How to use getIndex method of parser Package

1package webqq2import (3	"encoding/json"4	"fmt"5	"net/url"6	"strconv"7	. "webqq/tools"8	"webqq/tools/simplejson"9)10func init() {11	fmt.Print("")12}13type Friend struct {14	Uin        string15	Categories int16	Nick       string17	Markname   string18	Face       int19	Online     int20	Id         string21}22type FriendMap map[string]*Friend23type CataMap map[int]string24type FriendList struct {25	FriendMap26	CataMap27}28func (qq *Client) GetFriendList() (flst *FriendList, err error) {29	defer func() {30		if e := recover(); e != nil {31			err = e.(error)32		}33	}()34	v := url.Values{}35	h, err := json.Marshal(36		map[string]string{37			`h`:       `hello`,38			`vfwebqq`: qq.vfwebqq,39			`hash`:    hash(qq.id, qq.ptwebqq)})40	v.Set(`r`, string(h))41	re, err := qq.postForm(`http://s.web2.qq.com/api/get_user_friends2`, v)42	if err != nil {43		panic(err)44	}45	defer re.Body.Close()46	flst, err = friendListParser(ReadByte(re.Body))47	if err != nil {48		panic(err)49	}50	for i := range flst.FriendMap {51		va, err := qq.GetId(i)52		if err != nil {53			panic(err)54		}55		flst.FriendMap[i].Id = va56	}57	return58}59func friendListParser(in []byte) (f *FriendList, err error) {60	js, err := simplejson.NewJson(in)61	if err != nil {62		return nil, err63	}64	f = &FriendList{}65	f.FriendMap = make(FriendMap)66	f.CataMap = make(CataMap)67	result := js.Get(`result`)68	for i, cat := 0, result.Get(`categories`); i < len(cat.MustArray()); i++ {69		f.CataMap[cat.GetIndex(i).Get(`index`).MustInt()] = cat.GetIndex(i).Get(`name`).MustString()70	}71	for i, frd := 0, result.Get(`friends`); i < len(frd.MustArray()); i++ {72		uin := fmt.Sprint(int64(frd.GetIndex(i).Get(`uin`).MustFloat64()))73		categories := frd.GetIndex(i).Get(`categories`).MustInt()74		f.FriendMap[uin] = &Friend{Uin: uin, Categories: categories}75	}76	for i, inf := 0, result.Get(`info`); i < len(inf.MustArray()); i++ {77		uin := fmt.Sprint(int64(inf.GetIndex(i).Get(`uin`).MustFloat64()))78		nick := inf.GetIndex(i).Get(`nick`).MustString()79		face := inf.GetIndex(i).Get(`face`).MustInt()80		flag := inf.GetIndex(i).Get(`flag`).MustInt()81		if ptr, ok := f.FriendMap[uin]; ok {82			ptr.Nick = nick83			ptr.Markname = nick84			ptr.Face = face85			ptr.Online = flag86		}87	}88	for i, mkn := 0, result.Get(`marknames`); i < len(mkn.MustArray()); i++ {89		markname := mkn.GetIndex(i).Get(`markname`).MustString()90		uin := fmt.Sprint(int64(mkn.GetIndex(i).Get(`uin`).MustFloat64()))91		if ptr, ok := f.FriendMap[uin]; ok {92			ptr.Markname = markname93		}94	}95	return96}97type b struct {98	s, e int99}100func nb(c, i int) b {101	return b{s: c | 0, e: i | 0}102}103func hash(is, a string) string {104	r := [4]int{}105	i, _ := strconv.Atoi(is)106	r[0] = i >> 24 & 255107	r[1] = i >> 16 & 255108	r[2] = i >> 8 & 255109	r[3] = i >> 0 & 255110	j := []int{}111	for e := 0; e < len(a); e++ {112		j = append(j, int(a[e]))113	}114	e := []b{}115	for e = append(e, nb(0, len(j)-1)); len(e) > 0; {116		var c = e[len(e)-1]117		e = e[:len(e)-1]118		if !(c.s >= c.e || c.s < 0 || c.e >= len(j)) {119			if c.s+1 == c.e {120				if j[c.s] > j[c.e] {121					j[c.s], j[c.e] = j[c.e], j[c.s]122				}123			} else {124				var f = j[c.s]125				var l = c.s126				var J = c.e127				for c.s < c.e {128					for c.s < c.e && j[c.e] >= f {129						c.e--130						r[0] = (r[0] + 3) & 255131					}132					if c.s < c.e {133						j[c.s] = j[c.e]134						c.s++135						r[1] = (r[1]*13 + 43) & 255136					}137					for c.s < c.e && j[c.s] <= f {138						c.s++139						r[2] = (r[2] - 3) & 255140					}141					if c.s < c.e {142						j[c.e] = j[c.s]143						c.e--144						r[3] = (r[0] ^ r[1] ^ r[2] ^ (r[3] + 1)) & 255145					}146				}147				j[c.s] = f148				e = append(e, nb(l, c.s-1))149				e = append(e, nb(c.s+1, J))150			}151		}152	}153	js := []string{"0", "1", "2", "3", "4", "5", "6", "7", "8", "9", "A", "B", "C", "D", "E", "F"}154	