569 lines
13 KiB
C++
569 lines
13 KiB
C++
// Copyright (c) 2008, Simone Cociancich
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// All rights reserved.
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// * Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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// * Redistributions in binary form must reproduce the above copyright notice,
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// this list of conditions and the following disclaimer in the documentation
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// and/or other materials provided with the distribution.
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// * Neither the name of the Aegisub Group nor the names of its contributors
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// may be used to endorse or promote products derived from this software
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// without specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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// IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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// ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// -----------------------------------------------------------------------------
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//
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// AEGISUB
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//
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// Website: http://aegisub.cellosoft.com
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// Contact: mailto:jiifurusu@gmail.com
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//
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#ifdef WITH_PERL
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#include "auto4_perl.h"
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#include "auto4_perl_console.h"
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#include "options.h"
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#include "ass_style.h"
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#define COLLECT_PV(buf, s, e) \
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buf = wxString(SvPV_nolen(ST(s)), pl2wx);\
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for(int ARG_i = s+1; ARG_i <= e; ARG_i++) {\
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buf << _T(" ") << wxString(SvPV_nolen(ST(ARG_i)), pl2wx);\
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}
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namespace Automation4 {
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///////////////////////////////////
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// Perl -> C++ interface (XSUBS)
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//
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/* Aegisub */
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XS(perl_log) // Aegisub::log()
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{
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wxTRACE_FUNC(Aegisub::log);
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dXSARGS;
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IV level = 6;
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int start = 0;
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if(items >= 2 && SvIOK(ST(0))) {
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level = SvIV(ST(0));
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start = 1;
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}
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wxString msg;
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COLLECT_PV(msg, start, items-1);
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PerlLog(level, msg);
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}
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XS(perl_warning) // Aegisub::warn()
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{
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wxTRACE_FUNC(Aegisub::warn);
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dXSARGS;
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if(items >= 1) {
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wxString buf;
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COLLECT_PV(buf, 0, items-1);
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PerlLogWarning(buf);
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}
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}
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XS(perl_text_extents) // Aegisub::text_extents
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{
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wxTRACE_FUNC(Aegisub::text_extents);
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dXSARGS;
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// Read the parameters
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SV *style; wxString text;
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if(items >= 2) {
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// Enough of them
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style = sv_mortalcopy(ST(0));
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text = wxString(SvPV_nolen(ST(1)), pl2wx);
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}
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else {
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/* TODO maybe: emit warning */
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// We needed 2 parameters at least!
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XSRETURN_UNDEF;
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}
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// Get the AssStyle
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AssStyle *s;
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if(SvROK(style)) {
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// Create one from the hassh
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s = PerlAss::MakeAssStyle((HV*)SvRV(style));
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}
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else {
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// It's the name of the style
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wxString sn(SvPV_nolen(style), pl2wx);
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// We get it from the AssFile::top
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s = AssFile::top->GetStyle(sn);
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/* TODO maybe: make it dig from the current hassh's styles */
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if(!s)
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XSRETURN_UNDEF;
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}
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// The return parameters
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double width, height, descent, extlead;
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// The actual calculation
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if(!CalculateTextExtents(s, text, width, height, descent, extlead)) {
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/* TODO: diagnose error */
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XSRETURN_EMPTY;
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}
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// Returns
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switch(GIMME_V) {
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case G_SCALAR:
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// Scalar context
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XSRETURN_NV(width);
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break;
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default:
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case G_ARRAY:
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// List context
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EXTEND(SP, 4);
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XST_mNV(0, width);
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XST_mNV(1, height);
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XST_mNV(2, descent);
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XST_mNV(3, extlead);
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XSRETURN(4);
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}
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}
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/* Aegisub::Script */
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XS(perl_script_set_info)
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{
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wxTRACE_FUNC(Aegisub::Script::set_info);
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dXSARGS;
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PerlScript *active = PerlScript::GetScript();
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if(active) {
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// Update the object's vars
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active->ReadVars();
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// We want at most 4 parameters :P
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if(items > 4) items = 4;
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// Set script info vars
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switch (items) {
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case 4:
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active->SetVersion(wxString(SvPV_nolen(ST(3)), pl2wx));
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case 3:
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active->SetAuthor(wxString(SvPV_nolen(ST(2)), pl2wx));
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case 2:
