src/db/InstrumentsDbUtilities.cpp

/***************************************************************************
 *                                                                         *
 *   Copyright (C) 2007 - 2009 Grigor Iliev                                *
 *                                                                         *
 *   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., 51 Franklin St, Fifth Floor, Boston,                *
 *   MA  02110-1301  USA                                                   *
 ***************************************************************************/

#include "InstrumentsDbUtilities.h"

#include "../common/File.h"
#include "../common/global_private.h"

#include <errno.h>

#include "../common/Exception.h"
#include "InstrumentsDb.h"

namespace LinuxSampler {

    void DbInstrument::Copy(const DbInstrument& Instr) {
        if (this == &Instr) return;

        InstrFile = Instr.InstrFile;
        InstrNr = Instr.InstrNr;
        FormatFamily = Instr.FormatFamily;
        FormatVersion = Instr.FormatVersion;
        Size = Instr.Size;
        Created = Instr.Created;
        Modified = Instr.Modified;
        Description = Instr.Description;
        IsDrum = Instr.IsDrum;
        Product = Instr.Product;
        Artists = Instr.Artists;
        Keywords = Instr.Keywords;
    }


    void DbDirectory::Copy(const DbDirectory& Dir) {
        if (this == &Dir) return;

        Created = Dir.Created;
        Modified = Dir.Modified;
        Description = Dir.Description;
    }

    SearchQuery::SearchQuery() {
        MinSize = -1;
        MaxSize = -1;
        InstrType = BOTH;
    }

    void SearchQuery::SetFormatFamilies(String s) {
        if (s.length() == 0) return;
        int i = 0;
        int j = s.find(',', 0);
        
        while (j != std::string::npos) {
            FormatFamilies.push_back(s.substr(i, j - i));
            i = j + 1;
            j = s.find(',', i);
        }
        
        if (i < s.length()) FormatFamilies.push_back(s.substr(i));
    }

    void SearchQuery::SetSize(String s) {
        String s2 = GetMin(s);
        if (s2.length() > 0) MinSize = atoll(s2.c_str());
        else MinSize = -1;
        
        s2 = GetMax(s);
        if (s2.length() > 0) MaxSize = atoll(s2.c_str());
        else MaxSize = -1;
    }

    void SearchQuery::SetCreated(String s) {
        CreatedAfter = GetMin(s);
        CreatedBefore = GetMax(s);
    }

    void SearchQuery::SetModified(String s) {
        ModifiedAfter = GetMin(s);
        ModifiedBefore = GetMax(s);
    }

    String SearchQuery::GetMin(String s) {
        if (s.length() < 3) return "";
        if (s.at(0) == '.' && s.at(1) == '.') return "";
        int i = s.find("..");
        if (i == std::string::npos) return "";
        return s.substr(0, i);
    }

    String SearchQuery::GetMax(String s) {
        if (s.length() < 3) return "";
        if (s.find("..", s.length() - 2) != std::string::npos) return "";
        int i = s.find("..");
        if (i == std::string::npos) return "";
        return s.substr(i + 2);
    }

    void ScanJob::Copy(const ScanJob& Job) {
        if (this == &Job) return;

        JobId = Job.JobId;
        FilesTotal = Job.FilesTotal;
        FilesScanned = Job.FilesScanned;
        Scanning = Job.Scanning;
        Status = Job.Status;
    }

    int JobList::AddJob(ScanJob Job) {
        if (Counter + 1 < Counter) Counter = 0;
        else Counter++;
        Job.JobId = Counter;
        Jobs.push_back(Job);
        if (Jobs.size() > 3) {
            std::vector<ScanJob>::iterator iter = Jobs.begin();
            Jobs.erase(iter);
        }
        return Job.JobId;
    }

    ScanJob& JobList::GetJobById(int JobId) {
        for (int i = 0; i < Jobs.size(); i++) {
            if (Jobs.at(i).JobId == JobId) return Jobs.at(i);
        }
        
        throw Exception("Invalid job ID: " + ToString(JobId));
    }
    
    bool AbstractFinder::IsRegex(String Pattern) {
        if(Pattern.find('?') != String::npos) return true;
        if(Pattern.find('*') != String::npos) return true;
        return false;
    }

    void AbstractFinder::AddSql(String Col, String Pattern, std::stringstream& Sql) {
        if (Pattern.length() == 0) return;

        if (IsRegex(Pattern)) {
#ifndef WIN32
            Sql << " AND " << Col << " regexp ?";
#else
            for (int i = 0; i < Pattern.length(); i++) {
                if (Pattern.at(i) == '?') Pattern.at(i) = '_';
                else if (Pattern.at(i) == '*') Pattern.at(i) = '%';
            }
            Sql << " AND " << Col << " LIKE ?";
#endif
            Params.push_back(Pattern);
            return;
        }

        String buf;
        std::vector<String> tokens;
        std::vector<String> tokens2;
        std::stringstream ss(Pattern);
        while (ss >> buf) tokens.push_back(buf);

        if (tokens.size() == 0) {
            Sql << " AND " << Col << " LIKE ?";
            Params.push_back("%" + Pattern + "%");
            return;
        }

        bool b = false;
        for (int i = 0; i < tokens.size(); i++) {
            Sql << (i == 0 ? " AND (" : "");

            for (int j = 0; j < tokens.at(i).length(); j++) {
                if (tokens.at(i).at(j) == '+') tokens.at(i).at(j) = ' ';
            }

            ss.clear();
            ss.str("");
            ss << tokens.at(i);

            tokens2.clear();
            while (ss >> buf) tokens2.push_back(buf);

            if (b && tokens2.size() > 0) Sql << " OR ";
            if (tokens2.size() > 1) Sql << "(";
            for (int j = 0; j < tokens2.size(); j++) {
                if (j != 0) Sql << " AND ";
                Sql << Col << " LIKE ?";
                Params.push_back("%" + tokens2.at(j) + "%");
                b = true;
            }
            if (tokens2.size() > 1) Sql << ")";
        }
        if (!b) Sql << "0)";
        else Sql << ")";
    }