es := ""155	for c := 0; c < len(r); c++ {156		es += js[r[c]>>4&15]157		es += js[r[c]&15]158	}159	return es160}161/*162{163    "retcode": 0,164    "result": {165        "friends": [166            {167                "flag": 0,168                "uin": 1192173647,169                "categories": 0170            },171            {172                "flag": 4,173                "uin": 2549892970,174                "categories": 1175            },176            {177                "flag": 0,178                "uin": 4069820047,179                "categories": 0180            },181            {182                "flag": 0,183                "uin": 490067261,184                "categories": 0185            },186            {187                "flag": 0,188                "uin": 4185452572,189                "categories": 0190            },191            {192                "flag": 8,193                "uin": 223290852,194                "categories": 2195            },196            {197                "flag": 8,198                "uin": 1196002108,199                "categories": 2200            }201        ],202        "marknames": [203            {204                "uin": 223290852,205                "markname": "沈超",206                "type": 0207            },208            {209                "uin": 1196002108,210                "markname": "大头",211                "type": 0212            }213        ],214        "categories": [215            {216                "index": 1,217                "sort": 1,218                "name": "道友"219            },220            {221                "index": 2,222                "sort": 2,223                "name": "同学"224            }225        ],226        "vipinfo": [227            {228                "vip_level": 0,229                "u": 1192173647,230                "is_vip": 0231            },232            {233                "vip_level": 0,234                "u": 2549892970,235                "is_vip": 0236            },237            {238                "vip_level": 2,239                "u": 4069820047,240                "is_vip": 1241            },242            {243                "vip_level": 0,244                "u": 490067261,245                "is_vip": 0246            },247            {248                "vip_level": 0,249                "u": 4185452572,250                "is_vip": 0251            },252            {253                "vip_level": 0,254                "u": 223290852,255                "is_vip": 0256            },257            {258                "vip_level": 0,259                "u": 1196002108,260                "is_vip": 0261            }262        ],263        "info": [264            {265                "face": 600,266                "flag": 29884928,267                "nick": "42",268                "uin": 1192173647269            },270            {271                "face": 12,272                "flag": 0,273                "nick": "火里栽莲",274                "uin": 2549892970275            },276            {277                "face": 0,278                "flag": 13107718,279                "nick": "林选",280                "uin": 4069820047281            },282            {283                "face": 336,284                "flag": 13107712,285                "nick": "度竹轻衣",286                "uin": 490067261287            },288            {289                "face": 558,290                "flag": 524802,291                "nick": "Qrox",292                "uin": 4185452572293            },294            {295                "face": 339,296                "flag": 13140480,297                "nick": "弎弍弌廿卅卌",298                "uin": 223290852299            },300            {301                "face": 147,302                "flag": 8388608,303                "nick": "blue~beak",304                "uin": 1196002108305            }306        ]307    }308}*/...

