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Added support for reading environmental variables on compile time - $%envVarName%.

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git-svn-id: https://svn.code.sf.net/p/nsis/code/NSIS/trunk@3205 212acab6-be3b-0410-9dea-997c60f758d6
This commit is contained in:
kichik 2003-11-25 06:25:31 +00:00
parent b6a98d86c3
commit 5e2948eda9
1 changed files with 39 additions and 7 deletions
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46
Source/script.cpp
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@ -417,9 +417,9 @@ void CEXEBuild::ps_addtoline(const char *str, GrowBuf &linedata, StringList &his
void CEXEBuild::ps_addtoline(const char *str, GrowBuf &linedata, StringList &hist)
#endif
{
// convert $\r, $\n to their literals
// preprocessor replace ${VAR} with whatever value
// note that if VAR does not exist, ${VAR} will go through unmodified
// convert $\r, $\n to their literals
// preprocessor replace ${VAR} and $%VAR% with whatever value
// note that if VAR does not exist, ${VAR} or $%VAR% will go through unmodified
const char *in=str;
while (*in)
{
@ -485,7 +485,39 @@ void CEXEBuild::ps_addtoline(const char *str, GrowBuf &linedata, StringList &his
add=0;
hist.add((char*)defname.get(),0);
#ifdef NSIS_FIX_DEFINES_IN_STRINGS
ps_addtoline(t,linedata,hist, true);
ps_addtoline(t,linedata,hist,true);
#else
ps_addtoline(t,linedata,hist);
#endif
hist.delbypos(hist.find((char*)defname.get(),0));
}
}
free(s);
}
else if (in[0] == '%')
{
char *s=strdup(in+1);
char *t=s;
while (*t)
{
if (*t == '%') break;
t=CharNext(t);
}
if (*t && t!=s)
{
*t=0;
// check for defines inside the define name - ${bla${blo}}
GrowBuf defname;
ps_addtoline(s,defname,hist);
defname.add("",1);
t=getenv((char*)defname.get());
if (t && hist.find((char*)defname.get(),0)<0)
{
in+=strlen(s)+2;
add=0;
hist.add((char*)defname.get(),0);
#ifdef NSIS_FIX_DEFINES_IN_STRINGS
ps_addtoline(t,linedata,hist,true);
#else
ps_addtoline(t,linedata,hist);
#endif
@ -495,9 +527,9 @@ void CEXEBuild::ps_addtoline(const char *str, GrowBuf &linedata, StringList &his
free(s);
}
#ifdef NSIS_FIX_DEFINES_IN_STRINGS
else if (in[0] == '$' )
else if (in[0] == '$')
{
if ( in[1] == '{' ) // Found $$ before - Don't replace this define
if (in[1] == '{') // Found $$ before - Don't replace this define
{
char *s=strdup(in+2);
char *t=s;
@ -508,7 +540,7 @@ void CEXEBuild::ps_addtoline(const char *str, GrowBuf &linedata, StringList &his
if (*t == '}' && bn-- == 0) break;
t=CharNext(t);
}
if (*t && t!=s )
if (*t && t!=s)
{
*t=0;
// add text unchanged