    DirectoryFinder::DirectoryFinder(SearchQuery* pQuery) : pDirectories(new std::vector<String>) {
        pStmt = NULL;
        this->pQuery = pQuery;
        std::stringstream sql;
        sql << "SELECT dir_name from instr_dirs WHERE dir_id!=0 AND parent_dir_id=?";

        if (pQuery->CreatedAfter.length() != 0) {
            sql << " AND created > ?";
            Params.push_back(pQuery->CreatedAfter);
        }
        if (pQuery->CreatedBefore.length() != 0) {
            sql << " AND created < ?";
            Params.push_back(pQuery->CreatedBefore);
        }
        if (pQuery->ModifiedAfter.length() != 0) {
            sql << " AND modified > ?";
            Params.push_back(pQuery->ModifiedAfter);
        }
        if (pQuery->ModifiedBefore.length() != 0) {
            sql << " AND modified < ?";
            Params.push_back(pQuery->ModifiedBefore);
        }

        AddSql("dir_name", pQuery->Name, sql);
        AddSql("description", pQuery->Description, sql);
        SqlQuery = sql.str();

        InstrumentsDb* idb = InstrumentsDb::GetInstrumentsDb();

        int res = sqlite3_prepare(idb->GetDb(), SqlQuery.c_str(), -1, &pStmt, NULL);
        if (res != SQLITE_OK) {
            throw Exception("DB error: " + ToString(sqlite3_errmsg(idb->GetDb())));
        }

        for(int i = 0; i < Params.size(); i++) {
            idb->BindTextParam(pStmt, i + 2, Params.at(i));
        }
    }
    
    DirectoryFinder::~DirectoryFinder() {
        if (pStmt != NULL) sqlite3_finalize(pStmt);
    }

    StringListPtr DirectoryFinder::GetDirectories() {
        return pDirectories;
    }
    
    void DirectoryFinder::ProcessDirectory(String Path, int DirId) {
        InstrumentsDb* idb = InstrumentsDb::GetInstrumentsDb();
        idb->BindIntParam(pStmt, 1, DirId);

        String s = Path;
        if(Path.compare("/") != 0) s += "/";
        int res = sqlite3_step(pStmt);
        while(res == SQLITE_ROW) {
            pDirectories->push_back(s + idb->toAbstractName(ToString(sqlite3_column_text(pStmt, 0))));
            res = sqlite3_step(pStmt);
        }
        
        if (res != SQLITE_DONE) {
            sqlite3_finalize(pStmt);
            throw Exception("DB error: " + ToString(sqlite3_errmsg(idb->GetDb())));
        }

        res = sqlite3_reset(pStmt);
        if (res != SQLITE_OK) {
            sqlite3_finalize(pStmt);
            throw Exception("DB error: " + ToString(sqlite3_errmsg(idb->GetDb())));
        }
    }

    InstrumentFinder::InstrumentFinder(SearchQuery* pQuery) : pInstruments(new std::vector<String>) {
        pStmt = NULL;
        this->pQuery = pQuery;
        std::stringstream sql;
        sql << "SELECT instr_name from instruments WHERE dir_id=?";

        if (pQuery->CreatedAfter.length() != 0) {
            sql << " AND created > ?";
            Params.push_back(pQuery->CreatedAfter);
        }
        if (pQuery->CreatedBefore.length() != 0) {
            sql << " AND created < ?";
            Params.push_back(pQuery->CreatedBefore);
        }
        if (pQuery->ModifiedAfter.length() != 0) {
            sql << " AND modified > ?";
            Params.push_back(pQuery->ModifiedAfter);
        }
        if (pQuery->ModifiedBefore.length() != 0) {
            sql << " AND modified < ?";
            Params.push_back(pQuery->ModifiedBefore);
        }
        if (pQuery->MinSize != -1) sql << " AND instr_size > " << pQuery->MinSize;
        if (pQuery->MaxSize != -1) sql << " AND instr_size < " << pQuery->MaxSize;

        if (pQuery->InstrType == SearchQuery::CHROMATIC) sql << " AND is_drum = 0";
        else if (pQuery->InstrType == SearchQuery::DRUM) sql << " AND is_drum != 0";

        if (pQuery->FormatFamilies.size() > 0) {
            sql << " AND (format_family=?";
            Params.push_back(pQuery->FormatFamilies.at(0));
            for (int i = 1; i < pQuery->FormatFamilies.size(); i++) {
                sql << "OR format_family=?";
                Params.push_back(pQuery->FormatFamilies.at(i));
            }
            sql << ")";
        }

        AddSql("instr_name", pQuery->Name, sql);
        AddSql("description", pQuery->Description, sql);
        AddSql("product", pQuery->Product, sql);
        AddSql("artists", pQuery->Artists, sql);
        AddSql("keywords", pQuery->Keywords, sql);
        SqlQuery = sql.str();

        InstrumentsDb* idb = InstrumentsDb::GetInstrumentsDb();

        int res = sqlite3_prepare(idb->GetDb(), SqlQuery.c_str(), -1, &pStmt, NULL);
        if (res != SQLITE_OK) {
            throw Exception("DB error: " + ToString(sqlite3_errmsg(idb->GetDb())));
        }

        for(int i = 0; i < Params.size(); i++) {
            idb->BindTextParam(pStmt, i + 2, Params.at(i));
        }
    }
    