1package resolve2import (3	"fmt"4	"parser"5	"maths_functions"6	"types"7	"strings"8	"strconv"9	"equations"10	"maps"11	"replace_vars"12)13type Unknown struct {14	Tab map[int]string15	Deg_max map[int]int16	Part1 map[int]string17	Part2 map[int]string18	Eqs map[int]equations.Equation19}20type Resol struct {21	Tab map[int]string22}23func IsSoluble(U Unknown) (bool) {24	for i := 0; i < len(U.Deg_max); i++ {25		if U.Deg_max[i] > 2 || U.Deg_max[i] < 0 {26			return (false)27		}28	}29	return (true)30}31func Init(U *Unknown, Dat types.Variable) (string) {32	res, t := getSignEq(U)33	if res == "1" {34		if t == 2 {35			ModMAps(U)36			RempEq(U.Tab, U, Dat)37			return ("|")38		}39		if t == 1 {40			return ("Sorry i Cant resolve this equation")41		}42		RempEq(U.Tab, U, Dat)43		return ("|")44	}45	return (res)46}47func ModMAps(U *Unknown) {48	A := Unknown{}49	tmp := make(map[int]string)50	tmp1 := make(map[int]string)51	tmp[0] = U.Part1[0]52	A.Part1 = tmp53	tmp1[0] = U.Part2[0]54	A.Part2 = tmp155	A.Tab = make(map[int]string)56	A.Tab[0] = U.Tab[0]57	A.Tab[1] = "0"58	A.Deg_max = make(map[int]int)59	A.Deg_max[0] = U.Deg_max[0]60	A.Deg_max[1] = 061	U = &A62}63func getSignEq(U *Unknown) (string, int) {64	if len(U.Part1) > 2 {65		66		sign := InitSign(U.Part1[1])67		if sign == "%" {68			return "Sorry i can't resolve this equation", 069		}70		for i := 3; i < len(U.Part1); i += 2 {71			fmt.Println(U.Part1[i])72			if strings.Index(sign, U.Part1[i]) == -1 {73				return "Sorry i can't resolve this equation", 074			}75		}76		if len(sign) == 1 && (len(U.Part2) > 2 || (U.Part2[0] != "0" && U.Part2[0] != "-0"))  {77			return "Sorry i can't resolve this equation", 078		}79		if sign == "*" {80			return "1", 181		}82		if sign == "/" {83			return "1", 284		}85	}86	for a := 0; a < len(U.Tab); a++ {87		if strings.Index(U.Tab[a], "(") != -1 || strings.Index(U.Tab[a], ")") != -1 || strings.Index(U.Tab[a], "[") != -1 || strings.Index(U.Tab[a], "]") != -1 || strings.Index(U.Tab[a], "i") != -1 {88			return "Sorry i can't resolve this equation", 089		}90	}91	return "1", 392}93func InitSign(str string) (string) {94	if str == "+" || str == "-" {95		return ("+-")96	}97	return (str)98}99func RempEq(tab map[int]string, U *Unknown, Dat types.Variable) {100	WE := 0101	pos_s := -3102	var sign string103	for i := 0; i < len(tab); i++ {104		tab[i] = strings.ReplaceAll(tab[i], " ", "")105		if (len(U.Part1) - 1) / 2 < i {106			WE = 1107			pos_s = -3108		}109		pos_s += 2110		if WE == 1 && i - 1 >= 0 {111			fmt.Printf("2\n")112			sign = U.Part2[pos_s]113		} else if WE == 0 && i - 1 >= 0 {114			fmt.Printf("1\n")115			sign = U.Part1[pos_s]116		}117		if strings.Index(tab[i], "|") != -1 {118			e := strings.Split(tab[i], "|")119			ck := 0120			GetAllSign(maps.Join(parser.Checkfunc(parser.GetAllIma(e[0], &ck), Dat), ""), e[1], U, WE, sign, Dat)121		} else {122			RPuis(tab[i], 0, WE, U, sign, Dat)123		}124	}125}126func GetAllSign(str string, x string, U *Unknown, WE int, signdeb string, Dat types.Variable) {127	var puis int128	var sign int129	if str[0] == '-' || str[0] == '+' {130		if str[0] == '-' {131			sign = 1132		