824 lines
21 KiB
C++
824 lines
21 KiB
C++
//
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// hdivide.cpp -- yet another header file divider
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//
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// 1998 Nov Hiro Yamamoto
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//
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#pragma warning(disable: 4786)
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#include <cstdio>
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#include <string>
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#include <cstdarg>
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#include <map>
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#include <vector>
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#include <cassert>
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#include <io.h>
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#define PROGNAME "hdivide"
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#define VERSION "1.0"
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extern "C" {
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extern int getopt(int argc, char** argv, const char* opts);
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extern int optind;
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}
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namespace opt {
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bool verbose;
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}
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namespace input {
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unsigned long length;
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int lineno = 1;
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std::string path;
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std::string strip(const std::string& fname)
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{
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std::string stripped;
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//
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// find the "path" part
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//
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int n = fname.rfind('\\');
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if (n < 0) {
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n = fname.rfind('/');
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}
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if (n < 0 && (n = fname.rfind(':')) < 0) {
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n = 0;
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}
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else {
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++n;
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}
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// store the path
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path = fname.substr(0, n);
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// retrive the filename portion
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stripped = fname.substr(n, fname.length());
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return stripped;
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}
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}
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#ifndef ARRAY_SIZE
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#define ARRAY_SIZE(a) (sizeof(a) / sizeof(a[0]))
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#endif
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namespace id {
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const char all[] = "all";
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const char begin[] = "begin";
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const char end[] = "end";
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const char else_[] = "else";
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const int begin_size = ARRAY_SIZE(begin) - 1;
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const int end_size = ARRAY_SIZE(end) - 1;
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const int else_size = ARRAY_SIZE(else_) - 1;
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const char internal[] = "internal";
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const char public_[] = "public";
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const char null[] = "null";
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std::string privatefile;
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std::string publicfile;
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const char insert[] = "insert";
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const int insert_size = ARRAY_SIZE(insert) - 1;
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const char reference_start[] = "reference_start";
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const char reference_end[] = "reference_end";
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}
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#define MYFAILURE_OPENFILE (120)
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#define MYFAILURE_INVALID_FORMAT (121)
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using namespace std;
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//////////////////////////////////////////////////////////////////////////
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// usage
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//////////////////////////////////////////////////////////////////////////
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void usage()
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{
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fputs(PROGNAME ": version " VERSION "\n", stderr);
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fputs("usage: hdivide [-v] input-filename (no path name please)\n", stderr);
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}
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//////////////////////////////////////////////////////////////////////////
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// misc. helpers
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//////////////////////////////////////////////////////////////////////////
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inline void makeupper(string& str)
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{
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for (int i = 0; i < str.length(); ++i) {
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str[i] = (char)toupper(str[i]);
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}
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}
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inline void makelower(string& str)
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{
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for (int i = 0; i < str.length(); ++i) {
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str[i] = (char)tolower(str[i]);
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}
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}
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namespace msg {
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void __cdecl error(const char* fmt, ...)
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{
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va_list args;
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fputs(PROGNAME ": [error] ", stderr);
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va_start(args, fmt);
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vfprintf(stderr, fmt, args);
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va_end(args);
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putc('\n', stderr);
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}
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void __cdecl verbose(const char* fmt, ...)
