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new files to make EM_JS stuff sharable

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This commit is contained in:
Eric House 2021-02-16 15:08:58 -08:00
parent 007e1e4acb
commit 5abf13c4a2
4 changed files with 68 additions and 37 deletions
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2
xwords4/wasm/Makefile
View file

@ -20,7 +20,7 @@ include ../common/config.mk
DEBS = cmake
INPUTS = main.c wasmdict.c wasmutls.c wasmdraw.c wasmutil.c wasmdutil.c ${COMMONSRC}
INPUTS = main.c wasmdict.c wasmutls.c wasmdraw.c wasmutil.c wasmdutil.c wasmasm.c ${COMMONSRC}
DEFINES += -DXWFEATURE_CHAT
DEFINES += -DXWFEATURE_BONUSALL

40
xwords4/wasm/wasmasm.c Normal file
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@ -0,0 +1,40 @@
/* -*- compile-command: "cd ../wasm && make -j3 MEMDEBUG=TRUE install"; -*- */
/*
* Copyright 2021 by Eric House (xwords@eehouse.org). All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#include <emscripten.h>
#include "wasmasm.h"
EM_JS(const char*, get_stored_value, (const char* key), {
var result = null;
var jsKey = UTF8ToString(key);
var jsString = localStorage.getItem(jsKey);
if ( jsString != null ) {
var lengthBytes = lengthBytesUTF8(jsString)+1;
result = _malloc(lengthBytes);
stringToUTF8(jsString, result, lengthBytes);
}
return result;
});
EM_JS(void, set_stored_value, (const char* key, const char* val), {
var jsKey = UTF8ToString(key);
var jsVal = UTF8ToString(val);
var jsString = localStorage.setItem(jsKey, jsVal);
});

26
xwords4/wasm/wasmasm.h Normal file
View file

@ -0,0 +1,26 @@
/* -*- compile-command: "cd ../wasm && make main.html -j3"; -*- */
/*
* Copyright 2021 by Eric House (xwords@eehouse.org). All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
#ifndef _WASMASM_H_
#define _WASMASM_H_
const char* get_stored_value( const char* key );
void set_stored_value(const char* key, const char* val);
#endif

37
xwords4/wasm/wasmdutil.c
View file

@ -25,6 +25,7 @@
#include "main.h"
#include "dbgutil.h"
#include "LocalizedStrIncludes.h"
#include "wasmasm.h"
typedef struct _WasmDUtilCtxt {
XW_DUtilCtxt super;
@ -162,42 +163,6 @@ base16Decode( uint8_t* decodeBuf, int len, const char* str )
XP_ASSERT( offset == len );
}
/* static void testBase16() */
/* { */
/* const XP_U8 testBuf[] = {0x03, 0x04, 0x78, 0xF8, 0x99 }; */
/* XP_UCHAR chars[(VSIZE(testBuf) * 2) + 1]; */
/* base16Encode( testBuf, VSIZE(testBuf), chars, sizeof(chars) ); */
/* int len = XP_STRLEN( chars ); */
/* XP_U8 decodeBuf[len / 2]; */
/* base16Decode( decodeBuf, VSIZE(decodeBuf), chars ); */
/* XP_ASSERT( 0 == XP_MEMCMP( testBuf, decodeBuf, VSIZE(testBuf) ) ); */
/* } */
EM_JS(const char*, get_stored_value, (const char* key), {
var result = null;
var jsKey = UTF8ToString(key);
var jsString = localStorage.getItem(jsKey);
if ( jsString != null ) {
var lengthBytes = lengthBytesUTF8(jsString)+1;
var result = _malloc(lengthBytes);
stringToUTF8(jsString, result, lengthBytes);
}
return result;
});
EM_JS(void, set_stored_value, (const char* key, const char* val), {
var jsKey = UTF8ToString(key);
var jsVal = UTF8ToString(val);
var jsString = localStorage.setItem(jsKey, jsVal);
});
/* EM_JS(void, clear_stored, (), { */
/* localStorage.clear(); */
/* }); */
static void
wasm_dutil_loadPtr( XW_DUtilCtxt* duc, XWEnv xwe, const XP_UCHAR* key,
const XP_UCHAR* keySuffix, void* data, XP_U16* lenp )