}133		str = str[1:len(str)]134	}135	for i := GetIndex(str); i != -1; i = GetIndex(str) {136		if str[0] == '-' || str[0] == '+' {137			if str[0] == '-' {138				sign = 1139			}140			str = str[1:len(str)]141			i = GetIndex(str)142			if i == -1 {143				break144			}145		}146		puis = GetMaxDeg(str[0:i], x)147		if puis < 0 {148			puis = 0149		}150		if sign == 1 {151			RPuis(getNumber("-" + str[0:i], x), puis, WE, U, signdeb, Dat)152		} else {153			RPuis(getNumber(str[0:i], x), puis, WE, U, signdeb, Dat)154		}155		str = str[i:len(str)]156		sign = 0157	}158	puis = GetMaxDeg(str, x)159	if puis < 0 {160		puis = 0161	}162	RPuis(getNumber(str, x), puis, WE, U, signdeb, Dat)163}164func getNumber(str string, x string) (string) {165	if strings.Index(str, "ˆ") != -1 || strings.Index(str, "^") != -1  {166		index := strings.Index(str, x)167		str = str[0:index]168	}169	str = strings.ReplaceAll(str, "*", "")170	str = strings.ReplaceAll(str, x, "")171	if str == "" {172		return ("1")173	}174	return (str)175}176func GetIndex(str string) (int) {177	max := -1178	a := strings.Index(str, "/")179	if a != -1 && (max == -1 || a < max) {180		max = a181	}182	a = strings.Index(str, "%")183	if a != -1 && (max == -1 || a < max) {184		max = a185	}186	a = strings.Index(str, "-")187	if a != -1 && (max == -1 || a < max) {188		max = a189	}190	a = strings.Index(str, "+")191	if a != -1 && (max == -1 || a < max) {192		max = a193	}194	return (max)195}196func RPuis(nb string, puis int, wEqs int, U *Unknown, sign string, Dat types.Variable) {197	var Eq equations.Equation198	if len(U.Eqs) == 0 {199		U.Eqs = make(map[int]equations.Equation)200	}201	if val, ok := U.Eqs[wEqs]; ok {202		Eq = val203	} else {204		Eq = equations.Equation{}205	}206	207	nb = replace_vars.GetVars(&Dat, nb)208	t1, _ := strconv.ParseFloat(nb, 64)209	210	if sign == "-" {211		if puis == 0 {212			Eq.C -= t1213		} else if puis == 1 {214			Eq.B -= t1215		} else if puis == 2 {216			Eq.A -= t1217		}218	} else if sign == "+" || sign == "" {219		if puis == 0 {220			Eq.C += t1221		} else if puis == 1 {222			Eq.B += t1223		} else if puis == 2 {224			Eq.A += t1225		}226	}227	U.Eqs[wEqs] = Eq228}229func IsEquation(U *Unknown, Dat types.Variable, t int) (bool) {230	231	var tab map[int]string232	if t == 0 {233		tab = U.Part1234	} else {235		tab = U.Part2236	}237	if len(U.Tab) == 0 {238		U.Tab = make(map[int]string)239		U.Deg_max = make(map[int]int)240	}241	f := 0242	for i := 0; i < len(tab); i += 2 {243		if parser.IsFunc(tab[i], 0) == 1 {244			x := maths_functions.Getx(tab[i])245			p1 := strings.Index(tab[i], "(")246			p2 := strings.Index(tab[i], ")")247			r := tab[i][p1 + 1:p2]248			if parser.IsExpression(x, r, Dat) {249				return (false)250			}251			_, val := parser.GetDataFunc(tab[i], Dat.Table)252			if val == "" {253				return (false)254			}255			U.Tab[len(U.Tab)] = val + "|" + x256			U.Deg_max[len(U.Deg_max)] = GetMaxDeg(val, x)257			f++258		} else {259			U.Tab[len(U.Tab)] = tab[i]260			U.Deg_max[len(U.Deg_max)] = 0261			f++262		}263	}264	if f == 0 {265		return (false)266	}267	return (true)268}269func GetMaxDeg(str string, x string) (int) {270	