From 1849aa2a72d7f530e2c18d640528075bcdf8991c Mon Sep 17 00:00:00 2001
From: Eelco Dolstra <e.dolstra@tudelft.nl>
Date: Fri, 20 Jun 2003 10:40:25 +0000
Subject: * Refactoring: move dump function into archive.cc.

---
 src/hash.cc | 135 +-----------------------------------------------------------
 1 file changed, 1 insertion(+), 134 deletions(-)

(limited to 'src/hash.cc')

diff --git a/src/hash.cc b/src/hash.cc
index fa016c8359..765b7ba04a 100644
--- a/src/hash.cc
+++ b/src/hash.cc
@@ -1,16 +1,11 @@
 #include <iostream>
 
-#include <sys/types.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <fcntl.h>
-
 extern "C" {
 #include "md5.h"
 }
 
 #include "hash.hh"
+#include "archive.hh"
 
 
 Hash::Hash()
@@ -117,131 +112,3 @@ Hash hashPath(const string & path)
     md5_finish_ctx(&sink.ctx, hash.hash);
     return hash;
 }
-
-
-static void pad(unsigned int len, DumpSink & sink)
-{
-    if (len % 8) {
-        unsigned char zero[8];
-        memset(zero, 0, sizeof(zero));
-        sink(zero, 8 - (len % 8));
-    }
-}
-
-
-static void writeInt(unsigned int n, DumpSink & sink)
-{
-    unsigned char buf[8];
-    memset(buf, 0, sizeof(buf));
-    buf[0] = n & 0xff;
-    buf[1] = (n >> 8) & 0xff;
-    buf[2] = (n >> 16) & 0xff;
-    buf[3] = (n >> 24) & 0xff;
-    sink(buf, sizeof(buf));
-}
-
-
-static void writeString(const string & s, DumpSink & sink)
-{
-    unsigned int len = s.length();
-    writeInt(len, sink);
-    sink((const unsigned char *) s.c_str(), len);
-    pad(len, sink);
-}
-
-
-static void dumpEntries(const string & path, DumpSink & sink)
-{
-    DIR * dir = opendir(path.c_str());
-    if (!dir) throw SysError("opening directory " + path);
-
-    Strings names;
-
-    struct dirent * dirent;
-    while (errno = 0, dirent = readdir(dir)) {
-        string name = dirent->d_name;
-        if (name == "." || name == "..") continue;
-        names.push_back(name);
-    }
-    if (errno) throw SysError("reading directory " + path);
-
-    sort(names.begin(), names.end());
-
-    for (Strings::iterator it = names.begin();
-         it != names.end(); it++)
-    {
-        writeString("entry", sink);
-        writeString("(", sink);
-        writeString("name", sink);
-        writeString(*it, sink);
-        writeString("file", sink);
-        dumpPath(path + "/" + *it, sink);
-        writeString(")", sink);
-    }
-    
-    closedir(dir); /* !!! close on exception */
-}
-
-
-static void dumpContents(const string & path, unsigned int size, 
-    DumpSink & sink)
-{
-    writeString("contents", sink);
-    writeInt(size, sink);
-
-    int fd = open(path.c_str(), O_RDONLY);
-    if (!fd) throw SysError("opening file " + path);
-    
-    unsigned char buf[65536];
-
-    unsigned int total = 0;
-    ssize_t n;
-    while ((n = read(fd, buf, sizeof(buf)))) {
-        if (n == -1) throw SysError("reading file " + path);
-        total += n;
-        sink(buf, n);
-    }
-
-    if (total != size)
-        throw SysError("file changed while reading it: " + path);
-
-    pad(size, sink);
-
-    close(fd); /* !!! close on exception */
-}
-
-
-void dumpPath(const string & path, DumpSink & sink)
-{
-    struct stat st;
-    if (lstat(path.c_str(), &st))
-        throw SysError("getting attributes of path " + path);
-
-    writeString("(", sink);
-
-    if (S_ISREG(st.st_mode)) {
-        writeString("type", sink);
-        writeString("regular", sink);
-        dumpContents(path, st.st_size, sink);
-    } 
-
-    else if (S_ISDIR(st.st_mode)) {
-        writeString("type", sink);
-        writeString("directory", sink);
-        dumpEntries(path, sink);
-    }
-
-    else if (S_ISLNK(st.st_mode)) {
-        writeString("type", sink);
-        writeString("symlink", sink);
-        char buf[st.st_size];
-        if (readlink(path.c_str(), buf, st.st_size) != st.st_size)
-            throw SysError("reading symbolic link " + path);
-        writeString("target", sink);
-        writeString(string(buf, st.st_size), sink);
-    }
-
-    else throw Error("unknown file type: " + path);
-
-    writeString(")", sink);
-}
-- 
cgit 1.4.1