].text[0][str_count];
+ str_count++;
+ }
+ j=l;
+ if (obj_msg_info[counter].type == "obj")
+ matrix[i][j]="]";
+ else
+ matrix[i][j]="(";
+ obj_msg_info[counter].cell_end_x = i;
+ obj_msg_info[counter].cell_end_y = j;
+ counter+=1;
+ }
+ else {
+ if (obj_msg_info[counter].x == obj_msg_info[counter-1].x) {
+ j += 5;
+ j += (obj_msg_info[counter].y - obj_msg_info[counter-1].y)/50;
+ j = Math.floor(j);
+ obj_msg_info[counter].cell_start_x = i;
+ obj_msg_info[counter].cell_start_y = j;
+ matrix[i][j] = "[";
+ j++;
+ str_count=0;
+ for ( l = j ; l < j + obj_msg_info[counter].text[0].length ; l++ ) {
+ matrix[i][l] = obj_msg_info[counter].text[0][str_count];
+ str_count++;
+ }
+ j=l;
+ if (obj_msg_info[counter].type == "obj")
+ matrix[i][j]="]";
+ else
+ matrix[i][j]="(";
+ obj_msg_info[counter].cell_end_x = i;
+ obj_msg_info[counter].cell_end_y = j;
+ }
+ else {
+ i += 3;
+ i += (obj_msg_info[counter].x - obj_msg_info[counter-1].x)/10;
+ i = Math.floor(i);
+ j = ( obj_msg_info[counter].y)/50;
+ j = Math.floor(j);
+ obj_msg_info[counter].cell_start_x = i;
+ obj_msg_info[counter].cell_start_y = j;
+ matrix[i][j] = "[";
+ j++;
+ str_count=0;
+ for ( l = j ; l < j + obj_msg_info[counter].text[0].length ; l++ ) {
+ matrix[i][l] = obj_msg_info[counter].text[0][str_count];
+ str_count++;
+ }
+ j=l;
+ if (obj_msg_info[counter].type == "obj")
+ matrix[i][j]="]";
+ else
+ matrix[i][j]="(";
+ obj_msg_info[counter].cell_end_x = i;
+ obj_msg_info[counter].cell_end_y = j;
+ }
+ counter+=1;
+ }
+ }
+
+ for ( i = 0 ; i < obj_msg_info.length ; i++ ) {
+ //alert([obj_msg_info[i].obj_no,obj_msg_info[i].cell_start_x,obj_msg_info[i].cell_start_y,obj_msg_info[i].cell_end_x,obj_msg_info[i].cell_end_y]);
+ object_msg_index_info[obj_msg_info[i].obj_no] = {cell_start_x:obj_msg_info[i].cell_start_x,
+ cell_start_y:obj_msg_info[i].cell_start_y,
+ cell_end_x:obj_msg_info[i].cell_end_x,
+ cell_end_y:obj_msg_info[i].cell_end_y};
+
+ }
+ for ( i = 0 ; i < connection_info.length ; i++ ) {
+ if ( object_msg_index_info[connection_info[i].start].cell_start_x < object_msg_index_info[connection_info[i].end].cell_start_x ) {
+ if ( connection_info[i].point1 == 0 && connection_info[i].point2 == 0 ) {
+ make_connection(matrix,connection_info[i], object_msg_index_info[connection_info[i].start], object_msg_index_info[connection_info[i].end], object_msg_index_info[connection_info[i].start].cell_start_x, object_msg_index_info[connection_info[i].start].cell_start_y, object_msg_index_info[connection_info[i].end].cell_start_x, object_msg_index_info[connection_info[i].end].cell_start_y );
+ } else if ( connection_info[i].point1 == 0 && connection_info[i].point2 != 0 ) {
+ make_connection(matrix,connection_info[i], object_msg_index_info[connection_info[i].start], object_msg_index_info[connection_info[i].end], object_msg_index_info[connection_info[i].start].cell_start_x, object_msg_index_info[connection_info[i].start].cell_start_y, object_msg_index_info[connection_info[i].end].cell_end_x , object_msg_index_info[connection_info[i].end].cell_end_y );
+ } else if ( connection_info[i].point1 != 0 && connection_info[i].point2 == 0 ) {
+ make_connection(matrix,connection_info[i], object_msg_index_info[connection_info[i].start], object_msg_index_info[connection_info[i].end], object_msg_index_info[connection_info[i].start].cell_end_x, object_msg_index_info[connection_info[i].start].cell_end_y, object_msg_index_info[connection_info[i].end].cell_start_x, object_msg_index_info[connection_info[i].end].cell_start_y );
+ } else {
+ make_connection(matrix,connection_info[i], object_msg_index_info[connection_info[i].start], object_msg_index_info[connection_info[i].end], object_msg_index_info[connection_info[i].start].cell_end_x, object_msg_index_info[connection_info[i].start].cell_end_y, object_msg_index_info[connection_info[i].end].cell_end_x , object_msg_index_info[connection_info[i].end].cell_end_y );
+ }
+ } else {
+ if ( connection_info[i].point1 == 0 && connection_info[i].point2 == 0 ) {
+ make_connection(matrix,connection_info[i], object_msg_index_info[connection_info[i].end], object_msg_index_info[connection_info[i].start], object_msg_index_info[connection_info[i].end].cell_start_x, object_msg_index_info[connection_info[i].end].cell_start_y,
+ object_msg_index_info[connection_info[i].start].cell_start_x, object_msg_index_info[connection_info[i].start].cell_start_y);
+ } else if ( connection_info[i].point1 == 0 && connection_info[i].point2 != 0 ) {
+ make_connection(matrix,connection_info[i], object_msg_index_info[connection_info[i].end], object_msg_index_info[connection_info[i].start], object_msg_index_info[connection_info[i].end].cell_end_x , object_msg_index_info[connection_info[i].end].cell_end_y,
+ object_msg_index_info[connection_info[i].start].cell_start_x, object_msg_index_info[connection_info[i].start].cell_start_y);
+ } else if ( connection_info[i].point1 != 0 && connection_info[i].point2 == 0 ) {
+ make_connection(matrix,connection_info[i], object_msg_index_info[connection_info[i].end], object_msg_index_info[connection_info[i].start], object_msg_index_info[connection_info[i].end].cell_start_x, object_msg_index_info[connection_info[i].end].cell_start_y,
+ object_msg_index_info[connection_info[i].start].cell_end_x, object_msg_index_info[connection_info[i].start].cell_end_y);
+ } else {
+ make_connection(matrix,connection_info[i], object_msg_index_info[connection_info[i].end], object_msg_index_info[connection_info[i].start], object_msg_index_info[connection_info[i].end].cell_end_x , object_msg_index_info[connection_info[i].end].cell_end_y, object_msg_index_info[connection_info[i].start].cell_end_x, object_msg_index_info[connection_info[i].start].cell_end_y );
+ }
+ }
+ }
+ return matrix;
+}
\ No newline at end of file
--
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