var z, i int271	str = strings.ReplaceAll(str, " ", "")272	a := strings.Index(str, x)273	if a == -1 {274		return (-3)275	}276	max := 1277	str = strings.ReplaceAll(str, "ˆ", "^")278	for a = a; a != -1; a = strings.Index(str, x) {279		if a + 1 >= len(str) {280			return (max)281		}282		if str[a + 1] == '*' {283			z, i = GetDeg('*', str, a + 1, x)284			if z > max {285				max = z286			}287		} else if string(str[a + 1]) == "^" {288			z, _ = strconv.Atoi(string(str[a + 2]))289			i = a + 3290			if z > max {291				max = z292			}293		}294		if i + 1 >= len(str) {295			return (max)296		}297		str = str[i + 1:len(str)]298	}299	return (max)300}301func GetDeg(sign byte, str string, deb int, x string) (int, int) {302	puis := 1303	i := deb304	for i = i; i < len(str) && str[i] == sign; i += 2 {305		if string(str[i + 1]) == x {306			puis++307		}308	}309	return puis, i310}...

1package nsmanager2import(3    "download/nsdownload"4    "parser/nsparser"5    ns "entity/nsentity"6    "manager"7    "util"8    "fmt"9    "strings"10    "time"11)12const(13    //NSStart = "198301"14    NSStart = "201401"15    NSEnd = "-1"16    NSDateFormat = "2006-01"17    NSInputDateFormat = "200601"18)19type NationStatManager struct {20    manager.ManagerBase21    downloader *nsdownload.NationStatDownloader22    parser *nsparser.NSParser23    idxmap map[string] []ns.NSDataIndex24    nsstart string //"yyyyMM" or "-1" as to present25    nsend string26}27func (m *NationStatManager) Init() {28    m.ManagerBase.Init()29    m.downloader = nsdownload.NewNationStatDownloader()30    m.parser = nsparser.NewNSParser()31    m.idxmap = make(map[string] []ns.NSDataIndex)32}33func (m *NationStatManager) Process() {34    datastr := m.downloader.GetRoot()35    if len(datastr) == 0 {36        m.Logger.Error("Cannot get the children of root")37    }38    m.WriteIndexData("root", 0, datastr)39    rootData := m.parser.ParseIndex(datastr)40    m.OutputIndex(rootData)41    for _, root := range rootData {42        if root.IsParent {43            m.GetIndex(root, 1)44        }45    }46    m.WriteIndex()47}48func (m *NationStatManager) GetIndex(idxdata ns.NSIndex, level int) {49    datastr := m.downloader.GetChild(idxdata.Id, level)50    if len(datastr) == 0 {51        m.Logger.Error("Cannot get the children of:", idxdata.Id, " in level: ", level)52    }53    m.WriteIndexData(idxdata.Id, level, datastr)54    idxchild := m.parser.ParseIndex(datastr)55    dataid := make([]string, 0)56    for _, idx := range idxchild {57        if idx.IfData == "1" {58            dataid = append(dataid, idx.Id)59        } else if idx.IsParent || idx.IfData == "4" {60            m.GetIndex(idx, level + 1)61        } else {62            //do nothing63        }64    }65    66    if len(dataid) > 0 {67        m.GetData(idxdata.Id, dataid, m.nsstart, m.nsend)68    }69}70func (m *NationStatManager) GetData(pid string, ids []string, start string, end string) {71    datastr := m.downloader.GetData(ids, start, end)72    if len(datastr) == 0 {73        m.Logger.Error("Cannot get data of: ", ids, start, end)74    }75    m.WriteData(ids, start, end, datastr)76    