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active->SetDescription(wxString(SvPV_nolen(ST(1)), pl2wx));
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case 1:
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active->SetName(wxString(SvPV_nolen(ST(0)), pl2wx));
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}
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// Update the package's vars
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active->WriteVars();
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}
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}
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XS(perl_script_register_macro)
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{
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wxTRACE_FUNC(Aegisub::Script::register_macro);
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dXSARGS;
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PerlScript *active = PerlScript::GetScript();
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if(active && items >= 3) {
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wxString name, description;
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SV *proc_sub = NULL, *val_sub = NULL;
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if(items > 4) items = 4;
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switch (items) {
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case 4:
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val_sub = sv_mortalcopy(ST(3));
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case 3:
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proc_sub = sv_mortalcopy(ST(2));
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description = wxString(SvPV_nolen(ST(1)), pl2wx);
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name = wxString(SvPV_nolen(ST(0)), pl2wx);
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}
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if(proc_sub) {
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active->AddFeature(new PerlFeatureMacro(name, description, active, proc_sub, val_sub));
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XSRETURN_YES;
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}
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}
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XSRETURN_UNDEF;
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}
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/* Aegisub::Progress */
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XS(perl_progress_set)
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{
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wxTRACE_FUNC(Aegisub::Progress::set_progress);
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dXSARGS;
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PerlProgressSink *ps = PerlProgressSink::GetProgressSink();
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if(ps && items >= 1) {
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NV pc = SvNV(ST(0));
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if(pc <= 1) pc *= 100;
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if(pc > 100) pc = 100;
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ps->SetProgress(pc);
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wxWakeUpIdle();
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}
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}
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XS(perl_progress_task)
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{
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wxTRACE_FUNC(Aegisub::Progress::set_task);
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dXSARGS;
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PerlProgressSink *ps = PerlProgressSink::GetProgressSink();
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if(ps && items >= 1) {
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wxString task;
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COLLECT_PV(task, 0, items-1);
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ps->SetTask(task);
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wxWakeUpIdle();
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}
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}
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XS(perl_progress_title)
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{
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wxTRACE_FUNC(Aegisub::Progress::set_title);
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dXSARGS;
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PerlProgressSink *ps = PerlProgressSink::GetProgressSink();
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if(ps && items >= 1) {
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wxString title;
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COLLECT_PV(title, 0, items-1);
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ps->SetTitle(title);
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wxWakeUpIdle();
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}
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}
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XS(perl_progress_cancelled)
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{
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wxTRACE_FUNC(Aegisub::Progress::is_cancelled);
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dXSARGS;
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if(PerlProgressSink *ps = PerlProgressSink::GetProgressSink()) {
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if(ps->IsCancelled()) XSRETURN_YES;
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else XSRETURN_NO;
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}
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else {
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XSRETURN_UNDEF;
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}
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}
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/* Aegisub::PerlConsole */
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XS(perl_console_register)
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{
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wxTRACE_FUNC(Aegisub::PerlConsole::register_console);
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dXSARGS;
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PerlScript *script = PerlScript::GetScript();
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if(script) {
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wxString name = _T("Perl console");
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wxString desc = _T("Show the Perl console");
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switch (items) {
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case 2:
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desc = wxString(SvPV_nolen(ST(1)), pl2wx);
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case 1:
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name = wxString(SvPV_nolen(ST(0)), pl2wx);
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}
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if(!PerlConsole::GetConsole())
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// If there's no registered console
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script->AddFeature(new PerlConsole(name, desc, script));
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}
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}
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XS(perl_console_echo)
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{
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wxTRACE_FUNC(Aegisub::PerlConsole::echo);
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dXSARGS;
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// We should get some parameters
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if(items == 0) return;
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// Join the params in a unique string :S
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wxString buffer = wxString(SvPV_nolen(ST(0)), pl2wx);
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for(int i = 1; i < items; i++) {
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buffer << _T(" ") << wxString(SvPV_nolen(ST(i)), pl2wx);
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}
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if(PerlConsole::GetConsole()) {
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// If there's a console echo to it
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PerlConsole::Echo(buffer);
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}
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else {
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// Otherwise print on stdout
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PerlIO_printf(PerlIO_stdout(), "%s\n", buffer.mb_str(wxConvLocal).data());
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// (through perl io system)
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}
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}
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/* Universal loader */
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EXTERN_C void boot_DynaLoader (pTHX_ CV* cv);
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/* XS registration */
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EXTERN_C void xs_perl_main(pTHX)
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{
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dXSUB_SYS;
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/* DynaLoader is a special case */
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newXS("DynaLoader::boot_DynaLoader", boot_DynaLoader, __FILE__);
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// My XSUBS ^^
