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-rw-r--r--tools/atree/files.cpp427
1 files changed, 0 insertions, 427 deletions
diff --git a/tools/atree/files.cpp b/tools/atree/files.cpp
deleted file mode 100644
index c675ab7..0000000
--- a/tools/atree/files.cpp
+++ /dev/null
@@ -1,427 +0,0 @@
-#include "files.h"
-#include <stdio.h>
-#include <string.h>
-#include <stdlib.h>
-#include <errno.h>
-#include <sys/stat.h>
-#include <unistd.h>
-#include <dirent.h>
-#include <fnmatch.h>
-
-static bool
-is_comment_line(const char* p)
-{
- while (*p && isspace(*p)) {
- p++;
- }
- return *p == '#';
-}
-
-static string
-path_append(const string& base, const string& leaf)
-{
- string full = base;
- if (base.length() > 0 && leaf.length() > 0) {
- full += '/';
- }
- full += leaf;
- return full;
-}
-
-static bool
-is_whitespace_line(const char* p)
-{
- while (*p) {
- if (!isspace(*p)) {
- return false;
- }
- p++;
- }
- return true;
-}
-
-static bool
-is_exclude_line(const char* p) {
- while (*p) {
- if (*p == '-') {
- return true;
- }
- else if (isspace(*p)) {
- p++;
- }
- else {
- return false;
- }
- }
- return false;
-}
-
-void
-split_line(const char* p, vector<string>* out)
-{
- const char* q = p;
- enum { WHITE, TEXT } state = WHITE;
- while (*p) {
- if (*p == '#') {
- break;
- }
-
- switch (state)
- {
- case WHITE:
- if (!isspace(*p)) {
- q = p;
- state = TEXT;
- }
- break;
- case TEXT:
- if (isspace(*p)) {
- if (q != p) {
- out->push_back(string(q, p-q));
- }
- state = WHITE;
- }
- break;
- }
- p++;
- }
- if (state == TEXT) {
- out->push_back(string(q, p-q));
- }
-}
-
-static void
-add_file(vector<FileRecord>* files, const string& listFile, int listLine,
- const string& sourceName, const string& outName)
-{
- FileRecord rec;
- rec.listFile = listFile;
- rec.listLine = listLine;
- rec.sourceName = sourceName;
- rec.outName = outName;
- files->push_back(rec);
-}
-
-static string
-replace_variables(const string& input,
- const map<string, string>& variables,
- bool* error) {
- if (variables.empty()) {
- return input;
- }
-
- // Abort if the variable prefix is not found
- if (input.find("${") == string::npos) {
- return input;
- }
-
- string result = input;
-
- // Note: rather than be fancy to detect recursive replacements,
- // we simply iterate till a given threshold is met.
-
- int retries = 1000;
- bool did_replace;
-
- do {
- did_replace = false;
- for (map<string, string>::const_iterator it = variables.begin();
- it != variables.end(); ++it) {
- string::size_type pos = 0;
- while((pos = result.find(it->first, pos)) != string::npos) {
- result = result.replace(pos, it->first.length(), it->second);
- pos += it->second.length();
- did_replace = true;
- }
- }
- if (did_replace && --retries == 0) {
- *error = true;
- fprintf(stderr, "Recursive replacement detected during variables "
- "substitution. Full list of variables is: ");
-
- for (map<string, string>::const_iterator it = variables.begin();
- it != variables.end(); ++it) {
- fprintf(stderr, " %s=%s\n",
- it->first.c_str(), it->second.c_str());
- }
-
- return result;
- }
- } while (did_replace);
-
- return result;
-}
-
-int
-read_list_file(const string& filename,
- const map<string, string>& variables,
- vector<FileRecord>* files,
- vector<string>* excludes)
-{
- int err = 0;
- FILE* f = NULL;
- long size;
- char* buf = NULL;
- char *p, *q;
- int i, lineCount;
-
- f = fopen(filename.c_str(), "r");
- if (f == NULL) {
- fprintf(stderr, "Could not open list file (%s): %s\n",
- filename.c_str(), strerror(errno));
- err = errno;
- goto cleanup;
- }
-
- err = fseek(f, 0, SEEK_END);
- if (err != 0) {
- fprintf(stderr, "Could not seek to the end of file %s. (%s)\n",
- filename.c_str(), strerror(errno));
- err = errno;
- goto cleanup;
- }
-
- size = ftell(f);
-
- err = fseek(f, 0, SEEK_SET);
- if (err != 0) {
- fprintf(stderr, "Could not seek to the beginning of file %s. (%s)\n",
- filename.c_str(), strerror(errno));
- err = errno;
- goto cleanup;
- }
-
- buf = (char*)malloc(size+1);
- if (buf == NULL) {
- // (potentially large)
- fprintf(stderr, "out of memory (%ld)\n", size);
- err = ENOMEM;
- goto cleanup;
- }
-
- if (1 != fread(buf, size, 1, f)) {
- fprintf(stderr, "error reading file %s. (%s)\n",
- filename.c_str(), strerror(errno));
- err = errno;
- goto cleanup;
- }
-
- // split on lines
- p = buf;
- q = buf+size;
- lineCount = 0;
- while (p<q) {
- if (*p == '\r' || *p == '\n') {