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{
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if (!opt::verbose)
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return;
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va_list args;
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fputs(PROGNAME ": ", stderr);
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va_start(args, fmt);
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vfprintf(stderr, fmt, args);
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va_end(args);
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putc('\n', stderr);
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}
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}
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//////////////////////////////////////////////////////////////////////////
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// class Output
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//////////////////////////////////////////////////////////////////////////
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class Output;
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class Insertion {
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public:
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// somehow the default constructor is required for std::vector
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// on NT5 build environment, as of Nov 1998
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explicit Insertion() : m_insert(NULL), m_insertion_point(-1) { }
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explicit Insertion(Output* insert, int point)
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: m_insert(insert), m_insertion_point(point)
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{
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}
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public:
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Output* m_insert;
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int m_insertion_point;
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};
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class Reference {
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public:
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// somehow the default constructor is required for std::vector
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// on NT5 build environment, as of Nov 1998
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Reference() : m_start(-1), m_end(-1) { }
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explicit Reference(int start, int end)
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: m_start(start), m_end(end) { }
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public:
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int m_start;
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int m_end;
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};
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class Output {
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public:
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explicit Output(const string& name)
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: m_name(name),
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m_fname(input::path + name + ".x"),
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m_alive(true),
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m_insertion_finished(false),
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m_reference_start(-1)
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{
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msg::verbose("opening %s", m_fname.c_str());
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if ((m_fp = fopen(m_fname.c_str(), "wt")) == NULL) {
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msg::error("cannot open file %s", m_fname.c_str());
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throw MYFAILURE_OPENFILE;
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}
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if (m_tomem) {
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m_buffer.reserve(input::length);
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}
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}
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virtual ~Output();
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public:
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void setalive(bool alive)
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{
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m_alive = alive;
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}
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bool getalive()
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{
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return m_alive;
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}
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const string& getname()
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{
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return m_name;
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}
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void put(int c)
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{
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assert(m_fp);
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if (m_alive) {
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if (m_tomem) {
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m_buffer += (char)c;
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}
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else {
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putc(c, m_fp);
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}
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}
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}
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void puts(const char* s)
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{
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assert(m_fp);
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if (m_alive) {
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if (m_tomem) {
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m_buffer += s;
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}
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else {
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fputs(s, m_fp);
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}
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}
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}
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bool operator<(const Output* a)
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{
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return m_name < a->m_name;
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}
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void set_insertion_point(Output* insert);
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void set_reference_start();
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void set_reference_end();
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bool do_insertion();
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protected:
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FILE* m_fp;
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bool m_alive;
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static bool m_tomem;
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string m_name;
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string m_fname;
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string m_buffer;
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vector<Insertion> m_insertions;
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bool m_insertion_finished;
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vector<Reference> m_references;
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int m_reference_start;
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int m_reference_start_line;
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};
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bool Output::m_tomem = true;
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Output::~Output()
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{
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if (m_reference_start != -1) {
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msg::error("reference started at line %d is not closed in tag '%s'",
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m_reference_start_line, m_name.c_str());
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throw MYFAILURE_INVALID_FORMAT;
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}
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if (!m_buffer.empty()) {
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msg::verbose("flushing %s", m_fname.c_str());
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fputs(m_buffer.c_str(), m_fp);
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}
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if (m_fp) {
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fclose(m_fp);
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}
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}
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void Output::set_insertion_point(Output* insert)
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{
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assert(insert!= NULL);
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if (m_alive) {
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Insertion i(insert, m_buffer.length());
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m_insertions.push_back(i);
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}
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}
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void Output::set_reference_start()
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{
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if (m_alive) {
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if (m_reference_start != -1) {
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msg::error("line %d: invalid reference_start appeared in tag context '%s'", input::lineno, m_name.c_str());
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throw MYFAILURE_INVALID_FORMAT;
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}
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m_reference_start = m_buffer.length();
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m_reference_start_line = input::lineno;
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}
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}
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void Output::set_reference_end()
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{
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if (m_alive) {
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if (m_reference_start == -1) {
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msg::error("line %d: invalid reference_end appeared in tag context '%s'", input::lineno, m_name.c_str());
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throw MYFAILURE_INVALID_FORMAT;
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}
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Reference ref(m_reference_start, m_buffer.length());
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msg::verbose("%s reference_end: %d - %d", m_name.c_str(), ref.m_start, ref.m_end);
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m_reference_start = -1;
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m_references.push_back(ref);
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}
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}
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bool Output::do_insertion()
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{
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if (!m_tomem || m_insertion_finished)
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return true;
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// to avoid infinite recursion by errornous commands,
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// firstly declare we've finished this.