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newXS("Aegisub::log", perl_log, __FILE__);
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newXS("Aegisub::warn", perl_warning, __FILE__);
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newXS("Aegisub::text_extents", perl_text_extents, __FILE__);
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newXS("Aegisub::Script::set_info", perl_script_set_info, __FILE__);
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newXS("Aegisub::Script::register_macro", perl_script_register_macro, __FILE__);
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newXS("Aegisub::Progress::set_progress", perl_progress_set, __FILE__);
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newXS("Aegisub::Progress::set_task", perl_progress_task, __FILE__);
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newXS("Aegisub::Progress::set_title", perl_progress_title, __FILE__);
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newXS("Aegisub::Progress::is_cancelled", perl_progress_cancelled, __FILE__);
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newXS("Aegisub::PerlConsole::echo", perl_console_echo, __FILE__);
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newXS("Aegisub::PerlConsole::register_console", perl_console_register, __FILE__);
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}
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/////////////
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// PerlLog
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//
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void PerlLog(unsigned int level, const wxString &msg)
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{
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PerlProgressSink *ps = PerlProgressSink::GetProgressSink();
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if(!(level & 0x8) && ps) {
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wxString _msg;
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// Prepend a description of the log line
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switch(level) {
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case 0: _msg = _("Fatal error: ");
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break;
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case 1: _msg = _("Error: ");
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break;
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case 2: _msg = _("Warning: ");
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break;
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case 3: _msg = _("Hint: ");
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break;
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case 4: _msg = _("Debug: ");
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break;
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case 5: _msg = _("Trace: ");
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}
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// Print onto the progress window
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ps->Log(level >= 6 ? -1 : level, _msg+msg+_T("\n"));
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}
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else {
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level &= 0x7;
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// Use the wx log functions
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switch(level) {
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case 0: wxLogFatalError(msg);
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break;
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case 1: wxLogError(msg);
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break;
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case 2: wxLogWarning(msg);
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break;
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case 3: wxLogVerbose(msg);
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break;
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case 4: wxLogDebug(msg);
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break;
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case 5: wxLogTrace(wxTRACE_AutoPerl, msg);
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break;
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default:
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case 6: wxLogMessage(msg);
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}
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}
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}
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////////////////
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// PerlThread
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//
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PerlThread::PerlThread():
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wxThread(wxTHREAD_JOINABLE)
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{
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pv = NULL; sv = NULL;
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}
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PerlThread::PerlThread(const char *sub_name, I32 flags, bool type):
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wxThread(wxTHREAD_JOINABLE)
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{
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wxTRACE_METH(PerlThread);
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if(type == CALL) Call(sub_name, flags);
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if(type == EVAL) Eval(sub_name, flags);
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}
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PerlThread::PerlThread(SV *sv, I32 flags, bool type):
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wxThread(wxTHREAD_JOINABLE)
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{
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wxTRACE_METH(PerlThread);
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if(type == CALL) Call(sv, flags);
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if(type == EVAL) Eval(sv, flags);
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}
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wxThreadError PerlThread::launch()
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{
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wxThreadError e = Create();
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if(e != wxTHREAD_NO_ERROR) return e;
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switch(Options.AsInt(_T("Automation Thread Priority"))) {
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case 2: SetPriority(10);
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break;
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case 1: SetPriority(30);
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break;
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default:
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case 0: SetPriority(50); // fallback normal
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}
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wxTRACE_RET(PerlThread);
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return Run();
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}
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wxThreadError PerlThread::Call(const char *sub_name, I32 _flags)
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{
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type = CALL; pv = sub_name; flags = _flags;
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wxLogTrace(wxTRACE_AutoPerl, _T("type = CALL, pv = '%s', flags = %u"), wxString(pv, pl2wx).c_str(), flags);
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return launch();
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}
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wxThreadError PerlThread::Call(SV *_sv, I32 _flags)
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{
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type = CALL; sv = _sv; flags = _flags;
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wxLogTrace(wxTRACE_AutoPerl, _T("type = CALL, sv = %p, flags = %u"), sv, flags);
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return launch();
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}
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wxThreadError PerlThread::Eval(const char* p, I32 croak_on_error)
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{
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type = EVAL; pv = p; flags = croak_on_error;
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wxLogTrace(wxTRACE_AutoPerl, _T("type = EVAL, pv = '%s', flags = %u"), wxString(pv, pl2wx).c_str(), flags);
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return launch();
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}
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wxThreadError PerlThread::Eval(SV* _sv, I32 _flags)
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{
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type = EVAL; sv = _sv; flags = _flags;
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wxLogTrace(wxTRACE_AutoPerl, _T("type = EVAL, sv = %p, flags = %u"), sv, flags);
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return launch();
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}
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wxThread::ExitCode PerlThread::Entry()
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{
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wxTRACE_METH(Entry);
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PerlProgressSink *ps;
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if(ps = PerlProgressSink::GetProgressSink()) {
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// If there's a progress sink...