    InstrumentFinder::~InstrumentFinder() {
        if (pStmt != NULL) sqlite3_finalize(pStmt);
    }
    
    void InstrumentFinder::ProcessDirectory(String Path, int DirId) {
        InstrumentsDb* idb = InstrumentsDb::GetInstrumentsDb();
        idb->BindIntParam(pStmt, 1, DirId);

        String s = Path;
        if(Path.compare("/") != 0) s += "/";
        int res = sqlite3_step(pStmt);
        while(res == SQLITE_ROW) {
            pInstruments->push_back(s + idb->toAbstractName(ToString(sqlite3_column_text(pStmt, 0))));
            res = sqlite3_step(pStmt);
        }
        
        if (res != SQLITE_DONE) {
            sqlite3_finalize(pStmt);
            throw Exception("DB error: " + ToString(sqlite3_errmsg(idb->GetDb())));
        }

        res = sqlite3_reset(pStmt);
        if (res != SQLITE_OK) {
            sqlite3_finalize(pStmt);
            throw Exception("DB error: " + ToString(sqlite3_errmsg(idb->GetDb())));
        }
    }

    StringListPtr InstrumentFinder::GetInstruments() {
        return pInstruments;
    }

    void DirectoryCounter::ProcessDirectory(String Path, int DirId) {
        count += InstrumentsDb::GetInstrumentsDb()->GetDirectoryCount(DirId);
    }

    void InstrumentCounter::ProcessDirectory(String Path, int DirId) {
        count += InstrumentsDb::GetInstrumentsDb()->GetInstrumentCount(DirId);
    }

    DirectoryCopier::DirectoryCopier(String SrcParentDir, String DestDir) {
        this->SrcParentDir = SrcParentDir;
        this->DestDir = DestDir;

        if (DestDir.at(DestDir.length() - 1) != '/') {
            this->DestDir.append("/");
        }
        if (SrcParentDir.at(SrcParentDir.length() - 1) != '/') {
            this->SrcParentDir.append("/");
        }
    }

    void DirectoryCopier::ProcessDirectory(String Path, int DirId) {
        InstrumentsDb* db = InstrumentsDb::GetInstrumentsDb();

        String dir = DestDir;
        String subdir = Path;
        if(subdir.length() > SrcParentDir.length()) {
            subdir = subdir.substr(SrcParentDir.length());
            dir += subdir;
            db->AddDirectory(dir);
        }

        int dstDirId = db->GetDirectoryId(dir);
        if(dstDirId == -1) {
            throw Exception("Unkown DB directory: " + InstrumentsDb::toEscapedPath(dir));
        }
        IntListPtr ids = db->GetInstrumentIDs(DirId);
        for (int i = 0; i < ids->size(); i++) {
            String name = db->GetInstrumentName(ids->at(i));
            db->CopyInstrument(ids->at(i), name, dstDirId, dir);
        }
    }

    ScanProgress::ScanProgress() {
        TotalFileCount = ScannedFileCount = Status = 0;
        CurrentFile = "";
        GigFileProgress.custom = this;
        GigFileProgress.callback = GigFileProgressCallback;
    }

    void ScanProgress::StatusChanged() {
        InstrumentsDb* db = InstrumentsDb::GetInstrumentsDb();
        db->Jobs.GetJobById(JobId).FilesTotal = GetTotalFileCount();
        db->Jobs.GetJobById(JobId).FilesScanned = GetScannedFileCount();
        db->Jobs.GetJobById(JobId).Scanning = CurrentFile;
        db->Jobs.GetJobById(JobId).Status = GetStatus();
        
        InstrumentsDb::GetInstrumentsDb()->FireJobStatusChanged(JobId);
    }

    int ScanProgress::GetTotalFileCount() {
        return TotalFileCount;
    }

    void ScanProgress::SetTotalFileCount(int Count) {
        if (TotalFileCount == Count) return;
        TotalFileCount = Count;
        StatusChanged();
    }

    int ScanProgress::GetScannedFileCount() {
        return ScannedFileCount;
    }

    void ScanProgress::SetScannedFileCount(int Count) {
        if (ScannedFileCount == Count) return;
        ScannedFileCount = Count;
        if (Count > TotalFileCount) TotalFileCount = Count;
        StatusChanged();
    }

    int ScanProgress::GetStatus() {
        return Status;
    }

    void ScanProgress::SetStatus(int Status) {
        if (this->Status == Status) return;
        if (Status < 0) this->Status = 0;
        else if (Status > 100) this->Status = 100;
        else this->Status = Status;
        StatusChanged();
    }

    void ScanProgress::SetErrorStatus(int Err) {
        if (Err > 0) Err *= -1;
        Status = Err;
        StatusChanged();
    }

    void ScanProgress::GigFileProgressCallback(gig::progress_t* pProgress) {
        if (pProgress == NULL) return;
        ScanProgress* sp = static_cast<ScanProgress*> (pProgress->custom);
        
        sp->SetStatus((int)(pProgress->factor * 100));
    }

    AddInstrumentsJob::AddInstrumentsJob(int JobId, ScanMode Mode, String DbDir, String FsDir, bool insDir) {
        this->JobId = JobId;
        Progress.JobId = JobId;
        this->Mode = Mode;
        this->DbDir = DbDir;
        this->FsDir = FsDir;
                this->insDir = insDir;
    }

    void AddInstrumentsJob::Run() {
        try {
            InstrumentsDb* db = InstrumentsDb::GetInstrumentsDb();

            switch (Mode) {
                case NON_RECURSIVE:
                    Progress.SetTotalFileCount(GetFileCount());
                    db->AddInstrumentsNonrecursive(DbDir, FsDir, insDir, &Progress);
                    break;
                case RECURSIVE:
                    db->AddInstrumentsRecursive(DbDir, FsDir, false, insDir, &Progress);
                    break;
                case FLAT:
                    db->AddInstrumentsRecursive(DbDir, FsDir, true, insDir, &Progress);
                    break;
                default:
                    throw Exception("Unknown scan mode");
            }