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m_insertion_finished = true;
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int upto = m_insertions.size();
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for (int i = 0; i < upto; ++i) {
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Insertion& ins = m_insertions[i];
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assert(&ins);
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if (ins.m_insert->m_references.size() == 0) {
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msg::error("reference area is not specified or incorrect for tag '%s'", ins.m_insert->m_name.c_str());
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return false;
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}
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if (!ins.m_insert->m_insertion_finished) {
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if (!ins.m_insert->do_insertion())
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return false;
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}
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Output* o = ins.m_insert;
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for (int l = 0; l < o->m_references.size(); ++l) {
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Reference& ref = o->m_references[l];
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int len = ref.m_end - ref.m_start;
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msg::verbose("%s [%d] inserting text at %d, %s(%d - %d)",
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m_name.c_str(), l,
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ins.m_insertion_point,
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o->m_name.c_str(), ref.m_start, ref.m_start + len);
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m_buffer.insert(ins.m_insertion_point,
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o->m_buffer, ref.m_start,
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len);
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// fixup my insertions
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int point = ins.m_insertion_point;
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for (int k = 0; k < m_insertions.size(); ++k) {
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if (m_insertions[k].m_insertion_point >= point) {
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m_insertions[k].m_insertion_point += len;
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msg::verbose("%s [%d] insertion point fixed from %d to %d",
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m_name.c_str(), k,
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m_insertions[k].m_insertion_point - len,
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m_insertions[k].m_insertion_point);
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}
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}
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// fixup my references
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for (k = 0; k < m_references.size(); ++k) {
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msg::verbose("%s m_reference[%d].m_start=%d, m_end=%d adding len=%d", m_name.c_str(),
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k,
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m_references[k].m_start, m_references[k].m_end,
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len);
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if (m_references[k].m_start > point) {
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m_references[k].m_start += len;
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}
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if (m_references[k].m_end > point) {
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m_references[k].m_end += len;
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msg::verbose("finally start=%d, end=%d", m_references[k].m_start, m_references[k].m_end);
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}
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}
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}
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}
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return true;
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}
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//////////////////////////////////////////////////////////////////////////
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// class Divider
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//
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// this class manages the map of Output and performs misc. operations
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//////////////////////////////////////////////////////////////////////////
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class Divider : public map<string, Output*>
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{
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public:
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virtual ~Divider()
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{
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// process insertions
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for (iterator i = begin(); i != end(); ++i) {
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if (!i->second->do_insertion())
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break;
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}
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// clear up
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for (i = begin(); i != end(); ++i) {
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delete i->second;
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}
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}
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//////////////////////////////////////////////////////////////////////////
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// printout
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//
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// printout the argument to outputs
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//////////////////////////////////////////////////////////////////////////
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void printout(int c)
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{
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for (iterator i = begin(); i != end(); ++i) {
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i->second->put(c);
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}
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}
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void printout(const char* s)
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{
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for (iterator i = begin(); i != end(); ++i) {
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i->second->puts(s);
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}
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}
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void process_line(string& line);
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protected:
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void extract_version(const string& name, string& symbol, string& version, bool allow_omission = false);
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void get_arg(const string& name, string& arg);
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void prepare_section(string& name);
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void process_divider(string& line);
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void set_alive(bool alive)
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{
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for (iterator i = begin(); i != end(); ++i) {
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i->second->setalive(alive);
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}
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}
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typedef map<string, bool> OutputState;
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void push_state(OutputState& state)
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{
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state.clear();
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for (iterator i = begin(); i != end(); ++i) {
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state[i->second->getname()] = i->second->getalive();
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}
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}
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void pop_state(OutputState& state)
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{
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for (OutputState::iterator i = state.begin(); i != state.end(); ++i) {
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assert((*this)[i->first] != NULL);
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(*this)[i->first]->setalive(i->second);
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}
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}
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protected:
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string m_last_symbol;
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string m_last_version;
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};
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void Divider::prepare_section(string& name)
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{
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// make it lower case
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makelower(name);
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if (name == id::internal) {
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name = id::privatefile;
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}
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else if (name == id::public_) {
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name = id::publicfile;
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}
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if (name != id::null && (*this)[name] == NULL) {
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(*this)[name] = new Output(name);
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}
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}
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//////////////////////////////////////////////////////////////////////////
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// Divider::extract_version
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//
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// extracts version symbol and supported version
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//
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// "begin_symbol_version" is splited to symbol and version.
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// Both are stored in upper case.