- *p = '\0';
- lineCount++;
- }
- p++;
- }
-
- // read lines
- p = buf;
- for (i=0; i<lineCount; i++) {
- int len = strlen(p);
- q = p + len + 1;
- if (is_whitespace_line(p) || is_comment_line(p)) {
- ;
- }
- else if (is_exclude_line(p)) {
- while (*p != '-') p++;
- p++;
- excludes->push_back(string(p));
- }
- else {
- vector<string> words;
-
- split_line(p, &words);
-
-#if 0
- printf("[ ");
- for (size_t k=0; k<words.size(); k++) {
- printf("'%s' ", words[k].c_str());
- }
- printf("]\n");
-#endif
-
- if (words.size() == 1) {
- // pattern: DEST
- bool error = false;
- string w0 = replace_variables(words[0], variables, &error);
- if (error) {
- err = 1;
- goto cleanup;
- }
- add_file(files, filename, i+1, w0, w0);
- }
- else if (words.size() == 2) {
- // pattern: SRC DEST
- bool error = false;
- string w0, w1;
- w0 = replace_variables(words[0], variables, &error);
- if (!error) {
- w1 = replace_variables(words[1], variables, &error);
- }
- if (error) {
- err = 1;
- goto cleanup;
- }
- add_file(files, filename, i+1, w0, w1);
- }
- else {
- fprintf(stderr, "%s:%d: bad format: %s\n", filename.c_str(),
- i+1, p);
- err = 1;
- }
- }
- p = q;
- }
-
-cleanup:
- if (buf != NULL) {
- free(buf);
- }
- if (f != NULL) {
- fclose(f);
- }
- return err;
-}
-
-
-int
-locate(FileRecord* rec, const vector<string>& search)
-{
- int err;
-
- for (vector<string>::const_iterator it=search.begin();
- it!=search.end(); it++) {
- string full = path_append(*it, rec->sourceName);
- struct stat st;
- err = stat(full.c_str(), &st);
- if (err == 0) {
- rec->sourceBase = *it;
- rec->sourcePath = full;
- rec->sourceMod = st.st_mtime;
- rec->sourceIsDir = S_ISDIR(st.st_mode);
- return 0;
- }
- }
-
- fprintf(stderr, "%s:%d: couldn't locate source file: %s\n",
- rec->listFile.c_str(), rec->listLine, rec->sourceName.c_str());
- return 1;
-}
-
-void
-stat_out(const string& base, FileRecord* rec)
-{
- rec->outPath = path_append(base, rec->outName);
-
- int err;
- struct stat st;
- err = stat(rec->outPath.c_str(), &st);
- if (err == 0) {
- rec->outMod = st.st_mtime;
- rec->outIsDir = S_ISDIR(st.st_mode);
- } else {
- rec->outMod = 0;
- rec->outIsDir = false;
- }
-}
-
-string
-dir_part(const string& filename)
-{
- int pos = filename.rfind('/');
- if (pos <= 0) {
- return ".";
- }
- return filename.substr(0, pos);
-}
-
-static void
-add_more(const string& entry, bool isDir,
- const FileRecord& rec, vector<FileRecord>*more)
-{
- FileRecord r;
- r.listFile = rec.listFile;
- r.listLine = rec.listLine;
- r.sourceName = path_append(rec.sourceName, entry);
- r.sourcePath = path_append(rec.sourceBase, r.sourceName);
- struct stat st;
- int err = stat(r.sourcePath.c_str(), &st);
- if (err == 0) {
- r.sourceMod = st.st_mtime;
- }
- r.sourceIsDir = isDir;
- r.outName = path_append(rec.outName, entry);
- more->push_back(r);
-}
-
-static bool
-matches_excludes(const char* file, const vector<string>& excludes)
-{
- for (vector<string>::const_iterator it=excludes.begin();
- it!=excludes.end(); it++) {
- if (0 == fnmatch(it->c_str(), file, FNM_PERIOD)) {
- return true;
- }
- }
- return false;
-}
-
-static int
-list_dir(const string& path, const FileRecord& rec,
- const vector<string>& excludes,
- vector<FileRecord>* more)
-{
- int err;
-
- string full = path_append(rec.sourceBase, rec.sourceName);
- full = path_append(full, path);
-
- DIR *d = opendir(full.c_str());
- if (d == NULL) {
- return errno;
- }
-
- vector<string> dirs;
-
- struct dirent *ent;
- while (NULL != (ent = readdir(d))) {
- if (0 == strcmp(".", ent->d_name)
- || 0 == strcmp("..", ent->d_name)) {
- continue;
- }
- if (matches_excludes(ent->d_name, excludes)) {
- continue;
- }
- string entry = path_append(path, ent->d_name);
-#ifdef HAVE_DIRENT_D_TYPE
- bool is_directory = (ent->d_type == DT_DIR);
-#else
- // If dirent.d_type is missing, then use stat instead
- struct stat stat_buf;
- stat(entry.c_str(), &stat_buf);
- bool is_directory = S_ISDIR(stat_buf.st_mode);
-#endif
- add_more(entry, is_directory, rec, more);
- if (is_directory) {
- dirs.push_back(entry);
- }
- }
- closedir(d);
-
- for (vector<string>::iterator it=dirs.begin(); it!=dirs.end(); it++) {
- list_dir(*it, rec, excludes, more);
- }
-
- return 0;
-}
-
-int
-list_dir(const FileRecord& rec, const vector<string>& excludes,
- vector<FileRecord>* files)
-{
- return list_dir("", rec, excludes, files);
-}
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