            // Just to be sure that the frontends will be notified about the job completion
            if (Progress.GetTotalFileCount() != Progress.GetScannedFileCount()) {
                Progress.SetTotalFileCount(Progress.GetScannedFileCount());
            }
            if (Progress.GetStatus() != 100) Progress.SetStatus(100);
        } catch(Exception e) {
            Progress.SetErrorStatus(-1);
            throw e;
        }
    }

    int AddInstrumentsJob::GetFileCount() {
        int count = 0;

        try {
            FileListPtr fileList = File::GetFiles(FsDir);

            for (int i = 0; i < fileList->size(); i++) {
                String s = fileList->at(i);
                if (s.length() < 4) continue;
                if(!strcasecmp(".gig", s.substr(s.length() - 4).c_str())) count++;
            }
        } catch(Exception e) {
            e.PrintMessage();
            return 0;
        }
        
        return count;
    }

    AddInstrumentsFromFileJob::AddInstrumentsFromFileJob(int JobId, String DbDir, String FilePath, int Index, bool insDir) {
        this->JobId = JobId;
        Progress.JobId = JobId;
        Progress.SetTotalFileCount(1);

        this->DbDir = DbDir;
        this->FilePath = FilePath;
        this->Index = Index;
                this->insDir = insDir;
    }

    void AddInstrumentsFromFileJob::Run() {
        try {
            InstrumentsDb::GetInstrumentsDb()->AddInstruments(DbDir, insDir, FilePath, Index, &Progress);

            // Just to be sure that the frontends will be notified about the job completion
            if (Progress.GetTotalFileCount() != Progress.GetScannedFileCount()) {
                Progress.SetTotalFileCount(Progress.GetScannedFileCount());
            }
            if (Progress.GetStatus() != 100) Progress.SetStatus(100);
        } catch(Exception e) {
            Progress.SetErrorStatus(-1);
            throw e;
        }
    }


    void DirectoryScanner::Scan(String DbDir, String FsDir, bool Flat, bool insDir, ScanProgress* pProgress) {
        dmsg(2,("DirectoryScanner: Scan(DbDir=%s,FsDir=%s,Flat=%d,insDir=%d)\n", DbDir.c_str(), FsDir.c_str(), Flat, insDir));
        if (DbDir.empty() || FsDir.empty()) throw Exception("Directory expected");
        
        this->DbDir = DbDir;
        this->FsDir = FsDir;
        this->insDir = insDir;
        if (DbDir.at(DbDir.length() - 1) != '/') {
            this->DbDir.append("/");
        }
        if (FsDir.at(FsDir.length() - 1) != File::DirSeparator) {
            this->FsDir.push_back(File::DirSeparator);
        }
        this->Flat = Flat;
        this->pProgress = pProgress;
        
        File::WalkDirectoryTree(FsDir, this);
    }

    void DirectoryScanner::DirectoryEntry(std::string Path) {
        dmsg(2,("DirectoryScanner: DirectoryEntry(Path=%s)\n", Path.c_str()));

        String dir = DbDir;
        if (!Flat) {
            String subdir = Path;
            if(subdir.length() > FsDir.length()) {
                subdir = subdir.substr(FsDir.length());
                dir += subdir;
            }
        }
        
        InstrumentsDb* db = InstrumentsDb::GetInstrumentsDb();

        if (HasInstrumentFiles(Path)) {
            if (!db->DirectoryExist(dir)) db->AddDirectory(dir);
            db->AddInstrumentsNonrecursive(dir, Path, insDir, pProgress);
        }
    };

    bool DirectoryScanner::HasInstrumentFiles(String Dir) {
        InstrumentFileCounter c;
        return c.Count(Dir) > 0;
    }

    int InstrumentFileCounter::Count(String FsDir) {
        dmsg(2,("InstrumentFileCounter: Count(FsDir=%s)\n", FsDir.c_str()));
        if (FsDir.empty()) throw Exception("Directory expected");
        FileCount = 0;

        File::WalkDirectoryTree(FsDir, this);
        return FileCount;
    }

    void InstrumentFileCounter::FileEntry(std::string Path) {
        dmsg(2,("InstrumentFileCounter: FileEntry(Path=%s)\n", Path.c_str()));
        if(Path.length() < 4) return;
        if(!strcasecmp(".gig", Path.substr(Path.length() - 4).c_str())) FileCount++;
    };

