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/*
* Copyright 2018 Google Inc.
*
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#ifndef parserCommon_DEFINED
#define parserCommon_DEFINED
#include "SkData.h"
#include "SkJSONCPP.h"
#include "definition.h"
#include "textParser.h"
enum class StatusFilter {
kCompleted,
kInProgress,
kUnknown,
};
class ParserCommon : public TextParser {
public:
enum class OneFile {
kNo,
kYes,
};
enum class OneLine {
kNo,
kYes,
};
enum class IndentKind {
kConstOut,
kEnumChild,
kEnumChild2,
kEnumHeader,
kEnumHeader2,
kMethodOut,
kStructMember,
};
struct IndentState {
IndentState(IndentKind kind, int indent)
: fKind(kind)
, fIndent(indent) {
}
IndentKind fKind;
int fIndent;
};
ParserCommon() : TextParser()
, fParent(nullptr)
, fDebugOut(false)
, fValidate(false)
, fReturnOnWrite(false)
{
}
~ParserCommon() override {
}
void addDefinition(Definition* def) {
fParent->fChildren.push_back(def);
fParent = def;
}
void checkLineLength(size_t len, const char* str);
static string ConvertRef(const string str, bool first);
static void CopyToFile(string oldFile, string newFile);
static char* FindDateTime(char* buffer, int size);
static string HtmlFileName(string bmhFileName);
void indentIn(IndentKind kind) {
fIndent += 4;
fIndentStack.emplace_back(kind, fIndent);
}
void indentOut() {
SkASSERT(fIndent >= 4);
SkASSERT(fIndentStack.back().fIndent == fIndent);
fIndent -= 4;
fIndentStack.pop_back();
}
void indentToColumn(int column) {
SkASSERT(column >= fColumn);
SkASSERT(!fReturnOnWrite);
SkASSERT(column < 80);
FPRINTF("%*s", column - fColumn, "");
fColumn = column;
fSpaces += column - fColumn;
}
bool leadingPunctuation(const char* str, size_t len) const {
if (!fPendingSpace) {
return false;
}
if (len < 2) {
return false;
}
if ('.' != str[0] && ',' != str[0] && ';' != str[0] && ':' != str[0]) {
return false;
}
return ' ' >= str[1];
}
void lf(int count) {
fPendingLF = SkTMax(fPendingLF, count);
this->nl();
}
void lfAlways(int count) {
this->lf(count);
this->writePending();
}
void lfcr() {
this->lf(1);
}
void nl() {
SkASSERT(!fReturnOnWrite);
fLinefeeds = 0;
fSpaces = 0;
fColumn = 0;
fPendingSpace = 0;
}
bool parseFile(const char* file, const char* suffix, OneFile );
bool parseStatus(const char* file, const char* suffix, StatusFilter filter);
virtual bool parseFromFile(const char* path) = 0;
bool parseSetup(const char* path);
void popObject() {
fParent->fContentEnd = fParent->fTerminator = fChar;
fParent = fParent->fParent;
}
static char* ReadToBuffer(string filename, int* size);
virtual void reset() = 0;
void resetCommon() {
fLine = fChar = fStart;
fLineCount = 0;
fLinesWritten = 1;
fParent = nullptr;
fIndent = 0;
fOut = nullptr;
fMaxLF = 2;
fPendingLF = 0;
fPendingSpace = 0;
fOutdentNext = false;
fWritingIncludes = false;
fDebugWriteCodeBlock = false;
nl();
}
void setAsParent(Definition* definition) {
if (fParent) {
fParent->fChildren.push_back(definition);
definition->fParent = fParent;
}
fParent = definition;
}
void singleLF() {
fMaxLF = 1;
}
void stringAppend(string& result, char ch) const;
void stringAppend(string& result, string str) const;
void stringAppend(string& result, const Definition* ) const;
void writeBlock(int size, const char* data) {
SkAssertResult(writeBlockTrim(size, data));
}
bool writeBlockIndent(int size, const char* data, bool ignoreIndent);
void writeBlockSeparator() {
this->writeString(
"# ------------------------------------------------------------------------------");
this->lf(2);
}
bool writeBlockTrim(int size, const char* data);
void writeCommentHeader() {
this->lf(2);
this->writeString("/**");
this->writeSpace();
}
void writeCommentTrailer(OneLine oneLine) {
if (OneLine::kNo == oneLine) {
this->lf(1);
} else {
this->writeSpace();
}
this->writeString("*/");
this->lfcr();
}
void writePending();
// write a pending space, so that two consecutive calls
// don't double write, and trailing spaces on lines aren't written
void writeSpace(int count = 1) {
SkASSERT(!fReturnOnWrite);
SkASSERT(!fPendingLF);
SkASSERT(!fLinefeeds);
SkASSERT(fColumn > 0);
SkASSERT(!fSpaces);
fPendingSpace = count;
}
void writeString(const char* str);
void writeString(string str) {
this->writeString(str.c_str());
}
static bool WrittenFileDiffers(string filename, string readname);
unordered_map<string, sk_sp<SkData>> fRawData;
unordered_map<string, vector<char>> fLFOnly;
vector<IndentState> fIndentStack;
Definition* fParent;
FILE* fOut;
string fRawFilePathDir;
int fLinefeeds; // number of linefeeds last written, zeroed on non-space
int fMaxLF; // number of linefeeds allowed
int fPendingLF; // number of linefeeds to write (can be suppressed)
int fSpaces; // number of spaces (indent) last written, zeroed on non-space
int fColumn; // current column; number of chars past last linefeed
int fIndent; // desired indention
int fPendingSpace; // one or two spaces should preceed the next string or block
size_t fLinesWritten; // as opposed to fLineCount, number of lines read
char fLastChar; // last written
bool fDebugOut; // set true to write to std out
bool fValidate; // set true to check anchor defs and refs
bool fOutdentNext; // set at end of embedded struct to prevent premature outdent
bool fWroteSomething; // used to detect empty content; an alternative source is preferable
bool fReturnOnWrite; // used to detect non-empty content; allowing early return
bool fWritingIncludes; // set true when writing includes to check >100 columns
mutable bool fDebugWriteCodeBlock;
private:
typedef TextParser INHERITED;
};
struct JsonStatus {
const Json::Value& fObject;
Json::Value::iterator fIter;
string fName;
StatusFilter fStatusFilter;
};
class JsonCommon : public ParserCommon {
public:
bool empty() { return fStack.empty(); }
bool parseFromFile(const char* path) override;
void reset() override {
fStack.clear();
INHERITED::resetCommon();
}
vector<JsonStatus> fStack;
Json::Value fRoot;
private:
typedef ParserCommon INHERITED;
};
class StatusIter : public JsonCommon {
public:
StatusIter(const char* statusFile, const char* suffix, StatusFilter);
~StatusIter() override {}
string baseDir();
bool next(string* file, StatusFilter* filter);
private:
const char* fSuffix;
StatusFilter fFilter;
};
class HackParser : public ParserCommon {
public:
HackParser(const BmhParser& bmhParser)
: ParserCommon()
, fBmhParser(bmhParser) {
this->reset();
}
bool parseFromFile(const char* path) override {
if (!INHERITED::parseSetup(path)) {
return false;
}
return hackFiles();
}
void reset() override {
INHERITED::resetCommon();
}
void replaceWithPop(const Definition* );
private:
const BmhParser& fBmhParser;
bool hackFiles();
typedef ParserCommon INHERITED;
};
#endif