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//////////////////////////////////////////////////////////////////////////
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void Divider::extract_version(const string& name, string& symbol, string& version, bool allow_omission /*= false*/)
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{
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int nsymbol = name.find('_');
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int nver = name.rfind('_');
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if (nsymbol == -1 || nver == nsymbol) {
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if (allow_omission) {
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symbol = m_last_symbol;
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version = m_last_version;
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return;
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}
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else {
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msg::error("line %d: invalid version specifier '%s'", input::lineno, name.c_str());
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throw MYFAILURE_INVALID_FORMAT;
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}
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}
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// symbol
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symbol = name.substr(nsymbol + 1, nver - nsymbol - 1);
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// upper case
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makeupper(symbol);
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version = "0000" + name.substr(nver + 1, name.length());
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version = version.substr(version.length() - 4, 4);
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makeupper(version);
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m_last_symbol = symbol;
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m_last_version = version;
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}
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//////////////////////////////////////////////////////////////////////////
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// Divider::get_arg
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//
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// extracts one argument separated by "_"
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//////////////////////////////////////////////////////////////////////////
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void Divider::get_arg(const string& name, string& arg)
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{
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int npos = name.find('_');
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if (npos == -1) {
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msg::error("line %d: command incompleted in '%s'", input::lineno, name.c_str());
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throw MYFAILURE_INVALID_FORMAT;
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}
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arg = name.substr(npos + 1, name.length());
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}
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//////////////////////////////////////////////////////////////////////////
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// Divider::process_divider
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//
|
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// processes the divider instructions
|
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//////////////////////////////////////////////////////////////////////////
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|
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void Divider::process_divider(string& line)
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{
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const char* p = line.begin();
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++p;
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bool makelive = true;
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if (*p == '!') {
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makelive = false;
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++p;
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}
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// skip the heading spaces
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while (isspace(*p))
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++p;
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|
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for (int col = 0; p != line.end(); ++col) {
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// pickup the name
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string name;
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while (*p != ';' && p != line.end()) {
|
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if (!isspace(*p)) {
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name += *p;
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}
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++p;
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}
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if (p != line.end()) {
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++p;
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}
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// first column may have special meaning
|
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if (col == 0) {
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if (name == id::all) {