} // namespace LinuxSampler
1	/***************************************************************************
2	* *
3	* Copyright (C) 2007 - 2009 Grigor Iliev *
4	* *
5	* This program is free software; you can redistribute it and/or modify *
6	* it under the terms of the GNU General Public License as published by *
7	* the Free Software Foundation; either version 2 of the License, or *
8	* (at your option) any later version. *
9	* *
10	* This program is distributed in the hope that it will be useful, *
11	* but WITHOUT ANY WARRANTY; without even the implied warranty of *
12	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the *
13	* GNU General Public License for more details. *
14	* *
15	* You should have received a copy of the GNU General Public License *
16	* along with this program; if not, write to the Free Software *
17	* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, *
18	* MA 02110-1301 USA *
19	***************************************************************************/
20
21	#include "InstrumentsDbUtilities.h"
22
23	#include "../common/File.h"
24	#include "../common/global_private.h"
25
26	#include <errno.h>
27
28	#include "../common/Exception.h"
29	#include "InstrumentsDb.h"
30
31	namespace LinuxSampler {
32
33	void DbInstrument::Copy(const DbInstrument& Instr) {
34	if (this == &Instr) return;
35
36	InstrFile = Instr.InstrFile;
37	InstrNr = Instr.InstrNr;
38	FormatFamily = Instr.FormatFamily;
39	FormatVersion = Instr.FormatVersion;
40	Size = Instr.Size;
41	Created = Instr.Created;
42	Modified = Instr.Modified;
43	Description = Instr.Description;
44	IsDrum = Instr.IsDrum;
45	Product = Instr.Product;
46	Artists = Instr.Artists;
47	Keywords = Instr.Keywords;
48	}
49
50
51	void DbDirectory::Copy(const DbDirectory& Dir) {
52	if (this == &Dir) return;
53
54	Created = Dir.Created;
55	Modified = Dir.Modified;
56	Description = Dir.Description;
57	}
58
59	SearchQuery::SearchQuery() {
60	MinSize = -1;
61	MaxSize = -1;
62	InstrType = BOTH;
63	}
64
65	void SearchQuery::SetFormatFamilies(String s) {
66	if (s.length() == 0) return;
67	int i = 0;
68	int j = s.find(',', 0);
69
70	while (j != std::string::npos) {
71	FormatFamilies.push_back(s.substr(i, j - i));
72	i = j + 1;
73	j = s.find(',', i);
74	}
75
76	if (i < s.length()) FormatFamilies.push_back(s.substr(i));
77	}
78
79	void SearchQuery::SetSize(String s) {
80	String s2 = GetMin(s);
81	if (s2.length() > 0) MinSize = atoll(s2.c_str());
82	else MinSize = -1;
83
84	s2 = GetMax(s);
85	if (s2.length() > 0) MaxSize = atoll(s2.c_str());
86	else MaxSize = -1;
87	}
88
89	void SearchQuery::SetCreated(String s) {
90	CreatedAfter = GetMin(s);
91	CreatedBefore = GetMax(s);
92	}
93
94	void SearchQuery::SetModified(String s) {
95	ModifiedAfter = GetMin(s);
96	ModifiedBefore = GetMax(s);
97	}
98
99	String SearchQuery::GetMin(String s) {
100	if (s.length() < 3) return "";
101	if (s.at(0) == '.' && s.at(1) == '.') return "";
102	int i = s.find("..");
103	if (i == std::string::npos) return "";
104	return s.substr(0, i);
105	}
106
107	String SearchQuery::GetMax(String s) {
108	if (s.length() < 3) return "";
109	if (s.find("..", s.length() - 2) != std::string::npos) return "";
110	int i = s.find("..");
111	if (i == std::string::npos) return "";
112	return s.substr(i + 2);
113	}
114
115	void ScanJob::Copy(const ScanJob& Job) {
116	if (this == &Job) return;
117
118	JobId = Job.JobId;
119	FilesTotal = Job.FilesTotal;
120	FilesScanned = Job.FilesScanned;
121	Scanning = Job.Scanning;
122	Status = Job.Status;
123	}
124
125	int JobList::AddJob(ScanJob Job) {
126	if (Counter + 1 < Counter) Counter = 0;
127	else Counter++;
128	Job.JobId = Counter;
129	Jobs.push_back(Job);
130	if (Jobs.size() > 3) {
131	std::vector<ScanJob>::iterator iter = Jobs.begin();
132	Jobs.erase(iter);
133	}
134	return Job.JobId;
135	}
136
137	ScanJob& JobList::GetJobById(int JobId) {
138	for (int i = 0; i < Jobs.size(); i++) {
139	if (Jobs.at(i).JobId == JobId) return Jobs.at(i);
140	}
141
142	throw Exception("Invalid job ID: " + ToString(JobId));
143	}
144
145	bool AbstractFinder::IsRegex(String Pattern) {
146	if(Pattern.find('?') != String::npos) return true;
147	if(Pattern.find('*') != String::npos) return true;
148	return false;
149	}
150
151	void AbstractFinder::AddSql(String Col, String Pattern, std::stringstream& Sql) {
152	if (Pattern.length() == 0) return;
153
154	if (IsRegex(Pattern)) {
155	#ifndef WIN32
156	Sql << " AND " << Col << " regexp ?";
157	#else
158	for (int i = 0; i < Pattern.length(); i++) {
159	if (Pattern.at(i) == '?') Pattern.at(i) = '_';
160	else if (Pattern.at(i) == '*') Pattern.at(i) = '%';
161	}
162	Sql << " AND " << Col << " LIKE ?";
163	#endif
