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annotate base/src/java/nonstandard/SharedLib.d @ 46:17310ba3c1bc

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Moved all load lib functionality into own module
author Frank Benoit <benoit@tionex.de>
date Fri, 27 Mar 2009 11:10:45 +0100
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children 65761bc28ab2
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17310ba3c1bc Moved all load lib functionality into own module
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1 module java.nonstandard.SharedLib;
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2
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3 import java.lang.all;
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4
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5 struct Symbol {
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6 String name;
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7 void** symbol;
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8 }
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9
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10 struct SymbolVersioned2 {
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11 String name;
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12 void** symbol;
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13 int major;
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14 int minor;
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15 }
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16
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17 struct SharedLib {
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18 static void loadLibSymbols( SymbolVersioned2[] symbols, String libname, int major, int minor ){
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19 version(Tango){
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20 if (auto lib = tango.sys.SharedLib.SharedLib.load(libname)) {
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21 foreach( inout s; symbols ){
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22 if( s.major < major ) continue;
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23 if( s.major == major && s.minor > minor ) continue;
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24 *s.symbol = lib.getSymbol( s.name.ptr );
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25 if( s.symbol is null ){
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26 getDwtLogger.error( __FILE__, __LINE__, "{}: Symbol '{}' not found", libname, s.name );
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27 }
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28 }
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29 } else {
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30 getDwtLogger.error( __FILE__, __LINE__, "Could not load the library {}", libname );
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31 }
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32 } else { // Phobos
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33 implMissing( __FILE__, __LINE__ );
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34 }
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35 }
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36 static void loadLibSymbols( Symbol[] symbols, String libname ){
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37 version(Tango){
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38 if (auto lib = tango.sys.SharedLib.SharedLib.load(libname)) {
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39 foreach( inout s; symbols ){
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40 *s.symbol = lib.getSymbol( s.name.ptr );
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41 if( s.symbol is null ){
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42 getDwtLogger.error( __FILE__, __LINE__, "{}: Symbol '{}' not found", libname, s.name );
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43 }
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44 }
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45 } else {
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46 getDwtLogger.error( __FILE__, __LINE__, "Could not load the library {}", libname );
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47 }
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48 } else { // Phobos
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49 implMissing( __FILE__, __LINE__ );
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50 }
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51 }
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52 static bool tryUseSymbol( String symbolname, String libname, void delegate( void*) dg ){
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53 bool result = false;
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54 version(Tango){
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55 if (auto lib = tango.sys.SharedLib.SharedLib.load( libname ) ) {
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56 void* ptr = lib.getSymbol(symbolname);
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57 if (ptr !is null){
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58 dg(ptr);
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59 result = true;
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60 }
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61 lib.unload();
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62 }
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63 } else { // Phobos
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64 implMissing( __FILE__, __LINE__ );
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65 }
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66 return result;
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67 }
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68 }
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