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set_alive(makelive);
|
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// does "!all" make sense ?
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// however i'm supporting it anyway
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break;
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}
|
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if (name == id::null) {
|
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set_alive(!makelive);
|
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break;
|
|
}
|
|
if (name.substr(0, id::insert_size) == id::insert) {
|
|
string insert;
|
|
get_arg(name, insert);
|
|
prepare_section(insert);
|
|
if (insert == id::null || insert == id::all) {
|
|
msg::error("line %d: invalid insertion of '%s'", input::lineno, insert.c_str());
|
|
throw MYFAILURE_INVALID_FORMAT;
|
|
}
|
|
assert((*this)[insert] != NULL);
|
|
for (iterator i = begin(); i != end(); ++i) {
|
|
(*this)[i->first]->set_insertion_point((*this)[insert]);
|
|
}
|
|
break;
|
|
}
|
|
if (name == id::reference_start) {
|
|
for (iterator i = begin(); i != end(); ++i) {
|
|
(*this)[i->first]->set_reference_start();
|
|
}
|
|
break;
|
|
}
|
|
if (name == id::reference_end) {
|
|
for (iterator i = begin(); i != end(); ++i) {
|
|
(*this)[i->first]->set_reference_end();
|
|
}
|
|
break;
|
|
}
|
|
|
|
if (name.substr(0, id::begin_size) == id::begin) {
|
|
string symbol;
|
|
string version;
|
|
extract_version(name, symbol, version);
|
|
printout("#if (");
|
|
printout(symbol.c_str());
|
|
printout(" >= 0x");
|
|
printout(version.c_str());
|
|
printout(")\n");
|
|
break;
|
|
}
|
|
if (name.substr(0, id::else_size) == id::else_) {
|
|
printout("#else\n");
|
|
break;
|
|
}
|
|
if (name.substr(0, id::end_size) == id::end) {
|
|
string symbol;
|
|
string version;
|
|
extract_version(name, symbol, version, true);
|
|
printout("#endif /* ");
|
|
printout(symbol.c_str());
|
|
printout(" >= 0x");
|
|
printout(version.c_str());
|
|
printout(" */\n");
|
|
break;
|
|
}
|
|
|
|
// setup the initial state
|
|
set_alive(!makelive);
|
|
}
|
|
prepare_section(name);
|
|
(*this)[name]->setalive(makelive);
|
|
}
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
// Divider::process_line
|
|
//
|
|
// handles one line
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
void Divider::process_line(string& line)
|
|
{
|
|
if (line[0] == ';') {
|
|
process_divider(line);
|
|
}
|
|
else {
|
|
// check if inline section appears
|
|
bool instr = false;
|
|
const char* p = line.begin();
|
|
const char* section = NULL;
|
|
while (p != line.end()) {
|
|
if (*p == '\\' && (p + 1) != line.end()) {
|
|
// skip escape character
|
|
// note: no consideration for Shift JIS
|
|
++p;
|
|
}
|
|
else if (*p == '"' || *p == '\'') {
|
|
// beginning of end of literal
|
|
instr = !instr;
|
|
}
|
|
else if (*p == '@' && !instr) {
|
|
// we have inline section
|
|
section = p;
|
|
break;
|
|
}
|
|
++p;
|
|
}
|
|
|
|
if (section) {
|
|
//
|
|
// if inline tag is specified, temporarily change
|
|
// the output
|
|
//
|
|
OutputState state;
|
|
push_state(state);
|
|
assert(*p == '@');
|
|
++p;
|
|
if (*p == '+') {
|
|
++p;
|
|
}
|
|
else {
|
|
set_alive(false);
|
|
}
|
|
while (p != line.end()) {
|
|
string name;
|
|
while (*p != ';' && p != line.end()) {
|
|
if (!isspace(*p)) {
|
|
name += *p;
|
|
}
|
|
++p;
|
|
}
|
|
if (p != line.end())
|
|
++p;
|
|
if (name == id::all) {
|
|
set_alive(true);
|
|
break;
|
|
}
|
|
if (name == id::null) {
|
|
set_alive(false);
|
|
break;
|
|
}
|
|
prepare_section(name);
|
|
(*this)[name]->setalive(true);
|
|
}
|
|
// trim trailing spaces
|
|
int i = section - line.begin() - 1;
|
|
while (i >= 0 && isspace(line[i])) {
|
|
--i;
|
|
}
|
|
line = line.substr(0, i + 1);
|
|
printout(line.c_str());
|
|
printout('\n');
|
|
pop_state(state);
|
|
}
|
|
else {
|
|
printout(line.c_str());
|
|
printout('\n');
|
|
}
|
|
}
|
|
++input::lineno;
|
|
}
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
// hdivide
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
void hdivide(FILE* fp)
|
|
{
|
|
Divider divider;
|
|
|
|
divider[id::publicfile] = new Output(id::publicfile);
|
|
divider[id::privatefile] = new Output(id::privatefile);
|
|
|
|
string line;
|
|
int c;
|
|
|
|
while ((c = getc(fp)) != EOF) {
|
|
if (c == '\n') {
|
|
divider.process_line(line);
|
|
line = "";
|
|
}
|
|
else {
|
|
line += (char)c;
|
|
}
|
|
}
|
|
if (!line.empty())
|
|
divider.process_line(line);
|
|
}
|
|
|
|
|
|
//////////////////////////////////////////////////////////////////////////
|
|
// main
|
|
//////////////////////////////////////////////////////////////////////////
|
|
|
|
int __cdecl main(int argc, char** argv)
|
|
{
|
|
int c;
|
|
|
|
while ((c = getopt(argc, argv, "v")) != EOF) {
|
|
switch (c) {
|
|
case 'v':
|
|
opt::verbose = true;
|
|
break;
|
|
default:
|
|
usage();
|
|
return EXIT_FAILURE;
|
|
}
|
|
}
|
|
|
|
if (optind == argc) {
|
|
usage();
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
msg::verbose("input file: %s", argv[optind]);
|
|
|
|
FILE* fp = fopen(argv[optind], "rt");
|
|
if (fp == NULL) {
|
|
msg::error("cannot open input file %s", argv[optind]);
|
|
return EXIT_FAILURE;
|
|
}
|
|
|
|
input::length = _filelength(_fileno(fp));
|
|
|
|
id::publicfile = argv[optind];
|
|
id::publicfile = input::strip(id::publicfile.substr(0, id::publicfile.length() - 2));
|
|
id::privatefile = id::publicfile + "p";
|
|
|
|
int exitcode = EXIT_SUCCESS;
|
|
|
|
try {
|
|
hdivide(fp);
|
|
} catch (int err) {
|
|
exitcode = EXIT_FAILURE;
|
|
switch (err) {
|
|
case MYFAILURE_OPENFILE:
|
|
break;
|
|
case MYFAILURE_INVALID_FORMAT:
|
|
msg::error("fatal: invalid format");
|
|
break;
|
|
}
|
|
} catch (...) {
|
|
exitcode = EXIT_FAILURE;
|
|
}
|
|
|
|
fclose(fp);
|
|
|
|
return exitcode;
|
|
}
|