164	Params.push_back(Pattern);
165	return;
166	}
167
168	String buf;
169	std::vector<String> tokens;
170	std::vector<String> tokens2;
171	std::stringstream ss(Pattern);
172	while (ss >> buf) tokens.push_back(buf);
173
174	if (tokens.size() == 0) {
175	Sql << " AND " << Col << " LIKE ?";
176	Params.push_back("%" + Pattern + "%");
177	return;
178	}
179
180	bool b = false;
181	for (int i = 0; i < tokens.size(); i++) {
182	Sql << (i == 0 ? " AND (" : "");
183
184	for (int j = 0; j < tokens.at(i).length(); j++) {
185	if (tokens.at(i).at(j) == '+') tokens.at(i).at(j) = ' ';
186	}
187
188	ss.clear();
189	ss.str("");
190	ss << tokens.at(i);
191
192	tokens2.clear();
193	while (ss >> buf) tokens2.push_back(buf);
194
195	if (b && tokens2.size() > 0) Sql << " OR ";
196	if (tokens2.size() > 1) Sql << "(";
197	for (int j = 0; j < tokens2.size(); j++) {
198	if (j != 0) Sql << " AND ";
199	Sql << Col << " LIKE ?";
200	Params.push_back("%" + tokens2.at(j) + "%");
201	b = true;
202	}
203	if (tokens2.size() > 1) Sql << ")";
204	}
205	if (!b) Sql << "0)";
206	else Sql << ")";
207	}
208
209	DirectoryFinder::DirectoryFinder(SearchQuery* pQuery) : pDirectories(new std::vector<String>) {
210	pStmt = NULL;
211	this->pQuery = pQuery;
212	std::stringstream sql;
213	sql << "SELECT dir_name from instr_dirs WHERE dir_id!=0 AND parent_dir_id=?";
214
215	if (pQuery->CreatedAfter.length() != 0) {
216	sql << " AND created > ?";
217	Params.push_back(pQuery->CreatedAfter);
218	}
219	if (pQuery->CreatedBefore.length() != 0) {
220	sql << " AND created < ?";
221	Params.push_back(pQuery->CreatedBefore);
222	}
223	if (pQuery->ModifiedAfter.length() != 0) {
224	sql << " AND modified > ?";
225	Params.push_back(pQuery->ModifiedAfter);
226	}
227	if (pQuery->ModifiedBefore.length() != 0) {
228	sql << " AND modified < ?";
229	Params.push_back(pQuery->ModifiedBefore);
230	}
231
232	AddSql("dir_name", pQuery->Name, sql);
233	AddSql("description", pQuery->Description, sql);
234	SqlQuery = sql.str();
235
236	InstrumentsDb* idb = InstrumentsDb::GetInstrumentsDb();
237
238	int res = sqlite3_prepare(idb->GetDb(), SqlQuery.c_str(), -1, &pStmt, NULL);
239	if (res != SQLITE_OK) {
240	throw Exception("DB error: " + ToString(sqlite3_errmsg(idb->GetDb())));
241	}
242
243	for(int i = 0; i < Params.size(); i++) {
244	idb->BindTextParam(pStmt, i + 2, Params.at(i));
245	}
246	}
247
248	DirectoryFinder::~DirectoryFinder() {
249	if (pStmt != NULL) sqlite3_finalize(pStmt);
250	}
251
252	StringListPtr DirectoryFinder::GetDirectories() {
253	return pDirectories;
254	}
255
256	void DirectoryFinder::ProcessDirectory(String Path, int DirId) {
257	InstrumentsDb* idb = InstrumentsDb::GetInstrumentsDb();
258	idb->BindIntParam(pStmt, 1, DirId);
259
260	String s = Path;
261	if(Path.compare("/") != 0) s += "/";
262	int res = sqlite3_step(pStmt);
263	while(res == SQLITE_ROW) {
264	pDirectories->push_back(s + idb->toAbstractName(ToString(sqlite3_column_text(pStmt, 0))));
265	res = sqlite3_step(pStmt);
266	}
267
268	if (res != SQLITE_DONE) {
269	sqlite3_finalize(pStmt);
270	throw Exception("DB error: " + ToString(sqlite3_errmsg(idb->GetDb())));
271	}
272
273	res = sqlite3_reset(pStmt);
274	if (res != SQLITE_OK) {
275	sqlite3_finalize(pStmt);
276	throw Exception("DB error: " + ToString(sqlite3_errmsg(idb->GetDb())));
277	}
278	}
279
280	InstrumentFinder::InstrumentFinder(SearchQuery* pQuery) : pInstruments(new std::vector<String>) {
281	pStmt = NULL;
282	this->pQuery = pQuery;
283	std::stringstream sql;
284	sql << "SELECT instr_name from instruments WHERE dir_id=?";
285
286	if (pQuery->CreatedAfter.length() != 0) {
287	sql << " AND created > ?";
288	Params.push_back(pQuery->CreatedAfter);
289	}
290	if (pQuery->CreatedBefore.length() != 0) {
291	sql << " AND created < ?";
292	Params.push_back(pQuery->CreatedBefore);
293	}
294	if (pQuery->ModifiedAfter.length() != 0) {
295	sql << " AND modified > ?";
296	Params.push_back(pQuery->ModifiedAfter);
297	}
298	if (pQuery->ModifiedBefore.length() != 0) {
299	sql << " AND modified < ?";
300	Params.push_back(pQuery->ModifiedBefore);
301	}
302	if (pQuery->MinSize != -1) sql << " AND instr_size > " << pQuery->MinSize;
303	if (pQuery->MaxSize != -1) sql << " AND instr_size < " << pQuery->MaxSize;
304
305	if (pQuery->InstrType == SearchQuery::CHROMATIC) sql << " AND is_drum = 0";
306	else if (pQuery->InstrType == SearchQuery::DRUM) sql << " AND is_drum != 0";
307
308	if (pQuery->FormatFamilies.size() > 0) {
309	sql << " AND (format_family=?";
310	Params.push_back(pQuery->FormatFamilies.at(0));
311	for (int i = 1; i < pQuery->FormatFamilies.size(); i++) {
312	sql << "OR format_family=?";
313	Params.push_back(pQuery->FormatFamilies.at(i));