nsvalue := m.parser.ParseData(datastr)77    m.WriteValue(ids, start, end, nsvalue.TableData)78    m.AddIndex(pid, nsvalue.Value.Index)79}80func (m *NationStatManager) AddIndex(pid string, indexes []ns.NSDataIndex) {81    values, ok := m.idxmap[pid]82    if !ok {83        m.idxmap[pid] = indexes84    } else {85        values = append(values, indexes ...)86        m.idxmap[pid] = values87    }88}89func (m *NationStatManager) WriteIndexData(id string, level int, content string) {90    format := "%sdata/ns/index-%v-%v.dat"91    filename := fmt.Sprintf(format, m.BaseDir, level, id)92    fmt.Println(filename)93    util.WriteFile(filename, content)94}95func (m *NationStatManager) WriteData(ids []string, start, end, content string) {96    idstr := strings.Join(ids, "-")97    format := "%sdata/ns/data-%v-%v-%v.dat"98    filename := fmt.Sprintf(format, m.BaseDir, ids[0], start, end)99    content += idstr + "\n" + content100    util.WriteFile(filename, content)101}102func (m *NationStatManager) WriteValue(ids []string, start string, end string, data map[string]string) {103    idstr := strings.Join(ids, "-")104    format := "%sdata/ns/actualdata-%v-%v-%v.dat"105    filename := fmt.Sprintf(format, m.BaseDir, ids[0], start, end)106    content := idstr + "\n"107    for k, v := range data{108        content += k + ": " + v + "\n"109    }110    util.WriteFile(filename, content)111}112func (m *NationStatManager) WriteIndex() {113    format := "%sdata/ns/macroindex.dat"114    filename := fmt.Sprintf(format, m.BaseDir)115    var content string116    for k, vs := range m.idxmap {117        content += fmt.Sprintf("=============Parent: %v\n", k)118        for _, v := range vs {119            content += fmt.Sprintf("%v: %v\n", v.Id, v.Name)120        }121    }122    util.WriteFile(filename, content)123}124func (m *NationStatManager) OutputIndex(idxdata []ns.NSIndex){125    var str string126    for _, v := range idxdata {127        str += fmt.Sprintf("Id: %v, Name: %v, PId: %v, EName: %v, IfData: %v, IsParent: %v\n", v.Id, v.Name, v.PId, v.EName, v.IfData, v.IsParent)128        //fmt.Println(str)129        130    }131    m.Logger.Info(str)132}133func NewNationStatManager(start, end string) *NationStatManager{134    m := new(NationStatManager)135    m.Init()136    137    t, err := time.Parse(NSDateFormat, start)138    if err != nil {139        m.nsstart = "-1"140    } else {141        m.nsstart = t.Format(NSInputDateFormat)142    }143    t, err = time.Parse(NSDateFormat, end)144    if err != nil {145        m.nsend = "-1"146    } else {147        m.nsend = t.Format(NSInputDateFormat)148    }149    fmt.Println("start: ", m.nsstart, " end: ", m.nsend)150    return m151}...

1import (2func main() {3	fmt.Println(parser.getIndex())4}5func getIndex() int {6}7        /usr/local/go/src/parser (from $GOROOT)8        /home/username/go/src/parser (from $GOPATH)

1import (2func main() {3    parser := parser.Parser{Data: "mydata"}4    fmt.Println(parser.GetIndex())5}6import (7func main() {8    parser := parser.Parser{Data: "mydata"}9    fmt.Println(parser.GetIndex())10}