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while(!ps->has_inited);
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// ...wait for it to have inited
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}
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ExitCode ec = NULL;
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switch(type) {
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case CALL:
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if(sv) ec = (ExitCode)((size_t)call_sv(sv, flags));
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else if(pv) ec = (ExitCode)((size_t)call_pv(pv, flags));
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break;
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case EVAL:
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if(sv) ec = (ExitCode)((size_t)eval_sv(sv, flags));
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else if(pv) ec = (ExitCode)((size_t)eval_pv(pv, flags));
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}
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if(SvTRUE(ERRSV)) {
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// Log $@ in case of error
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PerlLogError(wxString(SvPV_nolen(ERRSV), pl2wx));
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}
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if(ps) {
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ps->script_finished = true;
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wxWakeUpIdle();
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}
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wxTRACE_RET(Entry);
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return ec;
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}
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///////////////////////
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// PerlScriptFactory
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//
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class PerlScriptFactory : public ScriptFactory {
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private:
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PerlInterpreter *parser;
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bool loaded;
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public:
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PerlScriptFactory()
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{
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#ifdef WXTRACE_AUTOPERL
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// Add tracing of perl engine operations
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wxLog::AddTraceMask(wxTRACE_AutoPerl);
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#endif
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// Script engine properties
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loaded = false;
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engine_name = _T("Perl");
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filename_pattern = _T("*") _T(PERL_SCRIPT_EXTENSION);
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// On Visual Studio, first check if the dll is available
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// This needs to be done because it is set to delay loading of this dll
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#ifdef __VISUALC__
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HMODULE dll = LoadLibrary(_T("perl510.dll"));
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if (!dll) return;
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FreeLibrary(dll);
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#endif
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// Perl interpreter initialization (ONE FOR ALL THE SCRIPTS)
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int argc = 3;
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char *argv[3] = { "aegisub", "-e", "0" };
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char** env = NULL;
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char **argv2 = (char**) argv; // VC++ wants this °_°
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PERL_SYS_INIT3(&argc,&argv2,&env);
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parser = perl_alloc();
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perl_construct(parser);
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perl_parse(parser, xs_perl_main,
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argc, argv,
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NULL);
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//free(argv);
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// (That was pretty magic o_O)
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|
|
// Let's register the perl script factory \o/
|
|
Register(this);
|
|
loaded = true;
|
|
}
|
|
|
|
~PerlScriptFactory()
|
|
{
|
|
// Perl interpreter deinitialization
|
|
if (loaded) {
|
|
perl_destruct(parser);
|
|
perl_free(parser);
|
|
PERL_SYS_TERM();
|
|
}
|
|
}
|
|
|
|
virtual Script* Produce(const wxString &filename) const
|
|
{
|
|
if(filename.EndsWith(_T(PERL_SCRIPT_EXTENSION))) {
|
|
return new PerlScript(filename);
|
|
}
|
|
else {
|
|
return 0;
|
|
}
|
|
}
|
|
};
|
|
|
|
// The one and only (thank goodness ¬.¬) perl engine!!!
|
|
PerlScriptFactory _perl_script_factory;
|
|
|
|
};
|
|
|
|
|
|
#endif //WITH_PERL
|