314	}
315	sql << ")";
316	}
317
318	AddSql("instr_name", pQuery->Name, sql);
319	AddSql("description", pQuery->Description, sql);
320	AddSql("product", pQuery->Product, sql);
321	AddSql("artists", pQuery->Artists, sql);
322	AddSql("keywords", pQuery->Keywords, sql);
323	SqlQuery = sql.str();
324
325	InstrumentsDb* idb = InstrumentsDb::GetInstrumentsDb();
326
327	int res = sqlite3_prepare(idb->GetDb(), SqlQuery.c_str(), -1, &pStmt, NULL);
328	if (res != SQLITE_OK) {
329	throw Exception("DB error: " + ToString(sqlite3_errmsg(idb->GetDb())));
330	}
331
332	for(int i = 0; i < Params.size(); i++) {
333	idb->BindTextParam(pStmt, i + 2, Params.at(i));
334	}
335	}
336
337	InstrumentFinder::~InstrumentFinder() {
338	if (pStmt != NULL) sqlite3_finalize(pStmt);
339	}
340
341	void InstrumentFinder::ProcessDirectory(String Path, int DirId) {
342	InstrumentsDb* idb = InstrumentsDb::GetInstrumentsDb();
343	idb->BindIntParam(pStmt, 1, DirId);
344
345	String s = Path;
346	if(Path.compare("/") != 0) s += "/";
347	int res = sqlite3_step(pStmt);
348	while(res == SQLITE_ROW) {
349	pInstruments->push_back(s + idb->toAbstractName(ToString(sqlite3_column_text(pStmt, 0))));
350	res = sqlite3_step(pStmt);
351	}
352
353	if (res != SQLITE_DONE) {
354	sqlite3_finalize(pStmt);
355	throw Exception("DB error: " + ToString(sqlite3_errmsg(idb->GetDb())));
356	}
357
358	res = sqlite3_reset(pStmt);
359	if (res != SQLITE_OK) {
360	sqlite3_finalize(pStmt);
361	throw Exception("DB error: " + ToString(sqlite3_errmsg(idb->GetDb())));
362	}
363	}
364
365	StringListPtr InstrumentFinder::GetInstruments() {
366	return pInstruments;
367	}
368
369	void DirectoryCounter::ProcessDirectory(String Path, int DirId) {
370	count += InstrumentsDb::GetInstrumentsDb()->GetDirectoryCount(DirId);
371	}
372
373	void InstrumentCounter::ProcessDirectory(String Path, int DirId) {
374	count += InstrumentsDb::GetInstrumentsDb()->GetInstrumentCount(DirId);
375	}
376
377	DirectoryCopier::DirectoryCopier(String SrcParentDir, String DestDir) {
378	this->SrcParentDir = SrcParentDir;
379	this->DestDir = DestDir;
380
381	if (DestDir.at(DestDir.length() - 1) != '/') {
382	this->DestDir.append("/");
383	}
384	if (SrcParentDir.at(SrcParentDir.length() - 1) != '/') {
385	this->SrcParentDir.append("/");
386	}
387	}
388
389	void DirectoryCopier::ProcessDirectory(String Path, int DirId) {
390	InstrumentsDb* db = InstrumentsDb::GetInstrumentsDb();
391
392	String dir = DestDir;
393	String subdir = Path;
394	if(subdir.length() > SrcParentDir.length()) {
395	subdir = subdir.substr(SrcParentDir.length());
396	dir += subdir;
397	db->AddDirectory(dir);
398	}
399
400	int dstDirId = db->GetDirectoryId(dir);
401	if(dstDirId == -1) {
402	throw Exception("Unkown DB directory: " + InstrumentsDb::toEscapedPath(dir));
403	}
404	IntListPtr ids = db->GetInstrumentIDs(DirId);
405	for (int i = 0; i < ids->size(); i++) {
406	String name = db->GetInstrumentName(ids->at(i));
407	db->CopyInstrument(ids->at(i), name, dstDirId, dir);
408	}
409	}
410
411	ScanProgress::ScanProgress() {
412	TotalFileCount = ScannedFileCount = Status = 0;
413	CurrentFile = "";
414	GigFileProgress.custom = this;
415	GigFileProgress.callback = GigFileProgressCallback;
416	}
417
418	void ScanProgress::StatusChanged() {
419	InstrumentsDb* db = InstrumentsDb::GetInstrumentsDb();
420	db->Jobs.GetJobById(JobId).FilesTotal = GetTotalFileCount();
421	db->Jobs.GetJobById(JobId).FilesScanned = GetScannedFileCount();
422	db->Jobs.GetJobById(JobId).Scanning = CurrentFile;
423	db->Jobs.GetJobById(JobId).Status = GetStatus();
424
425	InstrumentsDb::GetInstrumentsDb()->FireJobStatusChanged(JobId);
426	}
427
428	int ScanProgress::GetTotalFileCount() {
429	return TotalFileCount;
430	}
431
432	void ScanProgress::SetTotalFileCount(int Count) {
433	if (TotalFileCount == Count) return;
434	TotalFileCount = Count;
435	StatusChanged();
436	}
437
438	int ScanProgress::GetScannedFileCount() {
439	return ScannedFileCount;
440	}
441
442	void ScanProgress::SetScannedFileCount(int Count) {
443	if (ScannedFileCount == Count) return;
444	ScannedFileCount = Count;
445	if (Count > TotalFileCount) TotalFileCount = Count;
446	StatusChanged();
447	}
448
449	int ScanProgress::GetStatus() {
450	return Status;
451	}
452
453	void ScanProgress::SetStatus(int Status) {
454	if (this->Status == Status) return;
455	if (Status < 0) this->Status = 0;
456	else if (Status > 100) this->Status = 100;
457	else this->Status = Status;
458	StatusChanged();
459	}
460
461	void ScanProgress::SetErrorStatus(int Err) {
462	if (Err > 0) Err *= -1;
463	Status = Err;
464	StatusChanged();
465	}
466
467	void ScanProgress::GigFileProgressCallback(gig::progress_t* pProgress) {
