vrfileman
changeset 1:9e3d77dad51b
moving on...
author | John Tsiombikas <nuclear@member.fsf.org> |
---|---|
date | Sat, 31 Jan 2015 20:01:35 +0200 |
parents | dca518e371cf |
children | 282da6123fd4 |
files | src/fs.cc src/fs.h |
diffstat | 2 files changed, 211 insertions(+), 0 deletions(-) [+] |
line diff
1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/src/fs.cc Sat Jan 31 20:01:35 2015 +0200 1.3 @@ -0,0 +1,146 @@ 1.4 +#include <stdio.h> 1.5 +#include <string.h> 1.6 +#include <ctype.h> 1.7 +#include <errno.h> 1.8 +#include <alloca.h> 1.9 +#include <unistd.h> 1.10 +#include <dirent.h> 1.11 +#include "fs.h" 1.12 + 1.13 +static char *clean_path(char *path); 1.14 +static char *filename(char *path); 1.15 + 1.16 +FSNode::FSNode() 1.17 +{ 1.18 + init(); 1.19 +} 1.20 + 1.21 +FSNode::~FSNode() 1.22 +{ 1.23 + destroy(); 1.24 +} 1.25 + 1.26 +void FSNode::init() 1.27 +{ 1.28 + path = name = 0; 1.29 + parent = 0; 1.30 + expanded = false; 1.31 + uid = gid = mode = 0; 1.32 +} 1.33 + 1.34 +void FSNode::destroy() 1.35 +{ 1.36 + delete [] path; 1.37 + children.clear(); 1.38 + init(); 1.39 +} 1.40 + 1.41 +void FSNode::destroy_tree() 1.42 +{ 1.43 + for(size_t i=0; i<children.size(); i++) { 1.44 + children[i]->destroy_tree(); 1.45 + delete children[i]; 1.46 + } 1.47 + destroy(); 1.48 +} 1.49 + 1.50 +void FSNode::set_path(const char *path) 1.51 +{ 1.52 + delete [] this->path; 1.53 + 1.54 + char *buf = new char[strlen(path) + 1]; 1.55 + strcpy(buf, path); 1.56 + 1.57 + char *tmp = clean_path(buf); 1.58 + if(tmp == buf) { 1.59 + this->path = tmp; 1.60 + } else { 1.61 + this->path = new char[strlen(tmp) + 1]; 1.62 + strcpy(this->path, tmp); 1.63 + delete [] buf; 1.64 + } 1.65 + 1.66 + name = filename(this->path); 1.67 +} 1.68 + 1.69 +void FSNode::set_name(const char *name) 1.70 +{ 1.71 + delete [] path; 1.72 + 1.73 + if(parent) { 1.74 + char *path = new char[strlen(name) + strlen(parent->path) + 2]; 1.75 + sprintf(path, "%s/%s", parent->path, name); 1.76 + set_path(path); 1.77 + } else { 1.78 + path = this->name = new char[strlen(name) + 1]; 1.79 + strcpy(path, name); 1.80 + } 1.81 +} 1.82 + 1.83 +#if 0 1.84 +FSDir *create_fsdir(const char *path) 1.85 +{ 1.86 + char *pathbuf; 1.87 + 1.88 + FSDir *node = new FSDir; 1.89 + node->name = std::string(filename(path)); 1.90 + 1.91 + DIR *dir = opendir(path); 1.92 + if(!dir) { 1.93 + fprintf(stderr, "failed to open dir: %s: %s\n", path, strerror(errno)); 1.94 + return 0; 1.95 + } 1.96 + 1.97 + pathbuf = (char*)alloca(strlen(path) + NAME_MAX + 2); 1.98 + 1.99 + struct dirent *ent; 1.100 + while((ent = readdir(dir))) { 1.101 + sprintf(pathbuf, "%s/%s", path, ent->d_ent); 1.102 + 1.103 + struct stat st; 1.104 + if(stat(pathbuf, &st) == -1) { 1.105 + fprintf(stderr, "failed to stat: %s: %s\n", pathbuf, strerror(errno)); 1.106 + continue; 1.107 + } 1.108 + 1.109 + if(S_ISDIR(st.st_type)) { 1.110 + FSDir *subdir = new FSDir; 1.111 + subdir->name = std::string(ent->d_ent); 1.112 + add_subdir(node, subdir); 1.113 + } else { 1.114 + FSFile *file = new FSFile; 1.115 + file->name = std::string(ent->d_ent); 1.116 + file->parent = node; 1.117 + } 1.118 + } 1.119 +} 1.120 +#endif 1.121 + 1.122 +static char *clean_path(char *path) 1.123 +{ 1.124 + while(*path && isspace(*path)) { 1.125 + path++; 1.126 + } 1.127 + 1.128 + char *end = path + strlen(path) - 1; 1.129 + while(end >= path && isspace(*end)) { 1.130 + *end-- = 0; 1.131 + } 1.132 + 1.133 + char *ptr = path - 1; 1.134 + while(*++ptr) { 1.135 + if(*ptr == '\\') { 1.136 + *ptr = '/'; 1.137 + } 1.138 + } 1.139 + return path; 1.140 +} 1.141 + 1.142 +static char *filename(char *path) 1.143 +{ 1.144 + char *ptr = strrchr(path, '/'); 1.145 + if(ptr) { 1.146 + return ptr + 1; 1.147 + } 1.148 + return path; 1.149 +}
2.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 2.2 +++ b/src/fs.h Sat Jan 31 20:01:35 2015 +0200 2.3 @@ -0,0 +1,65 @@ 2.4 +#ifndef FS_H_ 2.5 +#define FS_H_ 2.6 + 2.7 +#include <vector> 2.8 + 2.9 +class FSNode { 2.10 +protected: 2.11 + char *path, *name; 2.12 + FSNode *parent; 2.13 + 2.14 + std::vector<FSNode*> children; 2.15 + bool expanded; 2.16 + 2.17 + unsigned int uid, gid, mode; 2.18 + 2.19 +private: 2.20 + FSNode(const FSNode&); 2.21 + FSNode &operator =(const FSNode&); 2.22 + 2.23 +public: 2.24 + FSNode(); 2.25 + virtual ~FSNode(); 2.26 + 2.27 + void init(); 2.28 + void destroy(); 2.29 + void destroy_tree(); 2.30 + 2.31 + virtual void set_path(const char *path); 2.32 + virtual void set_name(const char *name); 2.33 + 2.34 + virtual const char *get_path() const; 2.35 + virtual const char *get_name() const; 2.36 + 2.37 + virtual void add_child(FSNode *node); 2.38 + 2.39 + virtual FSNode *get_parent(); 2.40 + virtual const FSNode *get_parent() const; 2.41 + 2.42 + virtual int get_child_count() const; 2.43 + virtual FSNode *get_child(int n); 2.44 + virtual const FSNode *get_child(int n) const; 2.45 + 2.46 + virtual void expand(); 2.47 + virtual bool is_expanded() const; 2.48 +}; 2.49 + 2.50 +class FSDir : public FSNode { 2.51 +public: 2.52 + FSDir(); 2.53 + 2.54 + virtual void expand(); 2.55 +}; 2.56 + 2.57 +class FSFile : public FSNode { 2.58 +protected: 2.59 + unsigned long size; 2.60 + 2.61 +public: 2.62 + FSFile(); 2.63 + 2.64 + void set_size(unsigned long s); 2.65 + unsigned long get_size() const; 2.66 +}; 2.67 + 2.68 +#endif // FS_H_