468	if (pProgress == NULL) return;
469	ScanProgress* sp = static_cast<ScanProgress*> (pProgress->custom);
470
471	sp->SetStatus((int)(pProgress->factor * 100));
472	}
473
474	AddInstrumentsJob::AddInstrumentsJob(int JobId, ScanMode Mode, String DbDir, String FsDir, bool insDir) {
475	this->JobId = JobId;
476	Progress.JobId = JobId;
477	this->Mode = Mode;
478	this->DbDir = DbDir;
479	this->FsDir = FsDir;
480	this->insDir = insDir;
481	}
482
483	void AddInstrumentsJob::Run() {
484	try {
485	InstrumentsDb* db = InstrumentsDb::GetInstrumentsDb();
486
487	switch (Mode) {
488	case NON_RECURSIVE:
489	Progress.SetTotalFileCount(GetFileCount());
490	db->AddInstrumentsNonrecursive(DbDir, FsDir, insDir, &Progress);
491	break;
492	case RECURSIVE:
493	db->AddInstrumentsRecursive(DbDir, FsDir, false, insDir, &Progress);
494	break;
495	case FLAT:
496	db->AddInstrumentsRecursive(DbDir, FsDir, true, insDir, &Progress);
497	break;
498	default:
499	throw Exception("Unknown scan mode");
500	}
501
502	// Just to be sure that the frontends will be notified about the job completion
503	if (Progress.GetTotalFileCount() != Progress.GetScannedFileCount()) {
504	Progress.SetTotalFileCount(Progress.GetScannedFileCount());
505	}
506	if (Progress.GetStatus() != 100) Progress.SetStatus(100);
507	} catch(Exception e) {
508	Progress.SetErrorStatus(-1);
509	throw e;
510	}
511	}
512
513	int AddInstrumentsJob::GetFileCount() {
514	int count = 0;
515
516	try {
517	FileListPtr fileList = File::GetFiles(FsDir);
518
519	for (int i = 0; i < fileList->size(); i++) {
520	String s = fileList->at(i);
521	if (s.length() < 4) continue;
522	if(!strcasecmp(".gig", s.substr(s.length() - 4).c_str())) count++;
523	}
524	} catch(Exception e) {
525	e.PrintMessage();
526	return 0;
527	}
528
529	return count;
530	}
531
532	AddInstrumentsFromFileJob::AddInstrumentsFromFileJob(int JobId, String DbDir, String FilePath, int Index, bool insDir) {
533	this->JobId = JobId;
534	Progress.JobId = JobId;
535	Progress.SetTotalFileCount(1);
536
537	this->DbDir = DbDir;
538	this->FilePath = FilePath;
539	this->Index = Index;
540	this->insDir = insDir;
541	}
542
543	void AddInstrumentsFromFileJob::Run() {
544	try {
545	InstrumentsDb::GetInstrumentsDb()->AddInstruments(DbDir, insDir, FilePath, Index, &Progress);
546
547	// Just to be sure that the frontends will be notified about the job completion
548	if (Progress.GetTotalFileCount() != Progress.GetScannedFileCount()) {
549	Progress.SetTotalFileCount(Progress.GetScannedFileCount());
550	}
551	if (Progress.GetStatus() != 100) Progress.SetStatus(100);
552	} catch(Exception e) {
553	Progress.SetErrorStatus(-1);
554	throw e;
555	}
556	}
557
558
559	void DirectoryScanner::Scan(String DbDir, String FsDir, bool Flat, bool insDir, ScanProgress* pProgress) {
560	dmsg(2,("DirectoryScanner: Scan(DbDir=%s,FsDir=%s,Flat=%d,insDir=%d)\n", DbDir.c_str(), FsDir.c_str(), Flat, insDir));
561	if (DbDir.empty() \|\| FsDir.empty()) throw Exception("Directory expected");
562
563	this->DbDir = DbDir;
564	this->FsDir = FsDir;
565	this->insDir = insDir;
566	if (DbDir.at(DbDir.length() - 1) != '/') {
567	this->DbDir.append("/");
568	}
569	if (FsDir.at(FsDir.length() - 1) != File::DirSeparator) {
570	this->FsDir.push_back(File::DirSeparator);
571	}
572	this->Flat = Flat;
573	this->pProgress = pProgress;
574
575	File::WalkDirectoryTree(FsDir, this);
576	}
577
578	void DirectoryScanner::DirectoryEntry(std::string Path) {
579	dmsg(2,("DirectoryScanner: DirectoryEntry(Path=%s)\n", Path.c_str()));
580
581	String dir = DbDir;
582	if (!Flat) {
583	String subdir = Path;
584	if(subdir.length() > FsDir.length()) {
585	subdir = subdir.substr(FsDir.length());
586	dir += subdir;
587	}
588	}
589
590	InstrumentsDb* db = InstrumentsDb::GetInstrumentsDb();
591
592	if (HasInstrumentFiles(Path)) {
593	if (!db->DirectoryExist(dir)) db->AddDirectory(dir);
594	db->AddInstrumentsNonrecursive(dir, Path, insDir, pProgress);
595	}
596	};
597
598	bool DirectoryScanner::HasInstrumentFiles(String Dir) {
599	InstrumentFileCounter c;
600	return c.Count(Dir) > 0;
601	}
602
603	int InstrumentFileCounter::Count(String FsDir) {
604	dmsg(2,("InstrumentFileCounter: Count(FsDir=%s)\n", FsDir.c_str()));
605	if (FsDir.empty()) throw Exception("Directory expected");
606	FileCount = 0;
607
608	File::WalkDirectoryTree(FsDir, this);
609	return FileCount;
610	}
611
612	void InstrumentFileCounter::FileEntry(std::string Path) {
613	dmsg(2,("InstrumentFileCounter: FileEntry(Path=%s)\n", Path.c_str()));
614	if(Path.length() < 4) return;
615	if(!strcasecmp(".gig", Path.substr(Path.length() - 4).c_str())) FileCount++;
616	};
617
618	} // namespace LinuxSampler